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LM36922 Datasheet Highly Efficient Dual-string White Led Driver

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM36922 Highly Efficient Dual-String White LED Driver LM36922 SNVSA29 – MAY 2015.

General Description

The LM36922 is an ultra-compact, highly efficient, two string white-LED driver designed for LCD display backlighting.

The device can power up to 8 series LEDs at up to 25 mA per string.

An adaptive current regulation method allows for different LED voltages in each string while maintaining current regulation.

Key Features

  • 1 1% Matched Current Sinks Across (Process, Voltage, Temp).
  • 3% Current Sink Accuracy Across (Process, Voltage, Temp).
  • 11-Bit Dimming Resolution.
  • Up to 91.6% Solution Efficiency.
  • Drives from One to Two Parallel LED Strings at up to 28 V.
  • PWM Dimming Input.
  • I2C Programmable.
  • Selectable 500-kHz and 1-MHz Switching Frequency with Optional.
  • 12% shift.
  • Auto Switch Frequency Mode (250 kHz, 500 kHz, 1 MHz).

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LM36922 Distributor