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700-V Lowest Quiescent Current Off-Line Switcher


Models (1)

Title Category Type Date
UCC28881 PSpice Transient Model PSpice Model ZIP 11 Dec 2015

Design kits & evaluation modules (1)

Name Part# Type
UCC28881 Offline High-Side Buck Converter Evaluation Module UCC28881EVM-680 Evaluation Modules & Boards

Reference designs

HV AC-DC buck converter reference design with ultra wide input voltage range

This is a reference design of an ultra-wide input range (20.4 Vac to 276 Vac) AC-DC Buck converter. Using the UCC28881 controller, we only need minimum number of discrete components as main switch and high voltage startup circuits (with low quiescent current needed) are already integrated in the (...)

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

Software (1)

UCC28881 Design Calculator (Rev. B)  (ZIP 174 KB )    05 Jan 2018  

WEBENCH ® Designer UCC28881

 AC  DC  
AC Frequency  60 Hz  50 Hz
Topology Option
  Min   Max Range
VinRMS -  V 24.00 to 400.00V
Vout  V 3.0 to 24.0V
Iout  A ≤ 0.225A
Ambient Temp   °C -40 to 125 °C