S-9365AAAAAI6TIG2 SII [Seiko Instruments Inc], S-9365AAAAAI6TIG2 Datasheet
S-9365AAAAAI6TIG2
Related parts for S-9365AAAAAI6TIG2
S-9365AAAAAI6TIG2 Summary of contents
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... PWM / PFM switching control circuit in order to prevent efficiency decline due to the IC operating current. Ceramic capacitors can be used for output capacitor. Small packages SNT-6A, SOT-23-5 and SOT-23-6 enable high-density mounting. : Start at 1 mA) guaranteed (in the product without UVLO function 1.2 MHz, 600 kHz : 0.6 V±2. typ µ ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series Block Diagram 1. With UVLO function and short-circuit protection L VDD M1 EXT ON/OFF 2. With UVLO function, without short-circuit protection L VDD M1 EXT ON/OFF 2 SD Triangular Wave UVLO ...
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... ON/OFF Caution To stabilize the output voltage and oscillation frequency of the S-8365/8366 Series, the input voltage of 1.8 V ≤ V ≤ 5 necessary. When connecting the VOUT output to the VDD pin, set the input voltage satisfy the above range, including the spike voltage generated in VOUT. ...
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... S-8365/8366 Series Product Name Structure Users can select the control system, oscillation frequency, short-circuit protection, UVLO function, packages for the S-8365/8366 Series. Refer to “1. Product Name” regarding the contents of product name, “2. Product List” regarding the product type. 1. Product name ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 (2) SOT-23-5, SOT-23-6 S-836 *1. Refer to the tape specification xxxx Seiko Instruments Inc. S-8365/8366 Series S2 Package name (abbreviation) and IC packing *1 specification M5T1: SOT-23-5, Tape M6T1: SOT-23-6, Tape ...
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... S-8366 Series (PWM / PFM switching control) SOT-23-5 SOT-23-6 − S-8366AABBA-M6T1S2 S-8366AABBA-I6T1G2 S-8366AAABA-M5T1S2 S-8366AAAAA-M5T1S2 − S-8366ABBBA-M6T1S2 S-8366ABBBA-I6T1G2 S-8366ABABA-M5T1S2 S-8366ABAAA-M5T1S2 Remark 1. Contact our sales office for S-8366AxBAA (without UVLO function, with short-circuit protection). 2. Contact our sales office for S-8366AxxxB ( 6 Table 1 SNT-6A − S-8365AAABA-I6T1G2 − S-8365AAAAA-I6T1G2 − S-8365ABABA-I6T1G2 − ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 Pin Configurations SNT-6A Top view Figure 4 SOT-23-5 Top view Figure 5 Table 3 With Short-Circuit Protection Pin No. Symbol 1 EXT 2 VSS OFF CSP 6 VDD Table 4 Without Short-Circuit Protection Pin No ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series SOT-23-6 Top view Figure 6 8 Table 6 With Short-Circuit Protection Pin No. Symbol 1 VDD IC power supply pin Delay time setting pin for 2 CSP short-circuit protection 3 FB Output voltage feedback pin ...
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... Board size : (2) Name : 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 7 Package Power Dissipation (When Mounted on Board) Table 7 Absolute Maximum Ratings (Ta = 25° ...
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... OUT(S) *5. The short-circuit protection time can be set by the external capacitor, and the maximum set value by the external capacitor is unlimited when an ideal case is assumed. But use CSP = approximately 0.47 µ target maximum value due to the need to consider the discharge time of the capacitor. ...
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... OUT(S) *5. The short-circuit protection time can be set by the external capacitor, and the maximum set value by the external capacitor is unlimited when an ideal case is assumed. But use CSP = approximately 0.47 µ target maximum value due to the need to consider the discharge time of the capacitor. ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series External Parts List When Measuring Electrical Characteristics Element Name Symbol Inductor L M1 Transistor Q1 Diode SD Input capacitor C IN Output capacitor C OUT FB pin capacitor C FB CSP pin capacitor CSP Speed-up capacitor ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 Test Circuits 1. A VDD C IN ON/OFF A 2. VDD C IN ON/OFF A 3. VDD C IN ON/OFF A EXT FB S-8365/8366 CSP Series VSS CSP Figure EXT S-8365/8366 FB Series CSP VSS CSP ...
