S1F78100Y2A Epson Electronics America, Inc., S1F78100Y2A Datasheet
S1F78100Y2A
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S1F78100Y2A Summary of contents
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MF302 - 11 IEEE1394 Controller POWER SUPPLY IC S1R77801F00A S1F70000 Series Technical Manual Technical Manual ...
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NOTICE No part of this material may be reproduced or duplicated in any from or by any means without the written permission of Seiko Epson. Seiko Epson reserves the right to make changes to this material without notics. Seiko Epson ...
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The information of the product number change Starting April 1, 2001 the product number has been changed as listed below. To order, please use the new product number. For further information, please contact Epson sales representative. Configuration of product number ...
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S1F70000 Series Technical Manual ...
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Introduction .......................................................................................................................................................................... 1 Selection Guide .................................................................................................................................................................... 2 1. DC/DC Converter S1F76600 Series DESCRIPTION .......................................................................................................................................................... 1–1 FEATURES ............................................................................................................................................................... 1–1 APPLICATIONS ........................................................................................................................................................ 1–1 BLOCK DIAGRAM .................................................................................................................................................... 1–1 PIN ASSIGNMENTS ................................................................................................................................................. 1–1 PIN DESCRIPTIONS ................................................................................................................................................ 1–1 SPECIFICATIONS .................................................................................................................................................... 1–2 FUNCTIONAL DESCRIPTIONS ............................................................................................................................... 1–7 ...
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Contents S1F76540 Series DESCRIPTION ........................................................................................................................................................ 2–15 FEATURES ............................................................................................................................................................. 2–15 APPLICATIONS ...................................................................................................................................................... 2–15 BLOCK DIAGRAM .................................................................................................................................................. 2–16 PIN DESCRIPTIONS .............................................................................................................................................. 2–16 ELECTRICAL CHARACTERISTICS ....................................................................................................................... 2–19 FUNCTIONAL DESCRIPTIONS ............................................................................................................................. 2–22 CHARACTERISTICS GRAPH ................................................................................................................................ 2–29 APPLICATION CIRCUIT EXAMPLES .................................................................................................................... 2–30 S1F76640 Series DESCRIPTION ...
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CHARACTERISTICS GRAPH ................................................................................................................................ 3–15 S1F79100Y Series DESCRIPTION ........................................................................................................................................................ 3–21 FEATURES ............................................................................................................................................................. 3–21 APPLICATIONS ...................................................................................................................................................... 3–21 LINEUP ................................................................................................................................................................... 3–21 BLOCK DIAGRAM .................................................................................................................................................. 3–21 PIN ASSIGNMENTS ............................................................................................................................................... 3–21 PIN DESCRIPTIONS .............................................................................................................................................. 3–22 SPECIFICATIONS .................................................................................................................................................. 3–22 PACKAGE MARKINGS ........................................................................................................................................... 3–35 FUNCTIONAL DESCRIPTIONS ............................................................................................................................. ...
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Contents PACKAGE MARKINGS ................................................................................................................................. 4–26 FUNCTIONAL DESCRIPTIONS .................................................................................................................... 4–27 TYPICAL APPLICATIONS ............................................................................................................................ 4–28 S1F71100 Series DESCRIPTION ........................................................................................................................................................ 4–34 FEATURES ............................................................................................................................................................. 4–34 BLOCK DIAGRAM .................................................................................................................................................. 4–34 PIN ASSIGNMENTS ............................................................................................................................................... 4–35 PIN DESCRIPTIONS .............................................................................................................................................. 4–35 FUNCTIONAL DESCRIPTIONS ............................................................................................................................. 4–36 ABSOLUTE MAXIMUM RATINGS ...
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Voltage Detector S1F77200Y Series DESCRIPTION .......................................................................................................................................................... 6–1 FEATURES ............................................................................................................................................................... 6–1 LINEUP ..................................................................................................................................................................... 6–2 BLOCK DIAGRAM .................................................................................................................................................... 6–3 PIN DESCRIPTIONS ................................................................................................................................................ 6–4 FUNCTIONAL DESCRIPTIONS ............................................................................................................................... 6–4 ABSOLUTE MAXIMUM RATINGS ............................................................................................................................ 6–5 ELECTRIC CHARACTERISTICS ............................................................................................................................. 6–6 EXAMPLES OF EXTERNAL CONNECTION .......................................................................................................... ...
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Contents EMBOSS CARRIER TAPING STANDARD (SOP2-24pin) TAPING INFORMATION ......................................................................................................................................... 7–14 REEL SPECIFICATIONS ........................................................................................................................................ 7–16 DEVICE POSITIONING .......................................................................................................................................... 7–16 vi EPSON S1F70000 Series Technical Manual ...
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Introduction This book describes SEIKO EPSON's full lineup of power supply ICs and includes a complete set of product specifications. Also included are sections on quality assurance and packaging. We suggest that you use the selector guide beginning on the ...
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... Power conversion efficiency: Typ. 95% • Three temperature gradients for LCD panel power. Voltage regulator Product • 6.00V positive output voltage regulator. S1F78100Y2A0 • Low operating current (Typ. 3.0 A). • Input voltage stability (Typ. 0.1%/V). • 5.00V positive output voltage regulator. S1F78100Y2B0 • Low operating current (Typ. 3.0 A). ...
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Selection Guide Product • 3.00V positive output voltage regulator. S1F78100Y2D0 • Low operating current (Typ. 3.0 A). • Input voltage stability (Typ. 0.1%/V). • 2.80V positive output voltage regulator. S1F78100Y2R0 • Low operating current (Typ. 3.0 A). • Input voltage ...
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Selection Guide Product • Step-up switching regulator (from 1.5V to 2.4V). • Low operating voltage (Min. 0.9V). • Low operating current (Typ. 7 A). S1F76310M1L0 • High precision voltage detection function and battery backup function. • Built-in CR oscillator circuit. ...
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Product • Voltage detection (Typ. 4.60V). S1F77210Y120 • Output format: COMS. • Low operating power (Typ. 2 • Voltage detection (Typ. 4.40V). S1F77210Y1J0 • Output format: COMS. • Low operating power (Typ. 2 • Voltage detection ...
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Selection Guide Product • Voltage detection (Typ. 1.15V). S1F77200Y1B0 • Output format: N-ch open drain. • Low operating power (Typ. 1 • Voltage detection (Typ. 1.10V). S1F77200Y1Y0 • Output format: N-ch open drain. • Low operating power (Typ. ...
