LM36922 Description
The LM36922 is an ultra-pact, 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.
LM36922 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
- PWM Dimming Input
- I2C Programmable
- Selectable 500-kHz and 1-MHz Switching
- Auto Switch Frequency Mode (250 kHz, 500 kHz
- Four Configurable Overvoltage Protection