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AAT3172 Datasheet(PDF) 2 Page - Advanced Analogic Technologies |
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AAT3172 Datasheet(HTML) 2 Page - Advanced Analogic Technologies |
2 / 14 page Pin Descriptions Pin Configuration TDFN33-12 (Top View) VIN C1+ C1- 1 GND F1 F2 VIN VOUT C2+ C2- N/C EN/SET 2 3 4 5 6 12 11 10 9 8 7 Pin # Symbol Function 1, 12 VIN Input power supply pin. Requires 4.7µF bypass capacitor to ground. 2 C1+ Flying capacitor C1 positive terminal. Connect a 1.0µF capacitor between C1+ and C1-. 3 C1- Flying capacitor C1 negative terminal. 4 GND Ground connection. 5 F1 Current sink input #1. 6 F2 Current sink input #2. 7 EN/SET AS 2Cwire serial interface control pin. 8 N/C No connection. 9 C2- Flying capacitor C2 negative terminal. 10 C2+ Flying capacitor C2 positive terminal. Connect a 1µF capacitor between C2+ and C2-. 11 VOUT Charge pump output. Requires 2.2µF capacitor connected between this pin and ground. EP Exposed paddle (bottom); connect to GND directly beneath package. AAT3172 High Current LED Flash Driver Charge Pump IC 2 3172.2005.11.1.1 |
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