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DC/DC Converter ...
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S1F76600 Series CMOS DC/DC Converter (Voltage Doubler) DESCRIPTION The S1F76600 Series is a highly efficient CMOS DC/ DC converter for doubling an input voltage (from –1.5V to –8V). This power-saving IC allows portable computers and similar hand-held equipment to operate ...
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S1F76600 Series SPECIFICATIONS Absolute Maximum Ratings Parameter Input voltage range Output voltage range Power dissipation Operating temperature range Storage temperature range Soldering temperature(for 10s). See note. Note: Temperatures during reflow soldering must remain within the limits set out in LSI ...
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R min is a function Electrical Characteristics –40 to +85˚C unless otherwise noted DD Parameter Symbol Input voltage V Output voltage V Multiplier current I OPR Quiescent current I Q Clock ...
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S1F76600 Series Typical Performance Characteristics 1000 V = – –3V I 100 V = – 100 OSC (1) Clock frequency vs. External resistance 40kHz 45 OSC 40 ...
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–3.0V I –5 – [mA] O (5) Output voltage vs. Output current 300 7mA O 200 100 0 –7 –6 –5 –4 –3 ...
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S1F76600 Series 100 I = 2mA 5mA 10mA 30mA 20mA [kHz] OSC (9) Multiplication ...
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–2. [mA] O (13) Multiplication efficiency/input current vs. Output current FUNCTIONAL DESCRIPTIONS CR ...
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S1F76600 Series TYPICAL APPLICATIONS Parallel Connection Connecting two or more chips in parallel reduces the output impedance by 1/n, where n is the number of de- vices used – ...
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Positive Voltage Conversion Diodes can be added to a circuit connected in parallel to make a negative voltage positive – Simultaneous Voltage Conversion Combining ...
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S1F76620 Series S1F76620 Series CMOS DC/DC Converter (Voltage Doubler) DESCRIPTION S1F76620 is a high efficiency and low power consump- tion CMOS DC/DC converter. It enables to obtain 2 times step-up output (3.0 to 16V) from input voltage (1.5 to 8V). ...
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PIN DESCRIPTIONS Pin Assignments OSC1 OSC2 Pin descriptions Pin No. Pin name 1 P Input pin for power off control. OFF 2 GND (V ) Power pin. (Minus side, System GND) SS Oscillation resistor connection pin. Works as the clock ...
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S1F76620 Series Pad Center Coordinates (S1F76620D0A0) Pad center Pad No. Pad name coordinates 1 (NC) 2 (NC OFF 4 (NC) 5 (NC) 6 (NC) 7 GND ( OSC1 9 OSC2 CAP1– ...
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FUNCTIONAL DESCRIPTIONS CR Oscillator S1F76620 has a built-in CR oscillator as the internal os- cillator, and an external oscillation resistor R nected between the pins OSC1 and OSC2 before opera- tion. OSC1 (Note 1) R OSC2 Note 1 Since the ...
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S1F76620 Series ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings Parameter Symbol Input supply voltage Input pin voltage Output voltage Output supply voltage V Output pin voltage V Allowable loss Operating temperature Topr Storage temperature Tstg Note 1 Under the conditions exceeding the ...
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Recommended Operating Conditions Parameter Symbol V STA1 Step-up start operation V STA2 Step-up stop voltage V STP Output load resistance R L Output load current I O Oscillation frequency f OSC External resistor for R OSC oscillation Step-up capacitor C ...
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S1F76620 Series Electrical Characteristics Symbol Parameter Input supply voltage V Output voltage Step-up circuit current I OPR consumption Static current Oscillation frequency f OSC Output impedance Step-up power conver- P sion efficiency Input leak current I Note 1 All voltage ...
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Characteristics Graph 1000 Ta= =5V DD 100 100 1000 OSC (1) Oscillation frequency vs. External resistance for oscillation 100 Ta= =10 F ...
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S1F76620 Series Ta [mA] O (5) Output voltage (V ) vs. Output current 2 O 300 250 200 150 ...
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Ta [mA] O (9) Step-up power conversion efficiency vs. Output current 1 Input current vs. ...
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S1F76620 Series 100 90 I =1mA =10mA =2mA O Ta= 100 focs[kHz] (13) Step-up power conversion efficiency vs. Oscillation frequency 2 1.7 1.6 1.5 Ta=25 ...
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EXAMPLE OF REFERENCE EXTERNAL CONNECTION 2 Times Step-up 2 times step-up output Figure 1 2 Time Step-up Operation Parallel Connection It is possible to make the output impedance (R connected. Parallel connection ...
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S1F76620 Series Series Connection When S1F76620 is connected in series (V stage respectively), the output voltage can be increased more. But the series connection makes the output impedance high. Figure 3 shows an example of the series connection to get ...
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Negative Voltage Conversion S1F76620 can boost input voltage to twice on the positive potential side by using the circuit shown in Figure 6. But the output voltage drops by the forward voltage V shown in Figure 6 for example, V ...
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S1F76620 Series MEASUREMENT CIRCUIT V I OPR 1– OFF GND CAP1 OSC1 CAP1– R OSC 4 5 OSC2 V DD EPSON ...
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MECHANICAL DATA S1F76620M0A0 SOP4-8pin D 8 INDEX 1 e Dimension in Milimeters Symbol Min. E 4.8 D — 0. 4.8 2 ...
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DC/DC Converter & Voltage Regulator ...
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S1F76610 Series CMOS DC/DC Converter (Voltage Doubler / Tripler) & Voltage Regulator DESCRIPTION The S1F76610 Series is a highly effecient CMOS DC/ DC converter for doubling or tripling an input voltage. It incorporates an on-chip voltage regulator to ensure stable ...
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S1F76610 Series PIN ASSIGNMENTS CAP+ 1 CAP– 2 CAP2+ 3 CAP2– 4 TC1 5 TC2 S1F76610C0B0/M0B0 PIN DESCRIPTIONS S1F76610C0B0/M0B0 Pin name Pin No. CAP1+ 1 CAP1– 2 CAP2 CAP2– TC1 5 TC2 6 V ...
