TPS61177A Description
The TPS61177A device provides a highly integrated white LED (WLED) driver solution for notebook LCD backlight. This device has a built-in high-efficiency boost regulator with integrated 1.8-A, 40-V power MOSFET. The six current sink regulators provide high precision current regulation and matching.
TPS61177A Key Features
- 1 2.5-V to 24-V Input Voltage Range
- 39-V Maximum Output Voltage
- Integrated 1.8-A, 40-V MOSFET
- 450-kHz to 1.2-MHz Programmable Switching
- Adaptive Boost Output to WLED Voltages
- 100-Hz to 25-kHz Wide Input PWM Dimming
- 1% Minimum Dimming Duty Cycle
- Small External ponents
- Integrated Loop pensation
- Six Current Sinks of 30 mA Maximum