IC REG LDO 50MA 3.0V SC-82AB

S-817A30ANB-CUTT2G

Manufacturer Part NumberS-817A30ANB-CUTT2G
DescriptionIC REG LDO 50MA 3.0V SC-82AB
ManufacturerSeiko Instruments
S-817A30ANB-CUTT2G datasheet
 

Specifications of S-817A30ANB-CUTT2G

Regulator TopologyPositive FixedVoltage - Output3V
Voltage - InputUp to 10VVoltage - Dropout (typical)0.25V @ 10mA
Number Of Regulators1Current - Output50mA (Min)
Operating Temperature-40°C ~ 85°CMounting TypeSurface Mount
Package / CaseSC-70-4, SC-82-4, SOT-323-4, SOT-343Number Of Outputs1
PolarityPositiveInput Voltage Max12 V
Output Voltage3 VOutput Voltage Tolerance+/- 2 %
Output TypeFixedDropout Voltage (max)1.58 V
Output Current50 mALine Regulation20 mV
Load Regulation45 mVVoltage Regulation Accuracy2 %
Maximum Power Dissipation400 mWMaximum Operating Temperature+ 85 C
Mounting StyleSMD/SMTMinimum Operating Temperature- 40 C
Lead Free Status / RoHS StatusLead free / RoHS CompliantCurrent - Limit (min)-
Other names728-1027-2  
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© Seiko Instruments Inc., 1999-2010
The S-817 Series is a 3-terminal positive voltage regulator, developed using CMOS technology. Small ceramic
capacitors can be used as the output capacitor, and the S-817 series provides stable operation with low loads
down to 1 µA.
Compared with the conventional voltage regulator, it is of low current consumption, and with a lineup of the
super small package (SNT-4A:1.2 x 1.6mm). It is optimal as a power supply of small portable device.
Features
• Ultra-low current consumption:
• Output voltage:
• Output voltage accuracy:
• Output current:
• Dropout voltage:
• Low ESR capacitor Ceramic capacitor of 0.1 μF or more can be used as an output capacitor.
• Short circuit protection for:
• Excellent Line Regulation:
• Lead-free, Sn 100%, halogen-free
*1. Attention should be paid to the power dissipation of the package when the load is large.
*2. Refer to “ Product Name Structure” for details.
Applications
• Power source for battery-powered devices
• Power source for personal communication devices
• Power source for home electric/electronic appliances
Packages
• SNT-4A
• SC-82AB
• SOT-23-5
• SOT-89-3
• TO-92
CMOS VOLTAGE REGULATOR
Operating current: Typ. 1.2 μA, Max. 2.5 μA
1.1 to 6.0 V, selectable in 0.1 V steps.
±2.0%
50 mA capable (3.0 V output product, V
75 mA capable (5.0 V output product, V
= 5.0 V, I
Typ. 160 mV (V
OUT
OUT
Series A
Stable operation at light load of 1 μA
*2
Seiko Instruments Inc.
S-817 Series
SUPER-SMALL PACKAGE
Rev.5.0
=5 V)
*1
IN
=7 V)
*1
IN
= 10 mA)
_00
1

S-817A30ANB-CUTT2G Summary of contents

  • Page 1

    ... Seiko Instruments Inc., 1999-2010 The S-817 Series is a 3-terminal positive voltage regulator, developed using CMOS technology. Small ceramic capacitors can be used as the output capacitor, and the S-817 series provides stable operation with low loads down to 1 µA. Compared with the conventional voltage regulator low current consumption, and with a lineup of the super small package (SNT-4A:1 ...

  • Page 2

    ... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Block Diagrams 1. S-817A Series VIN VSS *1. Parasitic diode 2. S-817B Series VIN VSS *1. Parasitic diode 2 + − Reference Short circuit voltage circuit protection Figure 1 + − Reference voltage circuit Figure 2 Seiko Instruments Inc. Rev.5.0 *1 VOUT *1 VOUT _00 ...

  • Page 3

    ... Product Name Structure • The product types and output voltage for the S-817 Series can be selected at the user’s request. Refer to the “1. Product Name” for the construction of the product name, “2. Package” regarding the package drawings and “3. Product Name List” for the full product names. ...

  • Page 4

    ... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series 1. 2 S-817B series SOT-23-5 and SOT-89-3 package S-817 xxx T2 x *1. Refer to the tape specifications at the end of this book. *2. Refer to the “3. Product name list” TO-92 package S-817 *1. Refer to the “3. Product name list”. ...

  • Page 5

    ... MP005-A-P-SD MP005-A-C-SD MP005-A-R-SD SOT-89-3 UP003-A-P-SD UP003-A-C-SD UP003-A-R-SD TO-92 (Bulk) YS003-B-P-SD TO-92 (Tape and reel) YF003-A-P-SD YF003-A-C-SD YF003-A-R-SD TO-92 (Tape and ammo) YF003-A-P-SD YZ003-C-C-SD SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Drawing code Tape Reel NP004-A-C-SD NP004-A-R-SD NP004-A-C-S1 ⎯ Seiko Instruments Inc. S-817 Series Zigzag ⎯ ...

