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AAT3114 - High Efficiency 1.5X Fractional Charge Pumps

Download the AAT3114 datasheet PDF (AAT3113 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for high efficiency 1.5x fractional charge pumps.

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.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AAT3113-SkyworksSolutions.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number AAT3114
Manufacturer Skyworks Solutions
File Size 682.55 KB
Description High Efficiency 1.5X Fractional Charge Pumps
Datasheet download datasheet AAT3114 Datasheet

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Full PDF Text Transcription

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DATA SHEET AAT3113/3114 High Efficiency 1.5X Fractional Charge Pumps for White LED Applications 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. Skyworks' Simple Serial Control (S2Cwire™) interface is used to enable, disable, and set the LED drive current for 32-level logarithmic scale LED brightness control.
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