Recent content by d52perry

I tried to set it up for 100KHZ with the right resistor. The scope showed a much lower frequency. Then I changed it to the recommended resistor of 100K. This was suppose to yield 65 Khz. I got more like 20. Primary was 2 #26awg 14 turns Secondary 6 #26 4 turns Aux 1#26 5 turns. I checked my...

I am a nub is smps and just completed my first breadboard isolated smps with 24 volt input. I used the SG6848D controller from Ebay. Anyone has any suggestions for a better IC. Just some details Input voltage 24 volts Output 5. Used an opto coupler for feedback. The transformer seems to work...