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AAT3131

Part Number	AAT3131
Manufacturer	Skyworks
Description	High Efficiency 1X/1.5X Fractional Charge Pump
Published	Jun 28, 2019
Detailed Description	DATA SHEET AAT3131 High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications General Description The AA...
Datasheet	AAT3131 PDF File

Overview

DATA SHEET AAT3131 High Efficiency 1X/1.
5X Fractional Charge Pump for White LED Applications General Description The AAT3131 is a low noise, constant frequency charge pump DC/DC converter that uses a dual mode load switch (1X) and fractional (1.
5X) conversion to maximize efficiency for white LED applications.
The device can be used to produce current levels up to 20mA in three of its outputs and 30mA in one of its outputs to drive LEDs from a 2.
7V to 5.
5V input.
Outputs may be operated individually or paralleled for driving higher-current LEDs.
A low external parts count (two 1µF flying capacitors and two small 1µF capacitors at VIN and OUT) makes the AAT3131 ideally suited for small batter...

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