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UCC256404 Datasheet Llc Resonant Controller

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & Community UCC256402, UCC256403, UCC256404 SLUSD90C – JUNE 2019 – REVISED MARCH 2020 UCC25640x LLC Resonant Controller with Ultra-Low Audible Noise.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The UCC25640x is a fully featured LLC controller with integrated high-voltage gate driver.

It has been designed to pair with a PFC controller to provide a complete power system using a minimum of external components.

The resulting power system is designed to meet the most stringent requirements for standby power without the need for a separate standby power converter.

Key Features

  • 1 Optimized low power mode and burst mode algorithm.
  • Burst mode with Soft-ON and Soft-OFF periods.
  • Minimized audible noise at no load and standby.
  • User option to disable burst mode.
  • Opto-coupler low power operation.
  • Efficiency performance exceeds DoE Level VI and EU CoC Tier-2 External Power Supply Standards.
  • Hybrid hysteretic control (HHC).
  • Best-in-class transient response.
  • Fast exit from burst mode.
  • Robus.

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