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UCC28051 Datasheet Transition Mode Pfc Controller

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design UCC28050, UCC28051, UCC38050, UCC38051 SLUS515G – SEPTEMBER 2002 – REVISED DECEMBER 2015 UCC2805x, UCC3805x.

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

General Description

The UCC38050 and UCC38051 are PFC controllers for low-to-medium power applications requiring compliance with IEC 1000-3-2 harmonic reduction standard.

The controllers are designed for a boost preregulator operating in transition mode (also referred to as boundary-conduction mode or critical conduction-mode operation).

They

Key Features

  • 1 Transition Mode PFC Controller for Low Implementation Cost.
  • Industry Pin Compatibility With Improved Feature Set.
  • Improved Transient Response With Slew-Rate Comparator.
  • Zero Power Detect to Prevent Overvoltage Protection (OVP) During Light Load Conditions.
  • Accurate Internal VREF for Tight Output Regulation.
  • Two UVLO Options.
  • OVP, Open-Feedback Protection, and Enable Circuits.
  • ±750-mA Peak Gate Drive Current.
  • Low S.

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