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UCG28826 Datasheet Self-biased High Frequency Qr Flyback Converter

Manufacturer: Texas Instruments

Overview: UCG28824, UCG28826, UCG28828 SLUSFF2C – SEPTEMBER 2023 – REVISED DECEMBER 2025 UCG2882x Self-Biased High Frequency QR Flyback Converter With Integrated GaN.

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

General Description

UCG2882x is a high frequency, quasi-resonant flyback converter with a built-in 750V GaN high electron mobility transistor (HEMT) with as low as 170mΩ Rds(on) for AC to DC power conversion.

The UCG2882x is designed for high power density applications, such as cell phone fast chargers and notebook adapters.

The

Key Features

  • Integrated 750V GaN with 170mΩ Rds(on) option.
  • Dynamic QR/DCM/CCM modes of operation.
  • High power density: up to 500kHz switching frequency.
  • Enable low BoM cost by integration.
  • Remove auxiliary winding with self bias.
  • Integrated input and output voltage sensing.
  • Integrated current sense.
  • Integrated HV start-up.
  • Integrated X-cap discharge.
  • High efficiency and low EMI performance.
  • Ultra-low standby p.

More Datasheets from Texas Instruments

Part Number Description
UCG28824 Self-Biased High Frequency QR Flyback Converter
UCG28828 Self-Biased High Frequency QR Flyback Converter

UCG28826 Distributor