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LM36273 - Three-Channel LCD Backlight Driver

Description

The LM36273 is an integrated three-channel WLED driver and LCD bias supply.

The ultra-compact size, high efficiency, high level of integration, and programmability allow the LM36273 to address a variety of applications without the need for hardware changes while minimizing the overall solution area.

Features

  • 1 Drives up to Three Parallel White LED Strings (29-V Maximum VOUT).
  • 11-Bit Exponential and Linear Dimming Control.
  • PWM and I2C Brightness Control.
  • Backlight Operation With 4.7-µH to 15-µH Inductor.
  • Backlight and LCD Bias Efficiency up to 92%.
  • Programmable LCD Bias Voltages (±4 V to ±6.5 V With 50-mV resolution) With Up to 80-mA per Output.
  • 0.2% Matched LED Current From 60 µA to 30 mA.
  • 1% Accurate LED Current From 60 µA to 3.

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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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Product Folder Order Now Technical Documents Tools & Software Support & Community LM36273 SNVSAJ8D – FEBRUARY 2016 – REVISED MARCH 2018 LM36273 Three-Channel LCD Backlight Driver With Integrated Bias Power 1 Features •1 Drives up to Three Parallel White LED Strings (29-V Maximum VOUT) • 11-Bit Exponential and Linear Dimming Control • PWM and I2C Brightness Control • Backlight Operation With 4.7-µH to 15-µH Inductor • Backlight and LCD Bias Efficiency up to 92% • Programmable LCD Bias Voltages (±4 V to ±6.5 V With 50-mV resolution) With Up to 80-mA per Output • 0.2% Matched LED Current From 60 µA to 30 mA • 1% Accurate LED Current From 60 µA to 30 mA • 2.
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