LM36273
Overview
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.
- 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
- 2.7-V to 5-V Input Voltage Range
