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UCC28056 Datasheet 6-Pin Single-Phase Transition-Mode PFC Controller

Manufacturer: Texas Instruments

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General Description

The UCC28056 device drives PFC boost stages based on an innovative mixed mode method that operates in transition mode (TM) at full load and transitions seamlessly into discontinuous conduction mode (DCM) at reduced load, automatically reducing switching frequency.

This device incorporates burst mode operation to further improve light load performance, enabling systems to meet challenging energy standards while eliminating the need to switch off the PFC.

UCC28056 can drive a PFC power stage up to 300 W, ensuring sinusoidal line input current with lo

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community UCC28056 SLUSD37D – OCTOBER 2017 – REVISED JULY 2019 UCC28056 6-Pin Single-Phase Transition-Mode PFC Controller.

Key Features

  • 1 Ultra-low no-load input power enables < 80-mW standby power at 230 VAC in PFC+LLC system.
  • Excellent light load efficiency and high efficiency over wide range of load due to multi-mode TM and DCM control.
  • Enables low system cost through FET Drain valley synchronized turn-on which eliminates need for second winding on the boost inductor.
  • Enables compliance to green power standards without disabling PFC.
  • EuP Lot 6 Tier 2, CoC Ver. 5 Tier 2, Energy Star.

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