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AAT2430B - 16 Channel White LED Driver

General Description

The AAT2430B 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 @ RSET = 3.01kΩ.
  • ±1.5% Matching @ RSET = 3.01kΩ.
  •  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 (.

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Full PDF Text Transcription for AAT2430B (Reference)

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PRODUCT SUMMARY AAT2430B 16 Channel White LED Driver Solution with LED Current and Timing Control General Description The AAT2430B is a highly integrated, high efficiency...

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neral Description The AAT2430B 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 AAT2430B 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.