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... A soft-start performs by controlling the FB pin voltage so that it follows the rise of the reference voltage. After the reference voltage rises once reset the ON/OFF pin voltage drops to low, the power supply voltage drops to the UVLO detection voltage, or the S-8365/8366 Series enters the short-circuit protection latch status. A soft-start is performed regardless of conditions when resuming step-up operation ...
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... This pin stops or starts step-up operations. 3.1 Without ON/OFF pin pull-down When this pin is set to the low level, the voltage of the EXT pin is fixed and the external transistor and all internal circuits stop, substantially reducing the current consumption. Do not use the ON/OFF pin in a floating state because it is set up as shown in Figure 11 and is not internally pulled up or down ...
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... Timer latch type short-circuit protection (products with short-circuit protection function) The S-8365/8366 Series incorporates a timer latch type short-circuit protection circuit that stops switching operation if the output short circuits for a certain time or more. Connect a capacitor (CSP) to the CSP pin to set the delay time of this circuit. ...
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... Step-up switching regulators start current supply by the input voltage (V on and holds energy in the inductor at the same time. When the Nch power MOS FET is turned off, the CONT pin voltage is stepped up to discharge the energy held in the inductor and the current is discharged to V diode ...
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... The input power equals the output power in an ideal situation where there is no loss by components IN(AV OUT × V × IN(AV) IN OUT V OUT ∴I × IN(AV The current that flows in the inductor consists of a ripple current that changes due to variation over time and a direct current. From Figure IN(AV) ∆ IN(AV) IN(DC OUT = I + IN(DC IN(DC) 2 × ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 Figure 15 Continuous Mode (Current Cycle of Inductor Current I Figure 16 Critical Point (Current Cycle of Inductor Current I Figure 17 Discontinuous Mode (Current Cycle of Inductor Current max IN(AV) I min ...
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... The loss due to the I of the switching transistor is decreased by increasing L and the efficiency maximizes certain L value increased further, the loss due to the serial resistance of the inductor increases, lowering the efficiency. Caution When selecting an inductor, be careful about its allowable current current exceeding the allowable current flows through the inductor, magnetic saturation occurs, substantially lowering the efficiency and destroying ICs due to large current ...
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... A 22 µF ceramic capacitor is recommended for the S-8365/8366 Series. However, a higher capacitance is recommended if the output voltage is high or the load current is large. If the output voltage or load current is low, about 10 µF can be used without problems. ...
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... If a MOS FET for which the threshold value is near the UVLO detection voltage is used, a high current flows upon power-on, and, in the worst case, the output voltage might not increase and the timer latch type short-circuit protection circuit might operate ...
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... The transient response can be improved by setting the zero point frequency in a lower frequency range. If, however, the zero point frequency is set in a significantly lower range, the gain increases in the range of high frequency and the phase margin decreases. This might result in unstable operation. Determine the proper value after sufficient evaluation with actual application ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series Standard Circuit (1) With short-circuit protection (SNT-6A, SOT-23-6) L VDD M1 EXT V C 0.1 µ ON/OFF (2) Without short-circuit protection (SOT-23-5) L VDD M1 EXT V C 0.1 µ ON/OFF 24 SD Triangular wave UVLO oscillation circuit ...
