Hi
i use VIPER37LD chip to build ac dc convert
i need help understand the CONT and BR pin(in chip)
and how i build a feedback line in output(i mean to FB pin)
thanks

 

Start by looking at the datasheet..

Genius.. why doesn't everyone know to do that..

 

Most likely many people are intimidated by datasheets.

 

Datasheet helps you loads


http://www.st.com/web/en/resource/technical/document/datasheet/DM00038256.pdf