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UCC256303 - LLC Resonant Controller Enabling Ultra-Low Standby Power

General Description

The UCC256303 is a fully featured LLC controller with integrated high-voltage gate driver.

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

Key Features

  • 1 Hybrid Hysteretic Control (HHC).
  • Best-in-Class Transient Response.
  • Easy Compensation Design.
  • Optimized Low Power Features Enable 75 mW Standby Power Design with PFC on.
  • Advanced Burst Mode Opto-Coupler Low Power Operation.
  • Helps Enable Compliance to CoC Tier II Standard.
  • Fast Exit from Burst Mode.
  • Improved Capacitive Region Avoidance Scheme.
  • Adaptive Dead-Time.
  • Internal High-Side Gate Drivers (0.6-A and 1.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Product Folder Order Now Technical Documents Tools & Software Support & Community UCC256303 SLUSD49A – SEPTEMBER 2017 – REVISED JANUARY 2019 UCC256303 LLC Resonant Controller Enabling Ultra-Low Standby Power 1 Features •1 Hybrid Hysteretic Control (HHC) – Best-in-Class Transient Response – Easy Compensation Design • Optimized Low Power Features Enable 75 mW Standby Power Design with PFC on – Advanced Burst Mode Opto-Coupler Low Power Operation – Helps Enable Compliance to CoC Tier II Standard • Fast Exit from Burst Mode • Improved Capacitive Region Avoidance Scheme • Adaptive Dead-Time • Internal High-Side Gate Drivers (0.6-A and 1.