  • Page 6

    ... S-817A57APF-CVUTFx 5.8 V ± 2.0 % S-817A58APF-CVVTFx 5.9 V ± 2.0 % S-817A59APF-CVWTFx 6.0 V ± 2.0 % S-817A60APF-CVXTFx Remark 1. Please contact the SII marketing department for products with an output voltage over than those specified above Please select products of environmental code = U for Sn 100%, halogen-free products. 6 Table 1 SNT-4A ...

  • Page 7

    ... V ± 2.0 % S-817B59AMC-CXWT2x 6.0 V ± 2.0 % S-817B60AMC-CXXT2x *1. “n” changes according to the packing form in TO-92. B: Bulk, T: Tape and Reel, Z: Tape and ammo. Remark Please select products of environmental code = U for Sn 100%, halogen-free products. SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Table 2 SOT-23-5 SOT-89-3 S-817B11AUA-CWAT2x S-817B12AUA-CWBT2x ...

  • Page 8

    ... VOUT 4 *1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Pin No. Symbol VOUT 4 5 *1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Pin No. Symbol VOUT Seiko Instruments Inc. Rev.5.0 _00 Table 3 Description Output voltage pin VIN Input voltage pin ...

  • Page 9

    ... Board size : 114.3 mm × 76.2 mm × t1.6 mm (2) Board name : JEDEC STANDARD51-7 Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions. Figure 8 Power dissipation of The package (When mounted on board) SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Pin No ...

  • Page 10

    ... I *2. Output current at which output voltage becomes 95 −(V × 0.98), where V *3. V drop IN1 OUT(E) after gradually decreasing input voltage. *4. Temperature change ratio for the output voltage [mV/°C] is calculated using the following equation. Δ OUT 1 * ° = mV/ ...

  • Page 11

    ... I *2. Output current at which output voltage becomes 95 −(V × 0.98), where V *3. V drop IN1 OUT(E) after gradually decreasing input voltage. *4. Temperature change ratio for the output voltage [mV/°C] is calculated using the following equation. Δ OUT 1 * ° = mV/ ...

  • Page 12

    ... Standard Circuit INPUT * capacitor used to stabilize input. IN *2. In addition to tantalum capacitor, ceramic capacitor of 0.1 μ more can be used for C Caution The above connection diagram and constant will not guarantee successful operation. Perform through evaluation using the actual application to set the constant. 12 VIN ...

  • Page 13

    ... Load regulation (ΔV ) OUT3 Indicates the output current dependencies of output voltage. That is, the values show how much the output voltage changes due to a change in the output current with the input voltage remained unchanged. 5. Dropout voltage (V ) drop Indicates a difference between input voltage (V ...

  • Page 14

    ... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series 6. Temperature coefficient of output voltage The shadowed area in Figure 13 is the range where V when the temperature coefficient of the output voltage is ±100 ppm/°C. V OUT(E) * change in the temperature of the output voltage [mV/°C] is calculated using the following equation. Δ ° = ...

  • Page 15

    ... Input voltage and the load current under the actual condition so as not to exceed the power dissipation of the package including the case for short-circuit. When the output current is large and the difference between input and output voltage is large even if not shorted, the short-circuit protection may work and the output current is suppressed to the specified value. ...

  • Page 16

    ... VSS in the S-817 series because the phase is compensated with the help of the internal phase compensation circuit and the ESR of the output capacitor. When selecting a ceramic capacitor, capacitance should be 0.1 μ more, and when selecting a tantalum or an aluminum electrolytic capacitor, capacitance should be 0.1 μ more and ESR 30 Ω or less ...

  • Page 17

    ... Rev.5.0 _00 The following graphs show the examples of input-output voltage characteristics ( ° C, typ.) in the output current boosting circuit as seen in Figure 15 S-817A11ANB/S-817B11AMC Tr1 : 2SA1213Y Ω 1.20 100 0.80 0.70 0.60 1.4 1.5 1.6 1.7 1.8 2. Constant Current Circuit 2. 1 Constant Current Circuit ...

  • Page 18

    ... OUT( Note that by using a circuit in Figure16 impossible to set the better driving ability to the constant amperage (IO) than the S-817 Series basically has. To gain the driving ability which exceeds the S-817 Series, there’s a way to combine a constant current circuit and a current boosting circuit, as seen in Figure 17. ...

  • Page 19

    ... When mounting an output capacitor between the VOUT and VSS pins (C the input between VIN and VSS pins (C short as possible. • Note that the output voltage may increase when a series regulator is used at low load current (1.0 μ less). • Generally a series regulator may cause oscillation, depending on the selection of external parts. The following conditions are recommended for this IC ...

  • Page 20

    ... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Characteristics (Typical Data) 1. Output Voltage vs. Output Current (when load current increases) (a) S-817A Series S-817A11A (Ta=25 ° C) 1.2 0 1.5V 0.6 V OUT 2.1V (V) 0.3 0 OUT S-817A30A (Ta=25 ° C) 3.0 2.5 4V 2.0 V OUT 1.5 (V) 1 0.5 3.4V ...

