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Original question:

UCC28711: UCC28711

UCC28711: 400- to 690-V AC Input 50-W Flyback Isolated Power Supply Reference Design for Motor Drives

seungpyo kang
Prodigy 90 points
Part Number: UCC28711

Tool/software:

Hello! I'm curious about what elements need to be changed and if there are any reference materials available if you want to increase the capacity to 100W in the topology of a 400- to 690-V AC Input 50-W Flyback Isolated Power Supply Reference Design for Motor Drives.

Also, if you're considering changing 2 FETs to SiC, it seems that selecting TVS and capacitor values is important when designing surrounding circuits. I wonder if there are any reference materials available for this case.