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Partname:AAT3194_08
Description:High Efficiency 1.5X Fractional Charge Pump For White LED Applications
Manufacturer:Advanced Analogic Technologies
Datasheet:PDF (1.24M).
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The AAT3194 is a low noise, constant frequency charge pump DC/DC converters that use fractional (1.5X) conversion to increase efficiency in white LED applications. The devices can be used to produce current levels up to 20mA for each output from a 2.7V to 5.5V input. A low external parts count (two 1F flying capacitors and two small bypass capacitors at IN and OUT) makes these devices ideally suited for small, battery-powered applications.

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