LM3632A Overview
The LM3632A integrates the WLED drivers for both the backlight of the LCD panel and the camera flash along with the bias power for the LCD panel into one device. The device has all the safety.
LM3632A Key Features
- 1 Drives up to Two Strings of Typically Eight LEDs in Series
- Integrated Backlight Boost with 29-V Maximum Output Voltage
- Two Low-Side Constant-Current LED Drivers with 25-mA Maximum Output Current
- Backlight Efficiency Up to 90%
- 11-Bit Exponential or Linear Dimming
- External PWM Input for CABC Backlight
- LCD Bias Efficiency > 85%
- Programmable Positive LCD bias, 4-V to 6-V, 50
- Programmable Negative LCD bias, -4-V to -6-V
- 1.5-A Flash LED Boost