LP8551
LP8551 is High-Efficiency LED Backlight Driver manufactured by Texas Instruments.
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SNVS673E
- APRIL 2010
- REVISED SEPTEMBER 2014
LP8551 High-Efficiency LED Backlight Driver for Notebooks
1 Features
- 1 High-Voltage DC/DC Boost Converter with Integrated FET; Four Switching Frequency Options: 156/312/625/1250 kHz
- 2.7-V to 22-V Input Voltage Range to Support 1x to 5x Cell Li-Ion Batteries
- 50-mA High-Precision LED Current Sinks
- Adaptive LED Current Sink Headroom Control for
Maximum System Efficiency
- Programmable PWM Resolution 8 to 13 Bits
- I2C and PWM Input Duty Cycle Brightness Control
- PWM Output Frequency and LED Current Set
Through Resistors
- 4 LED Outputs with...
