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AAT3113 Datasheet High Efficiency 1.5X Fractional Charge Pumps

Manufacturer: Skyworks Solutions

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General Description

The AAT3113 and AAT3114 are 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 1μF flying capacitors and two small bypass capacitors at VIN and OUT) makes these devices ideally suited for small, battery-powered applications.

Overview

DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications.

Key Features

  • AAT3113: Four Outputs.
  • AAT3114: Six Outputs.
  • 20mA Full-Scale Current.
  • Simple Serial Control (S2Cwire) Interface.
  • 32-Position Logarithmic Scale with Digital Control.
  • Low Noise Constant Frequency Operation.
  • 33% Less Input Current Than Doubler Charge Pump.
  • High Accuracy Brightness Matching.
  • Small.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
Advanced Analogic Technologies Logo AAT3113 High Efficiency 1.5X Fractional Charge Pumps For White LED Applications Advanced Analogic Technologies

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