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Partname:AAT3169
Description: High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
Manufacturer:Advanced Analogic Technologies
Datasheet:PDF (858K).
Click here to download *)

The AAT3169 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications. The AAT3169 is capable of driving six LEDs for a total of 180mA from a 2.7V to 5.5V input. The current sinks may be operated individually or in parallel for driving higher current LEDs. A low external parts count (two 1F flying capacitors and two small 1F capacitors at IN and OUTCP) make this part ideally suited for small, batterypowered applications.

Click here to download AAT3169 Datasheet
Click here to download AAT3169 Datasheet
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