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AAT3122 Datasheet(PDF) 2 Page - Advanced Analogic Technologies |
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AAT3122 Datasheet(HTML) 2 Page - Advanced Analogic Technologies |
2 / 12 page AAT3122 High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications 2 3122.2004.08.1.2 Pin Descriptions Pin Configuration TSOPJW-12 1 2 3 4 5 6 12 11 10 9 8 7 C2+ OUT C1- C1+ D D C2- GND IN EN/SET D D Pin # Symbol Function 1 C2+ Flying Capacitor 2 + terminal. Connect a 1.0µF Capacitor between C2+ and C2- 2 OUT Charge pump output. Requires 1.0 µF bypass capacitor to ground. 3 C1- Flying Capacitor 1 - terminal 4 C1+ Flying Capacitor 1 + terminal. Connect a 1.0µF Capacitor between C1+ and C1- 5,6,7,8 D Output current Source with drive capability of up to 120mA. 9 EN/SET Input Control Pin. Serial data interface that controls the level of output current. See application information for more details. 10 IN Input power supply. Requires 1uF bypass capacitor to ground. 11 GND Ground 12 C2- Flying Capacitor 2 - terminal |
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