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AAT1236 Datasheet High Efficiency White LED Drivers

Manufacturer: Skyworks Solutions

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General Description

The AAT1236 is a highly integrated, high efficiency power solution for white LED and keypad backlights in mobile/ portable devices.

It is based on a switching boost converter which steps up the single cell lithium-ion/polymer battery voltage to drive 5 strings of series-connected white LEDs with precision current regulation.

The AAT1236 is capable of driving a total of four LEDs per channel.

Overview

DATA SHEET AAT1236 High Efficiency White LED Drivers for Backlight and Keypad.

Key Features

  • Input Supply Voltage Range: 2.7V to 5.5V.
  • Maximum Boost Output Drive: Up to 24V at 100mA.
  • Up to 85% Efficient Operation.
  • Up to 2MHz Switching Frequency with Small Inductor.
  • User-Programmable Full-Scale LED Current, Up to 30mA.
  • Two-Wire, I2C Compliant Serial Interface.
  • Two Addressable Registers.
  • Independent LED Current Control by Group.
  • Backlight Group B1-B2, 16 Settings.
  • Auxiliary Group A1-A3, 16 Settings.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
Advanced Analog Technology Logo AAT1236 High Efficiency White LED Drivers Advanced Analog Technology

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