SLUAAN0
December 2022
TPS62933F
Designing a Simple and Low-Cost Flybuck Solution With the TPS62933F
Trademarks
1
Introduction
2
Flybuck Converter Device Overview
2.1
Operation Description
2.2
Equations for Maximum Output Current
3
Design Flybuck With TPS62933F
3.1
Primary Voltage and Turns Ratio
3.2
Feedback Resistor
3.3
Rectifier Diode
3.4
Primary Inductance
3.5
Primary Turns
3.6
Input and Output Capacitor
3.7
Pre-Load
3.8
Factors Affecting Voltage Regulation
3.9
Avoiding Low-Side Sink Current Limit
4
Experimental Results
5
Conclusion
6
References
6
References
Texas Instruments,
TPS6293x 3.8-V to 30-V, 2-A, 3-A Synchronous Buck Converters in a SOT583 Package
, data sheet
Texas Instruments,
Designing an Isolated Buck (Flybuck) Converter
, application report
Texas Instruments,
Design a Flybuck Solution With Optocoupler to Improve Regulation Performance Create an Inverting Power Supply
, application note
Texas Instruments,
Creating a Split-Rail Power Supply With a Wide Input Voltage Buck Regulator
, application note