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AAT3156

Part Number	AAT3156
Manufacturer	Advanced Analogic Technologies
Description	High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications
Published	Jun 25, 2006
Detailed Description	www.DataSheet4U.com AAT3156 High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications General Description The A...
Datasheet	AAT3156 PDF File

Overview

www.
DataSheet4U.
com AAT3156 High Efficiency 1X/1.
5X/2X Charge Pump For White LED Applications General Description The AAT3156 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 AAT3156 is capable of driving six-channel LEDs at 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 1µF flying capacitors and two small 1µF capacitors at VIN and VOUT) make this part ideally suited for small battery-powered applications.
AnalogicTe...

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