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interleaved PFC boost converter

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victor001

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I am designing an interleaved PFC boost converter to convert 220vac to 400vdc, the fuse keeps breaking anytime I apply PWM to the gate of the MOSFET, I have tried reducing the duty cycle of the PWM it still keeps breaking my fuse and damaging my MOSFET.
let me attach the circuit.
Thank you.
 

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I think design is an overstatement. It looks more like 'copy & paste'. Good luck with that, assuming you survive the initial debug phase.
 
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