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AAT3134 Dataheets PDF



Part Number AAT3134
Manufacturers Skyworks Solutions
Logo Skyworks Solutions
Description High Efficiency 1X/1.5X Fractional Charge Pump
Datasheet AAT3134 DatasheetAAT3134 Datasheet (PDF)

DATA SHEET AAT3134 High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications General Description The AAT3134 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 each of its six outputs to drive LEDs from a 2.7V to 5.5V input. Outputs may be operated individually or paralleled for drivi.

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DATA SHEET AAT3134 High Efficiency 1X/1.5X Fractional Charge Pump for White LED Applications General Description The AAT3134 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 each of its six 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) make the AAT3134 ideally suited for small battery-powered applications. Skyworks' Simple Serial Control™ (S2Cwire™) interface is used to enable, disable, and set the LED drive current in two groups of four outputs and two outputs with multiple-level, independently-controlled brightness scales. The AAT3134 has a thermal management system to protect the device in the eve.


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