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UCC29950 Datasheet CCM PFC and LLC Combo Controller

Manufacturer: Texas Instruments

General Description

The UCC29950 provides all the control functionality for an AC-to-DC converter with a CCM boost Power Factor Correction (PFC) stage followed by an LLC converter stage.

The controller is optimized to allow ease of use.

Proprietary CCM PFC algorithms enable the system to achieve high efficiency, smaller converter size with high power factor.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community UCC29950 SLUSC18A – SEPTEMBER 2014 – REVISED MARCH 2015 UCC29950 CCM PFC and LLC Combo Controller.

Key Features

  • 1 High Efficiency PFC and Half-Bridge Resonant LLC Combo Controller.
  • Continuous Conduction Mode (CCM) Boost Power Factor Correction.
  • Supports Self-Bias or Auxiliary (external) Bias Mode of Operation.
  • PFC Loops Fully Internally Compensated.
  • PFC Stage Design in 3 Easy Steps (design voltage feedback, current feedback and power stage).
  • Fixed 100-kHz PFC Frequency with Dithering for Ease of EMI Compliance.
  • True Input Power Limit, Independ.