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SPECIFICATIONS Absolute Maximum Ratings Parameter Codes Input supply voltage V – Input terminal voltage V – Output voltage V – Allowable dissipation P D Working temperature Topr Storage temperature Tstg Soldering ...
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S1F76610 Series function of V Lmin 1 Electrical Characteristics –5V –40 to +85 C unless otherwise noted DD 1 Parameter Input voltage Output voltage Regulator voltage Stabilization circuit operating ...
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Symbol Parameter Output impedance Multiplication efficiency Stabilization output voltage differential Stabilization output load differential Stabilization output saturation resistance Reference voltage Temperature gradient P , TC1, TC2, OSC1, and RV OFF input leakage current Note |V (50 C)| – ...
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S1F76610 Series Typical Performance Characteristics 1000 V = – –3V I 100 V = – 100 OSC (1) Clock frequency vs. External resistance 150 f = 40kHz OSC 100 f ...
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–3. multiplier –5 3 multiplier –10 – [mA] O (5) Output voltage vs. Output current 100 –5.0V I ...
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S1F76610 Series 100 multiplier V = –2.0V Peff multiplier multiplier ...
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I = 0.5mA 1.0mA 2.0mA 4.0mA 100 f [kHz] OSC (13) Multiplication efficiency vs. Clock frequency –5.850 V = – ...
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S1F76610 Series 0. 0.25 0.20 0.15 0.10 0.05 0. [mA] O (17) Regulator voltage vs. Output current Temperature Gradient Control The S1F7661C0B0 offers a choice of three temperature gradients which can be ...
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FUNCTIONAL DESCRIPTIONS CR Oscillator The on-chip CR oscillator network frequency is deter- mined by the external resistor, R OSC tween OSC1 and OSC2. This oscillator can be disabled in favor of an external clock by leaving OSC2 open and applying ...
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S1F76610 Series TYPICAL APPLICATIONS Voltage Tripler with Regulator The following figure shows the circuit required to triple the input voltage, regulate the result and add a tempera- ture gradient of –0.4%/ C. Note that the high input im- pedance of ...
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Serial Connection Connecting two or more chips in series obtains a higher output voltage than can be obtained using a parallel <Precautions when connecting loads> In case of series connections, when connecting loads between the first stage V (or other ...
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S1F76610 Series Simultaneous Voltage Conversion Combining a standard voltage tripler circuit with one for positive voltage conversion generates both –15 and 8.2V outputs from a single input, however, it also raises the output impedance. A voltage doubler generates –10 and ...
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S1F76540 Series Charge Pumping DC/DC Converter & Voltage Regulator DESCRIPTION The S1F76540C0A0/M0A0 is a CMOS process, charge-pumping DC/DC converter and voltage regula- tor featuring the very high efficiency but low power consumption. An addition of four, three, or two exter- ...
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S1F76540 Series BLOCK DIAGRAM OFF1 Power-off control circuit P OFF2 Clock FC generator circuit V I C1P PIN DESCRIPTIONS Figure 2.2 S1F76540M0A0/C0A0 pin assignments 2–16 Booster control circuit Voltage converter circuit C1N C3N C2P C2N Figure 2.1 ...
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Table 2.1 Pin descriptions Pin name Pin No. Pad No REG 22 TC1 7 3 TC2 8 4 ...
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S1F76540 Series Table 2.2 Absolute maximum ratings Parameter Input power voltage Input pin voltage Output pin voltage 1 Output pin voltage 2 Output pin voltage 3 Output pin voltage 4 Regulator input power voltage Regulator input pin voltage Output voltage ...
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Figure 2.3 Potential relationship System GND (0 V) ELECTRICAL CHARACTERISTICS Table 2.3 DC characteristics (1) Parameter Symbol Input power voltage V Boost start input power V STA voltage Boost output voltage V O Regulator ...
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S1F76540 Series Table 2.3 DC characteristics (2) Parameter Boost output impedance Boost power conversion efficiency Booster operation current consumption 1 Booster operation current consumption 2 Regulator operation current consumption Static current Input leakage current Regulated output saturation resistance Regulated output ...
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Table 2.3 DC characteristics (3) Parameter Symbol Regulated output load V O variation V REF0 V REF1 Reference voltage ( REF2 V REF3 C T0 Reference voltage C T1 temperature coefficient C T2 (*4, *5) C ...
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S1F76540 Series Table 2.4 AC characteristics Parameter Internal clock frequency 1 Internal clock frequency 2 FUNCTIONAL DESCRIPTIONS Clock Generator Circuit As the S1F76540 has a built-in clock generator circuit, no more parts are required for voltage boost control. The clock ...
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Capacitance vs. output impedance characteristic when 4X pressure is applied Load current = 10 mA Capacitor used: Tantalum electrolytic capacitor 550 500 450 400 350 300 250 200 150 1 V ...
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S1F76540 Series Voltage Converter The voltage converter, consisting of a boost control cir- cuit and a voltage converter circuit, receives clocks from the clock generator circuit and boosts the input power voltage (V ) four, three or two times. During ...
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Reference Voltage Circuit The S1F76540 has a built-in reference voltage circuit for voltage regulation. The regulated voltage (ex- plained in the next “voltage regulator circuit” section) is set depending on the division ratio between this refer- Table 2.6 Setup of ...
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S1F76540 Series Figure 2.5 V Setup: • Relationship between V REG REG R1 • Current consumption of division resistors | V | REG I = REG Setup example: • To output V ...
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Changing the temperature coefficient: • The temperature coefficient of the regulated voltage depends on the temperature coefficient of the reference voltage (if the division ratio of setup resistors does not depend on the temperature necessary to change the ...
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S1F76540 Series Power-off Control Function The S1F76540 has the power-off function and turns on or off each circuit function when control signals are en- tered in the P and P pins from an external sys- OFF1 OFF2 tem (such as ...
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CHARACTERISTICS GRAPH 200 180 160 140 120 100 Input voltage [V] Input voltage (V ) vs. Booster circuit current consumption ( ( –3 V, Four-times Booster I –12.00 ...
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S1F76540 Series APPLICATION CIRCUIT EXAMPLES Four-time Booster and Regulator Figure 2.8 gives a wiring example of four-time booster and regulator that is the typical S1F76540 application. This example boosts the input voltage (V V REG Figure ...
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Booster Only the booster circuit operates, and it boosts the input voltage (V ) four times in negative direction and outputs the V pin. As the regulator is not used, the voltage ...
