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UCC24612 Datasheet High Frequency Synchronous Rectifier Controller

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & munity UCC24612 SLUSCM5A – AUGUST 2017 – REVISED FEBRUARY 2018 UCC24612 High Frequency Synchronous Rectifier Controller.

General Description

UCC24612 is a high performance synchronous rectifier controller and driver for standard and logiclevel N-channel MOSFET power devices.

By implementing a near-ideal diode emulation UCC24612 reduces losses of the output rectifier and indirectly the primary side losses.

The drain to source (VDS) sensing control scheme allows UCC24612 to work with multiple topologies, such as Active Clamp Flyback, QR/DCM/CCM Flyback and LLC, et.

Key Features

  • 1 Supports Topologies such as Active Clamp Flyback, QR, DCM, CCM Flyback and LLC.
  • MOSFET VDS Sensing up to 230 V.
  • Operating Frequency Up to 1 MHz.
  • 1 MHz for UCC24612-1.
  • 800 kHz for UCC24612-2.
  • Wide VDD Range Allows for Direct Bias from 5-V to 28-V Output Systems.
  • 4-A Sink, 1-A Source Gate Driver with Proportional Gate Drive.
  • Adaptive Minimum Off-time for Increased Noise Immunity.
  • Cycle Limit Pre-Turn-off Improves Ef.

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