Tool/software:
Hi,
I am working on sepic conerverter design for below spcification.
Vin 8V to 16V
Vout 21V
Iout 0.75A
Fsw: 400KHz
i am checking MOSFET drain waveform from 8V to 16V. Till 13V VDS signal is ok. when i cross 14V VDS start to double switch again.
attached waveform for the same.
pls suggest what could be the problem in my design.