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S1F76540 Series • where Load current ( Clock frequency (Hz Serial equivalent resistance ( ) of output capacitor C COUT Application in other setup ...
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Setup conditions of Figure 2.11 First stage • Internal clock : ON (Low Output mode) • Booster circuit : ON • Regulator : OFF Power-off procedure • In Figure 2.11, when the P pin of the first-stage S1F76540 is set ...
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S1F76540 Series Setup conditions of Figure 2.12 • Internal clock : ON (Low Output mode) • Booster circuit : ON • Regulator : ON ( Figure 2.13 Potential relationship during 6-time boosting using ...
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Positive Voltage Conversion The S1F76540 can also boost up a voltage to the posi- tive potential using external diodes. In such case, how- ever, the regulator function is unavailable. Figure 2. Figure 2.14 Wiring ...
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S1F76540 Series Output voltages • When diodes are used for voltage boosting, the characteristics of diodes directly affect on the voltage boosting characteristics. The forward voltage drop (V of Figure 2.14 uses three diodes, the drop of “V voltage is ...
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Setup conditions of Figure 2.16 • Internal clock : ON (Low Output mode) • Booster circuit : ON • Regulator : ON • Thermistor resistor : RT Power-off procedure • Set the P pin to low ( turn ...
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S1F76640 Series S1F76640 Series CMOS DC/DC Converter & Voltage Regulator DESCRIPTION S1F76640 is a high efficiency and low power con- sumption CMOS DC/DC converter roughly di- vided into two portions, step-up circuit and stabilization circuit. The step-up circuit ...
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BLOCK DIAGRAM CAP3+ CAP2– CAP2+ CAP1– CAP1 OSC1 CR oscillator OSC2 GND Step-up circuit S1F70000 Series Technical Manual Stabilization circuit Figure 3-1 Block Diagram EPSON S1F76640 Series V O VRI V REG RV P OFF TC1 TC2 2–39 ...
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S1F76640 Series PIN ASSIGNMENTS SSOP2-16pin V REG TC1 TC2 P (GND)V OSC1 OSC2 Figure 4-2 Pin Assignments of SSOP2-16pin 2– OFF EPSON CAP3+ 14 ...
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PIN DESCRIPTIONS Pin No. Pin name 1 RV Stabilization voltage regulation pin. When the intermediate tap of the external volume (3-pin resistor) connected between the V RV pin, V REG 2 V Stabilized voltage output pin REG 3 TC1 Temperature ...
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S1F76640 Series CHIP EXTERNAL SHAPE AND PAD CENTER COORDINATES Chip External Shape Y + (0,0) 2.30mm Figure 4-4 Pad Assignments (x) (y) Chip size : 2.30mm 2.60mm 0.30mm PAD aperture : 100 m 100 m DIE number : F76640D0A0 2–42 ...
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FUNCTIONAL DESCRIPTIONS CR Oscillator S1F76640 has a built-in CR oscillator as the internal oscillator, and an external oscillation resistor R connected between the pins OSC1 and OSC2 before operation. (Figure 5.1) (Note 1) R OSC OSC1 OSC2 Figure 5-1 CR ...
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S1F76640 Series CAP1+=2V =10V DD V =5V DD GND=0V Figure 5-3 Example of 2 times step-up potential relations Note the 3 times step-up time, 2 times step-up output (–10V) cannot be taken out from the CAP2– pin. ...
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Temperature Gradient Selection Circuit S1F76640 can provide three kinds of temperature gradients suitable for driving LCD to V Table 5-1. Table 5-1 Temperature Gradient Adaptation Table P TC2 TC1 OFF (Note 1) (Note 1) (Note 1) 1(V ) Low(V ) ...
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S1F76640 Series ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings Parameter Symbol Input supply voltage V DD Input pin voltage V I Output voltage V O Output pin voltage 1 VOC1 Output pin voltage 2 VOC2 Output pin voltage 3 VOC3 Output pin ...
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Recommended Operating Conditions Parameter Symbol Step-up start voltage V STA1 V STA2 Step-up stop voltage V STP Output load resistance Output load current I O Oscillation frequency f OSC External resistor R OSC for oscillation Step-up ...
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S1F76640 Series Electrical Characteristics Parameter Symbol Input supply voltage V Output voltage V V REG Stabilization circuit V operating voltage Step-up circuit current I OPR1 consumption (V system) DD Step-up circuit current I OPR2 consumption (VRI system) Static current I ...
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Note 1 : All voltage values are based on GND being 0V. Note 2 : The value shown here is the step-up circuit conversion efficiency, and (V stabilization circuit operates. So recommended to operate this so that (V ...
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S1F76640 Series Input leak current measurement circuit 2– EPSON Connection to each A measurement pin S1F70000 Series Technical Manual ...
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CHARACTERISTICS GRAPH 1000 Ta=25˚C V =5V DD 100 100 1000 (1) Oscillation frequency vs. External resistance for oscillation 200 Ta=25˚C f =40kHz OSC C1=C2=2.2 F C3=10 F 150 f =20kHz OSC ...
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S1F76640 Series 12 4 times step- Ta=25˚ = = (5) Output voltage (V ) vs. Output current 2 O 700 600 500 4 ...
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Peff times step-up Peff 3 times step-up Peff 60 4 times step- times step- times step- Ta=25˚C V =5V DD ...
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S1F76640 Series 100 =2mA =1mA =10mA (13) Step-up power conversion efficiency vs. Oscillation frequency 2 1.8 1.7 1.6 1.5 1.4 1.3 1.2 ...
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Ta=25˚C V =20V O 7.85 0.1 1.0 10.0 (17) Output voltage (V ) vs. Output current 1 REG 4.00 3.95 3.90 Ta=25˚C V =8V O 3.85 0.1 1.0 10.0 (19) Output voltage (V ) vs. Output current ...
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S1F76640 Series MECHANICAL DATA Plastic SSOP2-16pin 7Max. (0.275Max.) 6.6 0.2 +0.007 (0.260 –0.008 16 INDEX 1 0.8 (0.031) Note : This dimensional drawing is subject to change without notice for improvement. 2– 0.36 0.1 +0.004 (0.014 ) ...
