UCC25710 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. Superior LED current matching in multiple strings can be achieved with this controller and architecture.
UCC25710 Key Features
- 1 Closed-Loop LED String Current Control
- PWM Dimming Input
- Adjustable FMIN (3% accuracy), and FMAX (7.5%
- LLC and Series LED Switch Control for Dimming
- Closed-Loop Current Control at Low Dimming
- Programmable Soft Start
- Accurate VREF for Tight Output Regulation
- Overvoltage, Undervoltage and Input Overcurrent
- Second Overcurrent Threshold With Latch-Off
- 400-mA/-800-mA Gate Drive Current
UCC25710 Applications
- LED Backlight for LCD TV and Monitors