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High-Efficiency Flyback Controller With Optocoupler Feedback


Models (1)

Title Category Type Date
UCC28742 SIMPLIS Model (Rev. A) SIMPLIS Model ZIP 08 Jun 2018

Design kits & evaluation modules (1)

Name Part# Type
UCC28742 10W AC/DC Converter Evaluation Module UCC28742EVM-001 Evaluation Modules & Boards

Reference designs

60-W, Ultra-wide range power supply reference design

This reference design provides a 12-Vdc, 5-Vdc, and 3.3-Vdc output from an ultra-wide range of both AC and DC inputs. A universal 85 to 265-Vac input can be applied to the input of the quasi-resonant flyback. For DC inputs ranging from 24 to 150-Vdc, a boost creates a 150-V bus voltage that is fed (...)

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

Software (1)

UCC28742 Design Calculator (Rev. B)  (ZIP 301 KB )    15 Apr 2019  

WEBENCH ® Designer UCC28742

 AC  DC  
AC Frequency  60 Hz  50 Hz
Use Isolated Output?
Rectification Type
  Min   Max Range
VinRMS -  V
Vout  V
Iout  A
Ambient Temp  °C