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AS3820 - 16-Channel White LED Controller

General Description

The AS3820 is a 16 channel precision LED controller for use in LCD-backlight panels.

Dynamic power feedback controls the external power supply to guarantee best efficiency.

Key Features

  • include thermal shutdown as well as open and short LED detection. The device is programmable via serial interface. 2 Features.
  • All LED backlight topologies xx No limit of VLED or ILED, device is not exposed to high voltage/high current.
  • Synchronization with TV frame xx VSYNC and HSYNC inputs available as well as a digital PLL integrated(2).
  • Optimum power savings through local dimming xx 16 fully flexible 12 bit PWM generators (period, high time, delay, reverse).

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Other Datasheets by Dialog Semiconductor (now Renesas)

Part Number Description
AS3824 16-Channel White LED Controller
AS3810 16 Channel White LED Driver

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AS3820 16-Channel White LED Controller for LCD Backlight 1 Description The AS3820 is a 16 channel precision LED controller for use in LCD-backlight panels. Dynamic power feedback controls the external power supply to guarantee best efficiency. Built-in safety features include thermal shutdown as well as open and short LED detection. The device is programmable via serial interface.