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APPLICATION EXAMPLE 2 Times Step-up, 3 Times Step-up and 4 Times Step-up Figure 8.1 shows the connection for getting 4 times step-up output of an input voltage by operating the step-up circuit only. In case of 3 times step-up, the ...
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S1F76640 Series Parallel Connection It is possible to make the output impedance R connected. Parallel connection of n circuits reduces R tor C can be commonly used in the same way. To get stabilized outputs after parallel connection, include 1 ...
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Note 1 : Precautions on Load Connection When a load is connected between GND in the first stage (or potential below GND in the second stage other than that) and V REG When a normal output is not available at ...
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S1F76640 Series Negative Voltage Conversion S1F76640 can boost input voltage to negative power on the negative potential side by using the circuit shown in Figure 8.6. (In case of 3 times step-up, remove the capacitor case ...
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Example of Temperature Gradient Change by External Temperature Sensor (Ther- mistor) S1F76640 has a temperature gradient selection circuit inside the stabilization circuit, and three kinds of tempera- ture gradients, –0.20%/˚C, –0.40%/˚C and –0.60%/˚C, can be selected as the V gradients ...
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S1F76640 Series Configuration Example of Voltage Stabilized Output ( – 14 CAP3+ TC1 + 13 CAP2+ TC2 + – – 12 CAP2– CAP1+ – 10 CAP1– OSC1 9 V ...
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Configuration Example of High Magnification Step-up Circuit with Diode S1F76640 external diode is attached, can realize 5 times or more step-up operation and voltage stabilized output. Since the forward voltage drop V is recommended to use a diode ...
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Voltage Regulator ...
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S1F78100Y Series CMOS Positive Voltage Regulators DESCRIPTION SCI78100Y Series is a fixed type positive voltage regu- lator developed by using the CMOS silicon gate process and is composed of a low current consumption refer- ence voltage circuit, a differential amplifier, ...
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S1F78100Y Series PIN DESCRIPTIONS Pin No PIN ASSIGNMENTS 3–2 Pin name Description V Input voltage pin (minus side Input voltage pin (plus side Output voltage pin O SOT89-3pin EPSON S1F70000 ...
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FUNCTIONAL DESCRIPTIONS S1F78100Y Series is a fixed positive output type volt- age regulator of series regulator system and is fitted with an output control MOS transistor between the in- put and output pins as shown in the figure below. The ...
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... S1F78100Y Series LINEUP Note : Other output voltages than those listed in the above table are also applicable. 3–4 Output Voltage Product Min. Typ. S1F78100Y2A0 5.75 6.00 S1F78100Y2B0 4.90 5.00 S1F78100Y2M0 4.40 4.50 S1F78100Y2P0 3.90 4.00 S1F78100Y2K0 3.80 3.90 S1F78100Y2N0 3.43 3.50 S1F78100Y2T0 3.23 3.30 S1F78100Y2C0 3.13 3.20 S1F78100Y2D0 2.93 3.00 S1F78100Y2R0 2.73 2.80 S1F78100Y2L0 2.53 2.60 S1F78100Y2F0 2.15 2.20 S1F78100Y2G0 1.75 1.80 S1F78100Y2H0 1.45 1.50 EPSON Max. 6.25 5.10 4.60 4.10 4.00 3.57 3.37 3.27 3.07 2.87 2.67 2.25 1.85 1.55 S1F70000 Series Technical Manual ...
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ABSOLUTE MAXIMUM RATINGS Parameter Input voltage Output voltage Output current Allowable loss Operating temperature Storage ambient temperature Soldering temperature and time RECOMMENDED OPERATING CONDITIONS Parameter Input voltage Output current S1F70000 Series Technical Manual Symbol Rating V – ...
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... S1F78100Y Series ELECTRICAL CHARACTERISTICS S1F78100Y2A0 Parameter Input voltage Output voltage Current consumption Difference between input and output voltages Output voltage temperature characteristic Input stability Load stability Supply voltage rejection ratio S1F78100Y2B0 Parameter Input voltage Output voltage Current consumption Difference between input ...
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S1F78100Y2M0 Parameter Symbol Input voltage V I Output voltage V O Current consumption I OPR Difference between input V –V I and output voltages Output voltage V O temperature characteristic Input stability V · ...
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S1F78100Y Series S1F78100Y2K0 Parameter Input voltage Output voltage Current consumption Difference between input and output voltages Output voltage temperature characteristic Input stability Load stability Supply voltage rejection ratio S1F78100Y2N0 Parameter Input voltage Output voltage Current consumption Difference between input and ...
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S1F78100Y2T0 Parameter Symbol Input voltage V I Output voltage V O Current consumption I OPR Difference between input V –V I and output voltages Output voltage V O temperature characteristic Input stability V · ...
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S1F78100Y Series S1F78100Y2D0 Parameter Input voltage Output voltage Current consumption Difference between input and output voltages Output voltage temperature characteristic Input stability Load stability Supply voltage rejection ratio S1F78100Y2R0 Parameter Input voltage Output voltage Current consumption Difference between input and ...
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S1F78100Y2L0 Parameter Symbol Input voltage V I Output voltage V O Current consumption I OPR Difference between input V –V I and output voltages Output voltage V O temperature characteristic Input stability V · ...
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S1F78100Y Series S1F78100Y2G0 Parameter Input voltage Output voltage Current consumption Difference between input and output voltages Output voltage temperature characteristic Input stability Load stability Supply voltage rejection ratio S1F78100Y2H0 Parameter Input voltage Output voltage Current consumption Difference between input and ...
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Note : Circuit Diagram for Measuring Supply Voltage Rejection Ratio Characteristic f =50kHz S1F70000 Series Technical Manual V DD S1F78100Y Series = =10mA L L EPSON S1F78100Y Series ...
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S1F78100Y Series EXAMPLE OF REFERENCE EXTERNAL CONNECTION Input voltage MECHANICAL DATA S1F78100Y SOT89-3pin 4.5 0.1 1.8Max 1.5 0.48Max. 0.53Max. 3–14 S1F78100Y Series (2pin (1pin) 3 1.5 0.48Max. EPSON (3pin) V Output voltage ...
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CHARACTERISTICS GRAPH S1F78100Y2B0 I –Ta OPR 7.0 6.0 V =7V DD 5.0 4.0 3.0 2.0 1.0 0.0 –40 – [˚C] (V –V )– 2.0 1.8 V =4. –50mA O 1.4 ...
