UCC28742 (ACTIVE) High-Efficiency Flyback Controller With Optocoupler Feedback


Models (1)

Title Category Type Size (KB) Date Views
UCC28742 SIMPLIS Model (Rev. A) Spice Model ZIP 840 KB 08 Jun 2018 0 views

Design kits & evaluation modules (1)

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

Reference designs

TI Designs Reference Design Library is a robust reference design library spanning analog, embedded processor and connectivity. Created by TI experts to help you jump start your system design, all TI Designs include schematic or block diagrams, BOMs and design files to speed your time to market. Search and download designs at ti.com/tidesigns

TI Designs

AC input, 5-V/2-A and 12-V/2.5-A dual-output flyback converter reference design

This reference design is a 40-W dual-output offline converter using UCC28742, a secondary side regulator. A 5-V rail is regulated to within ±1% precision and cross regulation of 12-V rail is within -8%~+14% at 25% to 100% load. The design adopts a single-layer PCB for cost optimization. The (...)

View the Important Notice for TI 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