DIY 12V 10AMP SMPS WITH UC3843

Hello guys, so in todays video i have made a 12v 10amp SMPS with the popular IC UC3843. This circuit uses EE35 transformer with an air gap of 0.8mm. The output voltage of this SMPS can be easily adjusted between 11.7v to 14v. I have used a 7N65 N-channel MOSFET, you can use any N channel MOSFET working above 500vdc. I have used MBR20100 diode at the output for rectification. Feel free to ask any questions about the circuit in the video description.
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COMPONENTS LIST





1 X 10K RESISTOR 1/4W
1 X 12K
1 X 22K
1 X 4.7K
1 X 330R
1 X 56R
1 X 330K
2 X 1K
2 X 100K
3 X 10R
1 X 0.22R 1W
1 X 100K 1W
1 X 1K 1W
1 X 1K VARIABLE RESISTOR
1 X 332K/1KV CAPACITOR
1 X 103K/1KV
2 X 102K/1KV
1 X 47UF/50V
1 X 0.1UF 275VAC
1 X 120UF/400V
1 X 222K/50V
1 X 221K/50V
1 X 223K/50v
3 X 1000UF/25V
1 X FR107 DIODE
1 X 4148
1 X RL207
1 X KBP310
1 X MBR20100
1 X 7N65 MOSFET
1 X FILTER INDUCTOR
1 X EMI FILTER
1 X 5D-9 THERMISTOR
1 X 2AMP FUSE
1 X EE35 TRANSFORMER
1 X UC3843



TRANSFORMER DETAILS

PRIMARY - 37 TURNS
SECONDARY - 4 TURNS (3V PER TURN)
AUXILIARY - 6 TURNS
AIR GAP - 0.8M
ALL WIRES - 0.4MM







PCB LAYOUT AND SCHEMATIC

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