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S1F78100Y Series V –Ta O 5.5 V =7V DD 5.0 4.5 –40 – [˚C] V – = –50mA I –1mA –40 – [˚C] 3–16 6.0 ...
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S1F78100Y2G0 I –Ta OPR 7.0 6.0 V =3V DD 5.0 4.0 3.0 2.0 1.0 0.0 –40 – [˚C] (V –V )– 1.0 0.9 V =1.75V DD 0.8 0.7 0 –5mA O 0.5 ...
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S1F78100Y Series V O 2.0 V =3V DD 1.5 –40 – [˚C] V – = –10mA 10 –1mA –40 – [˚C] 3–18 –Ta 2.0 1.8 ...
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S1F78100Y2H0 I –Ta OPR 7.0 6.0 V =3V DD 5.0 4.0 3.0 2.0 1.0 0.0 –40 – [˚C] (V –V )– 1.2 V =1.45V DD 1.0 0.8 I =–3mV O 0.6 0 ...
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S1F78100Y Series V –Ta O 2.0 V =3V DD 1.5 1.0 –40 – [˚C] V – = 1mA I 30mA –40 – [˚C] 3–20 ...
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S1F79100Y Series CMOS Negative Voltage Regulators DESCRIPTION S1F79100Y series voltage regulators provide step- down and stabilization for an input voltage to a speci- fied fixed voltage. The four devices in the series incor- porate a precision, power-saving reference voltage gen- ...
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S1F79100Y Series PIN DESCRIPTIONS Pin No. Pin name SPECIFICATIONS Absolute Maximum Ratings Parameter Input voltage Output voltage Output current Power dissipation Operating temperature range Storage temperature range Soldering temperature (for 10 s). See note. Note Temperatures during ...
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S1F79100Y1G0 Parameter Symbol Input voltage Output voltage V Operating current I OPR Input/output voltage |V I differential Input voltage stabilization ratio V I Output voltage drift S1F79100Y1D0 Parameter Symbol Input voltage Output voltage V Operating current I OPR Input/output voltage ...
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S1F79100Y Series S1F79100Y1P0 Parameter Input voltage Output voltage Operating current Input/output voltage differential Input voltage stabilization ratio Output voltage drift S1F79100Y1B0 Parameter Input voltage Output voltage Operating current Input/output voltage differential Input voltage stabilization ratio Output voltage drift 3–24 (V ...
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Typical Performance Characteristics S1F79100Y1B0 7 6.0 5.0 4.0 3.0 2.0 1.0 0.0 –40 – [˚C] I vs. Ta OPR 1 4.9V I 1.0 0 50mA O 0.6 0.4 ...
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S1F79100Y Series –5 – 10mA O –5.0 –4.5 –40 – [˚ –7V I 1mA I 50mA –40 – ...
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S1F79100Y1P0 7 –7V I 6.0 5.0 4.0 3.0 2.0 1.0 0.0 –40 – [˚C] I vs. Ta OPR 1 –3.9V I 1.0 0.8 0 30mA O 0.4 0 ...
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S1F79100Y Series –4 – 10mA O –4.0 –3.5 –40 – [˚ –7V I 1mA I 30mA –40 – ...
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S1F79100Y1D0 7 –5V I 6.0 5.0 4.0 3.0 2.0 1.0 0.0 –40 – [˚C] I vs. Ta OPR 1 –2.93V I 1.0 0 30mA O 0.6 0 10mA ...
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S1F79100Y Series –3 – 10mA O –3.0 –2.5 –40 – [˚ –5V I 1mA I 30mA –40 – ...
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S1F79100Y1G0 7 –3V I 6.0 5.0 4.0 3.0 2.0 1.0 0.0 –40 – [˚C] I vs. Ta OPR 1 –1.75V I 1.0 0.8 0.6 0.4 0.2 0.0 –40 – ...
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S1F79100Y Series –2 – 1mA O –2.0 –1.5 –40 – [˚ –3V I 1mA I 10mA –40 – ...
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S1F79100Y1H0 7 –3V I 6.0 5.0 4.0 3.0 2.0 1.0 0.0 –40 – [˚C] I vs. Ta OPR 1 –1.45V I 1.0 0.8 0.6 0 5mA O 0 ...
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S1F79100Y Series –2 – 1mA O –1.5 –1.0 –40 – [˚ –3V I 1mA I 10mA –40 – ...
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PACKAGE MARKINGS The markings on S1F79100Y series device packages use the following abbreviations. Parameter Code Description B Output voltage code D P Voltage regulator code N Note The reflow furnace temperature profile requirements must be satisfied during package reflow. Avoid ...
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S1F79100Y Series Differential amplifier The built-in differential amplifier generates a potential at point X that adjusts the gate bias of the output transis- tor if there is any difference betweeen REF ...
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R helps reduce the affect quired when I is lower than the diode bias current. SS For certain input voltages, a Zener diode with the re- verse polarity can be used. High Input Voltages ...
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DC/DC Switching Regulators ...
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The S1F76300 series of CMOS switching regulators comprises nine series—the S1F76310, S1F76380 series S1F76310, S1F76380 Series Built-in CR Oscillator Type CMOS Switching Regulators DESCRIPTION The S1F76310, S1F76380 series of CMOS switching regulators provide input voltage step-up and regulation to a ...
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S1F76300 Series BLOCK DIAGRAMS S1F76310 Series V I1 Reference voltage generator S1F76380 Series RST PWCR 4–2 V PWCR I2 CR oscillator Control switch – + Reference voltage + Control generator switch – CR oscillator EPSON RST V ...
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PIN ASSIGNMENTS S1F76310 Series PWCR 1 RST 2 S1F76310 series GND PIN DESCRIPTIONS S1F76310 Series Pin No. Pin name 1 PWCR 2 RST 3 GND ...
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S1F76300 Series SPECIFICATIONS Absolute Maximum Ratings S1F76310 series Parameter Input voltage Output current Output voltage Power dissipation Operating temperature range Storage temperature range Soldering temperature (for 10 s). See note. Notes Temperatures during reflow soldering must remain within the limits ...
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Electrical Characteristics S1F76310M1L0 Parameter Input voltage Output voltage Detection voltage Detection voltage hysteresis ratio Operating current Standby current Switching transistor ON resistance Switching transistor leakage current Backup switch ON resistance Backup switching leakage current RST Low-level output current PS pull-up ...