  • Page 21

    ... Rev.5.0 _00 2. Output Voltage vs. Input Voltage S-817A11A/S-817B11A (Ta=25°C) 1.5 =1 μ OUT 1.0 V OUT 1mA (V) 0.5 10mA 20mA 0 S-817A30A/S-817B30A (Ta=25°C) 3.5 20mA 3.0 2.5 50mA 10mA 2.0 V OUT 1.5 (V) 1mA 1.0 0.5 =1 μ OUT 0 SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817A20A/S-817B20A (Ta=25°C) ...

  • Page 22

    ... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series 3. Maximum Output Current vs. Input Voltage (a) S-817A Series S-817A11A 100 Ta=-40 ° OUT max.(mA S-817A30A 180 25 ° C 150 Ta=-40 ° C 120 I OUT 90 max.(mA (b) S-817B Series S-817B11A 300 250 Ta=-40°C 200 I 25°C OUT 150 max ...

  • Page 23

    ... Rev.5.0 _00 4. Dropout Voltage vs. Output Current S-817A11A/S-817B11A 2000 1500 85°C 1000 500 OUT S-817A30A/S-817B30A 1600 1200 25°C 800 400 OUT 5. Output Voltage vs. Ambient Temperature S-817A11A/S-817B11A V 1.12 1.11 1.10 1.09 1.08 - (°C) S-817A30A/S-817B30A 3.06 3.03 3.00 2.97 2.94 - (°C) SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817A20A/S-817B20A 25° ...

  • Page 24

    ... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series 6. Line Regulation 1 vs. Ambient Temperature S-817A11/20/30/50A OUT(S) S-817B11/20/30/50A =1.1V OUT -50 - (°C) 8. Load Regulation vs. Ambient Temperature S-817A11/20/30/50A V =V S-817B11/20/30/50A IN OUT( =1.1V(I =10mA) OUT OUT 70 2V(I =20mA) OUT 60 3V -50 - (° Line Regulation 2 vs. Ambient Temperature S-817A11/20/30/50A +1V↔ ...

  • Page 25

    ... Rev.5.0 _00 9. Current Consumption vs. Input Voltage S-817A11A/S-817B11A 1.6 1.2 0.8 Ta=-40°C 0 S-817A30A/S-817B30A 1.6 85°C 1.2 0.8 0 SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817A20A/S-817B20A 85°C 25° (V) IN S-817A50A/S-817B50A 25°C Ta=-40° (V) IN Seiko Instruments Inc. S-817 Series 1.6 85°C 1.2 25°C 0.8 Ta=-40° ...

  • Page 26

    ... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Reference Data 1. Transient Response Characteristics (Typical data: Ta=25 ° lta rre lta powering on S-817A30A (when using a ceramic capacitor → OUT (0.5 V/div) TIME(100 μ s/div) Load dependencies of overshoot at powering V→V OUT 0.05 0.04 0. ...

  • Page 27

    ... Rev.5.0 _00 powering on S-817B30A (when using a ceramic capacitor → OUT (0.5 V/div) TIME(100 μ s/div) Load dependencies of overshoot at powering on =0 V→ 0.05 0.04 0.03 0.02 0.01 0 1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 I OUT V dependencies of overshoot at powering V→ 0.05 0.04 0.03 ...

  • Page 28

    ... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series 1. 3 Power fluctuation S-817A30A / S-817B30A (when using a ceramic capacitor → OUT (0.2 V/div TIME(200 μ s/div) Load dependencies of overshoot at power fluctuation =V +1 V→ OUT(S) 0.5 0.4 0 0.2 0.1 0 1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 ...

  • Page 29

    ... Rev.5.0 _00 = 10 V → OUT (0.02 V/div) TIME(50 μ s/div) Load dependencies of undershoot at power fluctuation V→ OUT(S) 0.5 0.4 0.3 0.2 0.1 0 1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 I (A) OUT V dependencies of undershoot at power fluctuation DD =V → OUT(S) 0.1 0.08 ...

  • Page 30

    ... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series 1. 4 Load fluctuation S-817A30A/S-817B30A (when using a ceramic capacitor, C =30 mA→10 μA,V I OUT μA V OUT (0.2 V/div TIME(20 ms/div) Load current dependencies of overshoot at load fluctuation = OUT(S) OUT 2 1.5 1 0.5 0 1.E-05 1.E-04 1.E-03 I (A) OUT V dependencies of overshoot at load fluctuation ...

  • Page 31

    ... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR =1 μF =5V dependencies of undershoot at load fluctuation L =10 μA→I =1 μ 1.4 1.2 5V 0.8 3V 0.6 0.4 2V 0.2 1.E-01 1.E+00 “Ta” dependencies of undershoot at load fluctuation =1 μF L 0.5 0 0.3 0.2 0 Seiko Instruments Inc. S-817 Series =V =10 μA→ OUT(S) OUT 3V 5V ...

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    ... Seiko Instruments Inc. is strictly prohibited. • The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc. ...