TPS61197 Datasheet - Texas Instruments

TPS61197 Single-String White-LED Driver

The TPS61197 provides highly integrated solutions for LCD TV backlighting. This device is a currentmode boost controller driving one WLED string with multiple LEDs in series. The TPS61197 adjusts the output voltage of the boost controller automatically to provide only the minimum voltage required by.

TPS61197 Features

* 1 8-V to 30-V Input Voltage

* 50-kHz to 800-kHz Programmable Switching Frequency

* Adaptive Boost Output to White-LED Voltage

* High-Precision PWM Dimming Resolution up to 5000:1

* Programmable Overvoltage Protection Threshold at Output

* Programmable

TPS61197-etcTI.pdf