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Problem in Buck converter simulation in simulink

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Muqaddas
Muqaddas on 16 Apr 2013
Closed: Sabin on 23 Dec 2022
Hi friends,
I have a little confusion simulationg simple buck converter circuit in simulink. The mdl file is shared here: https://www.dropbox.com/s/m31qj3yag6gq1y6/buck_mj.mdl Questions:
1 - Why do I see Buck output after around 10 seconds?
2 - Main voltage supply is 10 volts, why does the output voltage go to around 12-14 volts with spikes? Is it because of the random RLC values that I have chosen for my converter? Is there a way I can make it stable?
Your help will be appreciated. Thanks!

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