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Partname:AAT3152IWP-T1
Description:High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications
Manufacturer:Advanced Analogic Technologies
Datasheet:PDF (322K).
Click here to download *)

The AAT3152 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 AAT3152 is capable of driving four-channel LEDs 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 VIN and VOUT) makes this part ideally suited for small, battery-powered applications.

Click here to download AAT3152IWP-T1 Datasheet
Click here to download AAT3152IWP-T1 Datasheet
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