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A8512 Datasheet LED Backlight Driver

Manufacturer: Allegro Micro Systems

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Datasheet Details

Part number A8512
Manufacturer Allegro Micro Systems
File Size 2.01 MB
Description LED Backlight Driver
Download A8512 Download (PDF)

General Description

The A8512 is a multi-output WLED/RGB driver for backlighting LCD monitors and televisions.

It integrates a boost controller to drive external MOSFET, and six internal currentsinks.

The boost converter operates in constant frequency (programmable) current mode control.

Overview

A8512 LED Backlight Driver for LCD Monitors and Televisions.

Key Features

  • Six integrated high current sinks.
  • Fixed frequency current mode control with integrated gate driver.
  • 300 kHz to 1 MHz adjustable switching frequency.
  • Controlled startup using options of Enable, PWM signal, or battery voltage ramp.
  • Parallel operation with one boost controller (master) and up to five slave controllers.
  • Active current sharing between LED strings for ±0.6% accuracy and matching.
  • No audible MLCC noise during PWM dimming.
  • Adjustable overvoltage.

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