How to compute the Reset and Clamp circuitry ?
Posted by: Chris on Sat, 08/02/2008
I am designing a universal AC input 21V 3A output using a TOP247Y. This is the first time I design such a switching power supply and I'm not so sure how to design the Clamp and Reset circuitry for that power. I went thru the AN31 but I'm still unable to figure out the components value. Attached is my PIExpert design. Please help me. Regards.