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AAT2842 Datasheet High Current Charge Pump

Manufacturer: Skyworks Solutions

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General Description

The AAT2842 is a highly integrated charge pump with dual linear regulators optimized for systems operating with lithium-ion/polymer batteries.

The charge pump provides power for both white LED backlight/keypad and flash.

Up to four backlight LEDs can be driven at up to 30mA each and keypad LEDs can be driven using lower currents set by the S2Cwire interface.

Overview

DATA SHEET AAT2842 High Current Charge Pump with S2CwireTM Control and Dual LDO for Backlight and Flash.

Key Features

  • VIN Range: 2.7V to 5.5V.
  • Tri-Mode Charge Pump:.
  • Drives up to Four Backlight/Keypad and Four Flash LEDs.
  • Separate S2Cwire Control for Backlight/Keypad and Flash Currents.
  • Backlight/Keypad and Flash Current Set by Separate External Resistors.
  • Flash Timer Set with External Capacitor.
  • Up to 2MHz Switching Frequency.
  • Two Linear Regulators:.
  • 200mA Output Current.
  • 200mV Dropout.
  • Output Voltage Adjustable from 1.2V to.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
ANALOGICTECH Logo AAT2842 High-Current Charge Pump ANALOGICTECH

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