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S1F76300 Series S1F76310M1K0 Parameter Input voltage Output voltage Detection voltage Detection voltage hysteresis ratio Operating current Standby current Switching transistor ON resistance Switching transistor leakage current Backup switch ON resistance Backup switching leakage current RST Low-level output current PS pullup ...
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S1F76380M1H0 Parameter Input voltage Output voltage Output voltage temperature gradient Detection voltage Detection voltage hysteresis ratio Operating current Standby current Switching transistor ON resistance Switching transistor leakage current RST Low-level output current PS pullup current Multiplication clock frequency S1F76380M1L0 Parameter ...
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S1F76300 Series Typical Performance Characteristics 2 ˚C 1.5 1.0 0.5 0 Fixed output voltage (V) Fixed-output voltage temperature characteristic 1.15 1.10 1.05 1.00 0.95 – Ambient temperature (˚C) Detection voltage vs. ...
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Ambient temperature (˚C) Output voltage vs. ambient temperature (S1F76380M1H0) S1F76310M1B0, S1F76310M1K0 ˚ 0.5 1.0 1.5 2.0 Input voltage (V) Clock frequency vs. input voltage ...
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S1F76300 Series Load Characteristics S1F76310M1A0 5 ˚ kHz CLK 5 4.0 3.5 3.0 2 Load current (mA) Notes Inductor: TDK ...
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S1F76380M1L0 4 kHz CLK 3.5 3.0 2 1.25 V 1.5 1 Load current (mA) Notes Inductor: TDK NLF453232-221k (220 H) Diode: ...
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S1F76300 Series Reset delays S1F76310M1A0 200 150 100 50 0 0.1 0.2 0 S1F76310M1B0 200 150 100 50 0 0.1 0.2 0 S1F76380M1H0 200 150 100 50 0 0.1 0.2 0 ...
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Timing diagram V I1 PWCR RST PACKAGE MARKINGS S1F76310, S1F76380 series device packages use the following markings Series number First subcode character Second subcode character Code number FUNCTIONAL DESCRIPTIONS Basic Voltage Booster Operation Tr1 switches ON ...
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S1F76300 Series Reference voltage generator and output voltage regulator The reference voltage generator regulates V ate a votlage for the voltage regulator and voltage detec- tion circuits. The voltage regulator regulates the boosted output votlage. This is determined by the ...
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V circuit O PWCR V I1 RST Output voltage response compensation The S1F76380 series are provided with a response com- pensation input. A response compensation capacitor is connected between V and V , allowing the ripple CONT O voltage generated ...
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S1F76300 Series Notes 100 H L 1mH Schottky diode S1F76310M1A0 • Peff = 70% when L = 220 H (leadless inductor 1.5V, = 32kHz CLK • Peff = 75% when ...
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Sample External Components Leadless Inductors TDK NKF453232 series magnetically shielded leadless inductors Inductance Device ( H) NLF453232-390K 39.0 10% NLF453232-470K 47.0 10% NLF453232-560K 56.0 10% NLF453232-680K 68.0 10% NLF453232-820K 82.0 10% NLF453232-101K 100.0 10% NLF453232-121K 120.0 10% NLF453232-151K 150.0 10% ...
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S1F76300 Series Drum coil inductors Taiyo Yuuden FL series micro-inductors Device FL3H FL4H FL5H FL7H FL9H FL11H Toroidal coil inductors Tohoku Metal Industries HP series toroidal coil inductors Rated current I DC Device (A) HP011 1 HP021 2 HP031 3 ...
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Diodes Shindengen DINS4 Schottky barrier diodes Parameter Forward voltage Reverse current Junction-to-lead thermal resistance Junction-to-ambient thermal resistance Characteristics ˚C (Typ 125 ˚C (Typ ˚C (Max =125 ˚C (Max.) ...
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S1F76300 Series Other Applications Voltage booster Combining an S1F76310 switching regulator with an S1F76610C/M DC/DC converter and voltage regulator S1F76310M GND PS Potential levels are shown in the following figure. S1F76310M1A0 ...
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Output voltage adjustment To ensure stable output, any circuit that adjusts the out- put voltage must contain C1, R and R A switching current from affecting V , the circuit must O also satisfy the condition I < ...
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S1F76300 Series S1F76330 Series Built-in Crystal Oscillator Type CMOS Switching Regulators DESCRIPTION The S1F76330 series of CMOS switching regulators provide input voltage step-up and regulation to a speci- fied voltage using an external coil. The devices in these series incorporate ...
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BLOCK DIAGRAMS S1F76330 series Oscillator Reference + voltage Control generator switch – PIN DESCRIPTIONS S1F76330 series Number Name GND ...
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S1F76300 Series SPECIFICATIONS Absolute Maximum Ratings S1F76330 series Parameter Input voltage Output current Output voltage Power dissipation Operating temperature range Storage temperature range Solding temperature (for 10 s). See note. Note Temperatures during reflow soldering must remain within the limits ...
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Typical Performance Characteristics 2 ˚C 1.5 1.0 0.5 0 Fixed output voltage (V) Fixed output voltage temperature characteristic 1 – ...
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S1F76300 Series Load characteristics S1F76330M1B0 4 32.8 kHz CLK 3.5 3 1.5 1 Load current (mA) Notes Inductor: TDK NLF453232-221k (220 H) ...
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FUNCTIONAL DESCRIPTIONS Basic Voltage Booster Operation Tr1 switches ON and OFF at the frequency of the clock pulses from the crystal oscillator. When the transistor is ON, the circuit stores energy in L. When it is OFF, this energy flows ...
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S1F76300 Series Powering up Ensure that least the minimum operating volt- O age (0.9V) before switching on the booster circuit. One way to do this is to connect a capacitor between PS and GND so that the ...
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Diode Use a Schottky barrier diode with a high switching speed and low forward voltage drop, V Sample External Components Leadless inductors TDK NLF453232 series magnetically-shielded leadless inductors Inductance Device ( H) NLF453232-390K 39.0 10% NLF453232-470K 47.0 10% NLF453232-560K 56.0 ...
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S1F76300 Series Drum coil inductors Taiyo Yuuden FL series micro inductors Device FL3H FL4H FL5H FL7H FL9H FL11H Toroidal coil inductors Tohoku Metal Industries HP series toroidal coil inductors Rated current Device I (A) DC HP011 1 HP021 2 HP031 ...
