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Constant-Voltage, Constant-Current Flyback Controller Using Opto-Coupler Feedback


Models (1)

Title Category Type Date
UCC28740 SIMPLIS Transient Model (Rev. A) SIMPLIS Model ZIP 07 Jan 2019

Design kits & evaluation modules (2)

Name Part# Type
UCC24630 65W AC/DC Adapter UCC24630EVM-636 Evaluation Modules & Boards
UCC28740EVM-525 Evaluation Module UCC28740EVM-525 Evaluation Modules & Boards

Reference designs

SAE J1772-compliant electric vehicle service equipment reference design for level 1 and 2 EV charger

This reference design highlights an ultra-low standby isolated AC/DC auxiliary power stage followed by converters and linear regulators, a comparator-based control pilot interface to meet the SAE J1772 standard, an  efficient relay and contactor drive and isolated line voltage sensing across (...)

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

Description Part Number Company Tool Type
85 to 265VAC Input 4W Dual Output 12 and 3.3V Flyback Reference Design PMP9213 Texas Instruments Reference designs
Universal AC Input 14V/2.4A Flyback With 88% Efficiency Reference Design PMP9144 Texas Instruments Reference designs
Universal AC Input 5V/2A USB Adaptor with DCM/Valley-Switching and Opto Feedback Reference Design PMP9204 Texas Instruments Reference designs

Software (1)

UCC28740 Design Calculator (Rev. B)  (ZIP 317 KB )    06 Apr 2016  

WEBENCH ® Designer UCC28740

 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