This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

UCC28750: The feedback design of UCC28750

Part Number: UCC28750
Other Parts Discussed in Thread: TL431

Tool/software:

Hi,

I'm using UCC28750 for my flyback topology power.

The feedback is TL431+optocoupler. I want to know the value of Vref.

And please provide some application notes or other about the design of feedback circuit.

Thanks.