LM36922
Overview
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.
- 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)
- Four Configurable Overvoltage Protection Thresholds (17 V, 21 V, 25 V, 29 V)
