TPS61177A Datasheet (Texas Instruments)

TPS61177A, WLED Driver

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 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 Frequency

* Adaptive Boost Output to WLED Voltages

* 100-Hz to 25-kHz Wide Input PWM Dimming Frequency Range