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... Although the IC contains a static electricity protection circuit, static electricity or voltage that exceeds the limit of the protection circuit should not be applied. • The power dissipation of the IC greatly varies depending on the size and material of the board to be connected. Perform sufficient evaluation using an actual application before designing. ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series Application Circuits Application circuits are examples. They may always not guarantee successful operation. 1. External parts for application circuits Part Part Name NR6028T-2R2M LTF5022T-3R3M Inductor VLF3010ST-2R2M VLF3010ST-3R3M RB070M-30TR Diode ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 2. Power supply for LCD Following shows a circuit example and its characteristics for driving an LCD panel (with 9 V and 15 V outputs Figure 23 Circuit Example (Power Supply for LCD) ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series 3. Output Characteristics of Power Supply for LCD Following shows the output current (I characteristics for conditions Table 17. Condition 3 3 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 4. Power supply for high output current Following shows a circuit example and its characteristics for outputting 3.3 V from two dry cells (1.8 V) and satisfying I = 800 mA. OUT Figure 24 Circuit Example (Power Supply for High Output Current) ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series 5. Output characteristics of power supply for high output current Following shows the output current (I characteristics for conditions Table 18. Condition 1 2 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 6. Circuit for low power supply voltage applications Following shows a circuit example that starts up by using a dry cell (1.2 V) and its characteristics. ON/OFF Figure 25 Circuit Example (Circuit for Low Power Supply Voltage Applications) ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series 7. Output characteristics of circuits for low power supply voltage applications Following shows the output current (I characteristics for conditions 1 and 2 in Table 19. Condition 1 1 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 Characteristics (Typical Data) 1. Examples of Major Power Supply Dependence Characteristics (Ta = 25°C) (1) Current consumption during operation (I Input voltage ( 700 600 1.2 MHz 500 400 300 200 600 kHz 100 0 1 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series (7) High level input voltage (V 0.8 0.7 0.6 0.5 0.4 0.3 1.8 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 V [V] IN (9) FB voltage (V ) vs. Input voltage (V FB 0.8 0.7 0.6 0.5 0.4 0.3 1.8 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 V [V] IN (11) EXT pin output current “H” (I −300 −250 −200 −150 −100 −50 0 1.8 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 2. Examples of Major Temperature Characteristics (Ta = −40 to 85°C) (1) Current consumption during operation (I 700 600 V 500 V 400 300 V 200 100 0 −40 − [°C] (2) Current consumption during shutdown (I 1.0 0.9 0.8 0.7 0.6 V 0 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series (5) Soft-start time (t ) vs. Temperature ( −40 − [°C] (7) High level input voltage ( 5 0.5 0.4 0.3 −40 −25 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 (13) EXT pin output current “H” (I Temperature (Ta) −350 −300 −250 −200 −150 −100 −50 0 −40 − [°C] (15) Operating start voltage (V ST1 1.0 S-8365 Series 0.8 0.6 S-8366 Series 0.4 0.2 0.0 −40 −25 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series 3. Examples of Transient Response Characteristics Unless otherwise specified, the used parts are those in Table 10 External Parts List. 3.1 At power- 5 OUT(S) ( 1.2 MHz S-8365AABBA OSC OUT ...
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... 3 OUT IN ON/OFF (2) f OSC 6.0 5.0 OUT 4.0 3.0 ON/OFF 2.0 1.0 0 (4) f OSC 6.0 5.0 OUT 4.0 3.0 ON/OFF 2.0 1.0 0 → 3.3 V, PWM / PFM switching control 25° OUT IN ON/OFF (2) f OSC 6.0 5.0 OUT 4.0 3.0 ON/OFF 2.0 1.0 0 (4) f OSC 6.0 5.0 OUT 4.0 3.0 ON/OFF 2.0 1.0 0 Seiko Instruments Inc. S-8365/8366 Series = 0 V → ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series 3.5 Power supply voltage fluctuations (V = 2.8 V → 3.8 V S-8365AABBA ( 1.2 MHz, V OSC IN 5.05 5.00 V OUT 4.95 4. 4.85 4.80 4. [ms] ( 600 kHz 2.8 V → 3.8 V S-8365ABBBA OSC IN 5.15 5 OUT 4.95 4.9 4. [ms] 3 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 3.7 Power supply voltage fluctuations (V = 2.8 V → 3.8 V S-8365AABBA ( 1.2 MHz, V OSC IN 5.60 5.40 5.20 V OUT 5.00 4.80 4. 4.40 4.20 4.00 0.0 0.2 0.4 0.6 t [ms] ( 600 kHz 2.8 V → 3.8 V S-8365ABBBA OSC IN 5. 5.20 V OUT 5.00 .80 . .20 .00 0.0 0.2 0. ...
