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AAT3151

Part Number	AAT3151
Manufacturer	Skyworks
Description	High Efficiency 1X/1.5X/2X Charge Pump
Published	Jun 28, 2019
Detailed Description	DATA SHEET AAT3151 High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications General Description The AAT3151 is...
Datasheet	AAT3151 PDF File

Overview

DATA SHEET AAT3151 High Efficiency 1X/1.
5X/2X Charge Pump for White LED Applications General Description The AAT3151 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 AAT3151 is capable of driving four white LEDs at a total of 120mA 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) makes the AAT3151 ideally suited for small battery-powered applications.
Skyworks' AS2Cwi...

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