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AAT3140

High Efficiency 1X/1.5X/2X Charge Pump

AAT3140 Datasheet (1.67 MB)

Preview of AAT3140 PDF

Datasheet Details

Part number:

AAT3140

Manufacturer:

Skyworks

File Size:

1.67 MB

Description:

High efficiency 1x/1.5x/2x charge pump.

AAT3140 Features

* VIN Range: 2.7V to 5.5V

* Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage

* Drives Low-VF and High-VF Type LEDs

* Up to Four 30mA Outputs

* 32-Position Logarithmic Scale with Digital Control

* Low Noise Constant Frequency

AAT3140 General Description

The AAT3140 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 device produces current levels up to 30mA on each of its four current source output.

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AAT3140 High Efficiency 1.5X Charge Pump Skyworks

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