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AAT3172 - High Current LED Flash Driver Charge Pump

Description

The AAT3172 is a high output current, high efficiency, low noise, low profile charge pump DC/DC converter, ideal for multi-function LED photo-flash applications where solution cost, size, and efficiency are critical.

The dual charge pump in the AAT3172 is capable of delivering 600mA output current.

Features

  • VIN Range: 2.7V to 5.5V.
  • 600mA Output Current.
  • Tri-Mode 1X/1.5X/2X in Current Mode.
  • Voltage Mode Operation: 1.5X, 100mA.
  • Dual Regulated Current Sinks.
  • Current Match Between Current Sinks.
  • 32 Current Steps Set by AS2Cwire.
  • 1μF Input, Output, and Flying Capacitors.

📥 Download Datasheet

Datasheet preview – AAT3172

Datasheet Details

Part number AAT3172
Manufacturer Skyworks
File Size 947.58 KB
Description High Current LED Flash Driver Charge Pump
Datasheet download datasheet AAT3172 Datasheet
Additional preview pages of the AAT3172 datasheet.

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Full PDF Text Transcription

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DATA SHEET AAT3172 High Current LED Flash Driver Charge Pump General Description The AAT3172 is a high output current, high efficiency, low noise, low profile charge pump DC/DC converter, ideal for multi-function LED photo-flash applications where solution cost, size, and efficiency are critical. The dual charge pump in the AAT3172 is capable of delivering 600mA output current. Two current-controlled paths are available for users of dual flash LEDs that prefer current matching. Each LED channel can be easily programmed in 32 steps with a single GPIO output through the AS2Cwire™ (Advanced Simple Serial Control™) interface. This allows smooth transitions and flexible adjustment of brightness in flash or other lighting modes. The tri-mode (1X/1.
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