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AAT2430A - Sixteen-Channel White LED Driver Solution

General Description

The AAT2430A is a highly integrated, high efficiency white LED backlight solution for large size LCD panels used in LCD TVs.

Key Features

  • VIN Range: 10.8V.
  • 28V.
  • 16 Programmable LED Current Sinks.
  • ±1.5% Accuracy @ 25°C.
  • ±1.5% Matching @ 25°C.
  • SPI Interface.
  • Digitally Programmable Individual Channels.
  • Up to 15MHz Clock Speed.
  • Read/Write Registers.
  • High Resolution Digital Control for Individual Channels.
  • 12-Bit Resolution Grayscale PWM Brightness.
  • 12-Bit Resolution Channel Phase Delay.
  • 8-Bit Resolution Global Current Setting (Dot Correction).

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PRODUCT SUMMARY AAT2430A Sixteen-Channel White LED Driver Solution with LED Current and Timing Control General Description The AAT2430A is a highly integrated, high effic...

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ol General Description The AAT2430A is a highly integrated, high efficiency white LED backlight solution for large size LCD panels used in LCD TVs. By controlling external power MOSFETs (such as the Skyworks' AAT2491 high-voltage TrenchDMOS array), the AAT2430A facilitates 16 current sink channels to provide precision, constant-current drive for strings of white LEDs, where the number of series-connected LEDs per string is only limited by the system LED voltage supply.