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Zero Standby PSR Flyback Controller with CVCC and Wake-Up Monitoring


Models (1)

Title Category Type Date
UCC28730 & UCC24650 PSpice Transient Model PSpice Model ZIP 29 Feb 2016

Design kits & evaluation modules (1)

Name Part# Type
UCC28730 Primary Side Flyback Controller with UCC24650 Secondary Side Wake Up UCC28730EVM-552 Evaluation Modules & Boards

Reference designs

15W Dual Isolated Output Bias Power Supply with 4mW Zero Standby Power Consumption Reference Design

This reference design is a 15-W bias power supply with two isolated outputs (12 V/1.125A and 3.3 V/0.3A) and a total standby power consumption of 4 mW under a 220-V AC input. The controller uses primary-side regulation (PSR) and detects a wake-up signal from the UCC24650 secondary-side voltage-droop (...)

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

Software (1)

UCC28730 Design Calculator (Rev. A)  (ZIP 77 KB )    04 Dec 2017  

WEBENCH® Designer UCC28730

 AC  DC  
AC Frequency  60 Hz  50 Hz
Use Isolated Output?
  Min   Max Range
VinRMS  V 85.00 to 480.00V
Vout  V 3.3 to 22V
Iout  A ≤ 10A
Ambient Temp  °C -40 to 125°C