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Diodes Shindengen DINS4 Schottky barrier diodes Parameter Forward voltage Reverse current Junction-to-lead thermal resistance Junction-to-ambient thermal resistance Characteristics ˚C (Typ 125 ˚C (Typ ˚C (Max 125 ˚C ...
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S1F76300 Series Other Applications Voltage booster Combining an S1F76330M1B0 switching regulator with an S1F76610C/M DC/DC converter and voltage S1F76330M GND Potential levels are shown in the following figure. S1F76330M1B0 ...
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Output voltage adjustment To ensure stable output, any circuit that adjusts the out- put voltage must contain C1, R and R A switching current from affecting V , the circuit must O also satisfy the condition I < ...
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S1F71100 Series S1F71100 Series PWM Type Step-down DC/DC Switching Regulator DESCRIPTION S1F71100 is a pulse width modulation (PWM) type step-down DC/DC converter control IC for which the CMOS process is used and to which a power transistor is connected outside. ...
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PIN ASSIGNMENTS Top View S SCAP POFFX SENSE PIN DESCRIPTIONS Pin No. Pin name Pin Type 1 S — The soft start function is obtained when a capacitor is connected SCAP between the capacitor connection pin for ...
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S1F71100 Series FUNCTIONAL DESCRIPTIONS Description of Operation S1F71100 is a step-down switching regulator control IC of load current detection type pulse width modulation (PWM) system and is composed of an oscillator, a ref- erence voltage circuit, an error amplifier, a ...
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Power Off Function S1F71100 can control circuit operations according to external signal control. When the POFFX pin is con- nected to the V level, all circuits stop their operations SS and their powers are turned off. The current consump- tion ...
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S1F71100 Series ELECTRICAL CHARACTERISTICS DC Characteristics (S1F71100M0A0) Parameter Input supply voltage Output voltage Current consumption during operation Current consumption at power off time Output current at SWO pin Input stability Load stability Soft start time Input voltage at POFFX pin ...
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EXAMPLE OF EXTERNAL CONNECTION OF REFERENCE CIRCUIT Example of Standard Circuit V DD CIN2 CIN1 POFFX Reference voltage circuit SSCAP Soft start Oscillator SSCAP soft start V O ERCAP + – ERCAP Error amplifier phase compen- sation CIN1 CIN2 SSCAP ...
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S1F71100 Series MECHANICAL DATA Plastic SOP4-8pin D 8 INDEX 1 e Lead type STD (SOP4–8pin STD) Symbol Dimension in Milimeters Min 0. ...
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S1F71200 Series PWM Type Step-up/down DC/DC Switching Regulator DESCRIPTION S1F71200 is a step-up/step-down DC/DC converter control IC for which the CMOS process is used and to which a power transistor is connected outside. S1F71200 is composed of an oscillator, a ...
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S1F71200 Series BLOCK DIAGRAM V DD1 V DD2 EXO Series regulator V O SRC I REF V REF 4–42 Oscillator Overcurrent detection circuit _ PWM + Soft start Error amplifier Reference voltage circuit EPSON Driver SWO ...
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PIN ASSIGNMENTS S1F70000 Series Technical Manual 1 16 Index SSOP2–16pin EPSON S1F71200 Series 4–43 ...
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S1F71200 Series PIN DESCRIPTIONS Pin No. Pin name Pin type 1 V Power supply DD1 2 V Power supply DD2 3 EXO Output 4 V — SRC — Output REF 7 V Output REF 8 (N.C) ...
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FUNCTIONAL DESCRIPTIONS Description of Operation S1F71200 is a switching regulator (step-up) and series regulator (step-down) control IC of pulse width modu- lation (PWM) system. When external parts such as transistor, inductor, capacitor, diode and resistor are connected, S1F71200 can constitute ...
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S1F71200 Series Overcurrent Protection Circuit The overcurrent protection circuit functions when an overcurrent flows through the current detection resistor during the step-up operation and the voltage at the I pin rises over the set voltage value. When the SENSE overcurrent ...
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ABSOLUTE MAXIMUM RATINGS Parameter Input voltage Voltage at EXO pin Voltage at V pin O Voltage at SRC pin Voltage at I pin REF Voltage at V pin REF Voltage at POFFX pin Voltage at V pin C Voltage at ...
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S1F71200 Series ELECTRICAL CHARACTERISTICS S1F71200M0A0 (Output : 5.0V) DC Characteristics Parameter Symbol Input supply voltage 1 V DD1 Input supply voltage 2 V DD2 Step-up set voltage V SW Output voltage DD1-1 Operating time (V current consumption ...
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DC Characteristics Parameter Symbol Input pin leak current I LINH at POFFX pin pin LINL C Step-up soft start time T SS Step-up portion EFFI conversion efficiency f Oscillation frequency OSC Overcurrent detection I DET voltage Output ...
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S1F71200 Series S1F71200M0B0 (Output : 3.3V) DC Characteristics Parameter Symbol Input supply voltage 1 V DD1 Input supply voltage 2 V DD2 Step-up set voltage V SW Output voltage DD1-1 Operating time (V DD1 current consumption 1 ...
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DC Characteristics Parameter Symbol Input pin leak current I LINH at POFFX pin, I LINL at V pin C Step-up soft start time T SS Step-up portion EFFI conversion efficiency f Oscillation frequency OSC Overcurrent detection I DET voltage Output ...
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S1F71200 Series EXAMPLE OF EXTERNAL CONNECTION OF REFERENCE CIRCUIT Basic Circuit V DD1 V DD2 EXO V SRC I REF V REF 4–52 Oscillator PWM _ + Series regulator O Error amplifier Reference voltage circuit EPSON Driver SWO Overcurrent detection ...
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Example of Parts Connection Input voltage CV DD1 AC/DC V BAT PNPTr Output voltage CV OUT CV CV NchTr PNPTr CSSC R SENSE * Characteristics vary with applicable conditions and parts. Select proper parts ...
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S1F71200 Series MECHANICAL DATA Plastic SSOP2-16pin INDEX 1 e Lead type STD (SSOP2-16pin STD) Dimension in Milimeters Symbol Min. E 4 0.26 C 0.1 0 ...
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DC/DC Switching Regulators & Voltage Follower ...