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LM36922H - Highly Efficient Dual-String White LED Driver

General Description

The LM36922H is an ultra-compact, highly efficient, two-string white-LED driver designed for LCD display backlighting.

The device can power up to 12 series LEDs at up to 25 mA per string.

Key Features

  • 1 1% Matched Current Sinks Across Process, Voltage, Temperature.
  • 3% Current-Sink Accuracy Across Process, Voltage, Temperature.
  • 11-Bit Dimming Resolution.
  • Up to 90% Solution Efficiency.
  • Drives from One to Two Parallel LED Strings at up to 38 V at 25 mA per String.
  • PWM Dimming Input.
  • I2C Programmable.
  • Selectable 500-kHz and 1-MHz Switching Frequency With Optional.
  • 12% shift.
  • Auto Switch Frequency Mode (250 kH.

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Other Datasheets by Texas Instruments

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LM36922 Highly Efficient Dual-String White LED Driver
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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 Sample & Buy Technical Documents Tools & Software Support & Community LM36922H SNVSAF2A – FEBRUARY 2016 – REVISED FEBRUARY 2016 LM36922H Highly Efficient Dual-String White LED Driver 1 Features •1 1% Matched Current Sinks Across Process, Voltage, Temperature • 3% Current-Sink Accuracy Across Process, Voltage, Temperature • 11-Bit Dimming Resolution • Up to 90% Solution Efficiency • Drives from One to Two Parallel LED Strings at up to 38 V at 25 mA per String • 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) • Four Configurable Overvoltage Protection Thresholds (17 V, 24 V, 31 V, 38 V) • Four Configurable Overcurrent Protection Thresholds (750 mA, 1000