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700V Flyback Switcher with Constant-Voltage Constant-Current and Primary-side Control


Design kits & evaluation modules (2)

Name Part# Type
UCC28910FBEVM-526 Evaluation Module UCC28910FBEVM-526 Evaluation Modules & Boards
UCC28911 Evaluation Module UCC28911EVM-718 Evaluation Modules & Boards

Reference designs

12-V/30-mA output, high-efficiency neutral-less upside-down buck AC/DC power supply reference design

This reference design uses the UCC28910 in an upside-down buck topology to make a 12-V output capable of 30-mA loading from a 120-Vac input. The design achieves more than 70% efficiency at full loading. All components are placed on one side of the board to reduce assembly complexity and cost. The (...)

View the Important Notice for reference designs covering authorized use, intellectual property matters and disclaimers.

Software (1)

UCC28910 Design Calculator (Rev. B)  (ZIP 91 KB )    25 Jan 2017  

WEBENCH® Designer UCC28910

 AC  DC  
AC Frequency  60 Hz  50 Hz
Use Isolated Output?
  Min   Max Range
VinRMS  V 15.00 to 305.00V
Vout  V 3.3 to 25V
Iout  A ≤ 2.5A
Ambient Temp  °C -40 to 125°C