emiljose88
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i try to do a 12v 10A smps using forward topology. The ic used is UC3842. instruments. the mosfet used is 8n80 (fairchild). The gate waveform is not correct. it has some spikes,the supply is steady. so the mosfet is getting hot.
Input voltage= 150vac-275Vac
Output voltage=12Vdc
Output current=10A
Frequency(switching)=115KHz
bobbin-etd34
Here i attached the circuit diagram
how can i solve it???????????????
View attachment 12v 10a.pdf
Input voltage= 150vac-275Vac
Output voltage=12Vdc
Output current=10A
Frequency(switching)=115KHz
bobbin-etd34
Here i attached the circuit diagram
how can i solve it???????????????
View attachment 12v 10a.pdf
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