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UCC25710 Datasheet Llc Half-bridge Controller

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design UCC25710 SLUSAD7B – APRIL 2011 – REVISED JULY 2016 UCC25710 LLC Half-Bridge Controller For Multi-String LED Lighting.

General 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.

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.

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