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Help me design a buck converter

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innovationhut

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Hi guys,

I need to design a buck converter with the following main specs:

Vin = 70v
Vout = 12v

efficiency = 85%

I would be very thankful if you could give the link or some advice on where to start and possibly a circuit for guidance so that I can modify it for my own requirements.

Second question is how to keep in mind the efficiency of the converter when choosing the components.


Thanks in advance.
 

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