LM3632A
LM3632A is Single-Chip Backlight manufactured by Texas Instruments.
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SNVSA63A
- APRIL 2015
- REVISED SEPTEMBER 2015
LM3632A Single-Chip Backlight With Bias Power and 1.5-A Flash LED Driver
1 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-m A Maximum Output Current
- Backlight Efficiency Up to 90%
- 11-Bit Exponential or Linear Dimming
- External PWM Input for CABC Backlight
Operation
- LCD Bias Efficiency > 85%
- Programmable Positive LCD bias, 4-V to 6-V, 50- m A Maximum Output Current
- Programmable Negative LCD bias,
- 4-V to
- 6-V,
50-m A Maximum Output Current
- 1.5-A Flash LED Boost
- Flash Efficiency > 85%
- 2.7-V to 5-V Input Voltage Range
2 Applications
- Smart Phone LCD Backlighting and Bias
- Small Tablet LCD Backlighting and Bias
Simplified...