Vbias current in TOP2xx flyback power supply
Forums: AC-DC Conversion Forum
Hi guys, I have a question, why PI expert is finding 2x#AVG25 in parallel for bias secondary? Diode is 4148, cap is 10uF, the only load is optocoupler output. Why is that? I strongly believe is a PI bug, but this is affecting trafo size or fitting all the copper