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... OSC 5. 0 1600 5.30 1400 5.20 1200 5.10 1000 5.00 800 600 400 200 0 3.0 3.5 4.0 = 0.1 mA → 100 mA → 0.1 mA, PWM / PFM switching control 25° OUT (2) f OSC 1600 5.30 1200 5.20 1000 5.10 800 5.00 600 00 200 0 2.5 3.0 3.5 .0 (4) f OSC 1600 5 ...
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... OSC 1600 5.60 1400 5.40 1200 5.20 1000 5.00 800 4.80 600 4.60 400 4.40 200 4.20 0 4.00 0.8 1.0 = 0.1 mA → 300 mA → 0.1 mA, PWM / PFM switching control 25° OUT (2) f OSC 1600 5.60 1400 5.40 1200 5.20 1000 5.00 800 4.80 600 4.60 400 4.40 200 4.20 0 4.00 0.8 1.0 (4) f OSC 1600 5. 5.40 1200 5.20 1000 5 ...
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... Reference data is provided to determine specific external components. Therefore, the following data shows the characteristics of the recommended external components selected for various applications. 1. External parts Table 20 Efficiency vs. Output Current Characteristics and Output Voltage vs. Output Current Characteristics for External Parts ( Oscillation Condition ...
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... Gate-source voltage GS *12 Rated voltage DC Caution The values shown in the characteristics column of Table 21 above are based on the materials provided by each manufacture. However, consider the characteristics of the original materials when using the above products. Table 21 Characteristics of External Parts Manfuacturer Taiyo Yuden Co., Ltd. ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series 2. Output Current (I ) vs. Efficiency (η) Characteristics, Output Current (I OUT (V ) Characteristics OUT Following shows the actual output current (I characteristics for conditions Table 20. Condition 1 S-8365AABBA (V 100 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 Condition 5 S-8365AABBA (V 100 0 OUT Condition 6 S-8365ABBBA (V 100 OUT ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series Condition 9 S-8365AABBA (V 100 0 Condition 10 S-8365ABBBA (V 100 0 Condition 11 S-8366AABBA (V 100 0 Condition 12 S-8366ABBBA (V ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 3. Output Current (I ) vs. Ripple Voltage (V OUT Following shows the actual output current (I Table 20. Condition 1 S-8365AABBA (V 100 0 OUT Condition 3 S-8366AABBA (V 100 90 80 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series Condition 9 S-8365AABBA (V 100 0 Condition 11 S-8366AABBA (V 100 ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.1.1 _00 Marking Specification (1) SNT-6A SNT-6A Top view Product name vs. Product code (a) S-8365 Series Product name S-8365AAAAA-I6T1G2 S-8365AAABA-I6T1G2 S-8365AABBA-I6T1G2 S-8365ABAAA-I6T1G2 S-8365ABABA-I6T1G2 S-8365ABBBA-I6T1G2 (2) SOT-23-5 SOT-23-5 Top view 5 4 (1) (2) (3) (4) ...
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... STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8365/8366 Series (3) SOT-23-6 SOT-23-6 Top view (1) (2) (3) ( Product name vs. Product code (a) S-8365 Series Product name S-8365AABBA-M6T1S2 S-8365ABBBA-M6T1S2 52 (1) to (3) : Product code (Refer to Product name vs. Product code) ...
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... Use of the information described herein for other purposes and/or reproduction or copying without the express permission of 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 ...