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Partname:AAT3167
Description:High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
Manufacturer:Advanced Analogic Technologies
Datasheet:PDF (416K).
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The AAT3167 is a low noise, constant frequency charge pump DC/DC converter that uses a trimode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications. The AAT3167 is capable of driving five LEDs for a total of 135mA 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, battery-powered applications.

Click here to download AAT3167 Datasheet
Click here to download AAT3167 Datasheet
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