Datasheet Texas Instruments UCC25710DW — Datenblatt

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SLUSAD7B – APRIL 2011 – REVISED JULY 2016 UCC25710 LLC Half-Bridge Controller For Multi-String LED Lighting
1 Features 3 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.
Compared to existing LED backlight solutions, the
multi-transformer architecture provides the highest
overall efficiency from AC input to LED load. 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 …