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AAT2428 Datasheet Sixteen-Channel White LED Driver Solution

Manufacturer: Skyworks Solutions

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General Description

The AAT2428 is a highly integrated, high efficiency white LED backlight solution for large size LCD panels used in LCD TVs.

Integrated precision current sinks provide drive for up to 16 LED channels.

The IC has user programmable options for current sinks to be controlled globally, in banks of 2, or 4 LED groups.

Overview

PRODUCT SUMMARY AAT2428 Sixteen-Channel White LED Driver Solution with LED Current and Timing Control.

Key Features

  • VIN Range: 10.8V.
  • 28V.
  • 16 Programmable LED Current Sinks.
  • ±1.5% Accuracy @ 25°C (101.72mA).
  • ±2.0% Matching @ 25°C (101.72mA).
  • SPI Interface.
  • Digitally Programmable LED Channels.
  • LED Bank Control Options -- 1 (all 16 channels) -- 2 (2 x 8 Channels) -- 4 (4 x 4 Channels).
  • Up to 15MHz Clock Speed.
  • Read/Write Registers.
  • High Resolution Digital Control of LED Banks.
  • 12-Bit Resolution Gr.

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