SLVAF37
January 2021
ATL431LI
Trademarks
1
Introduction
1.1
TL431 as a Type-2 Amplifier
1.2
TL431 Solution with Isolation
2
Design Procedures
2.1
Design Considerations for Optocoupler
2.2
Design Considerations for Biasing Circuit
2.3
Schematic Analysis and Waveforms
3
Summary
4
References
4
References
Using the TL431 in a Power Supply,
Dr. Ray Ridley, Ridley Engineering.
Texas Instruments,
Designing with the ATL431LI in Flyback Converters
application report.
Texas Instruments,
Compensation Design with TL431 for UCC28600
application report.
Texas Instruments,
Setting the Shunt Voltage on an Adjustable Shunt Regulator
application report.
Electronicsbeliever.com
design analysis articles.
Texas Instruments,
Designing with the Improved TL431LI
application report.
Texas Instruments,
Using the TL431 for Undervoltage and Overvoltage Detection
application report.
Texas Instruments,
UCC25640x LLC Resonant Controller with Ultra-Low Audible Noise and Standby Power
data sheet.
Texas Instruments,
UCC28740-Q1 Ultra Low Standby, Flyback Controllerfor Automotive, with Integrated HV Startup and Optocoupler Feedback
data sheet.