UCC25710 Overview
Description
The UCC25710 device is an LLC half-bridge controller for accurate control of multi-string LED backlight applications. It is optimized for multitransformer, multi-string LED architectures.
Key Features
- 1 Closed-Loop LED String Current Control
- PWM Dimming Input
- Adjustable FMIN (3% accuracy), and FMAX (7.5% Accuracy)
- LLC and Series LED Switch Control for Dimming
- Programmable Dimming LLC ON/OFF Ramp for Elimination of Audible Noise
- Closed-Loop Current Control at Low Dimming Duty Cycles
- Programmable Soft Start
- Accurate VREF for Tight Output Regulation
- Overvoltage, Undervoltage and Input Overcurrent Protection With Auto-Restart Response
- Second Overcurrent Threshold With Latch-Off Response
