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FHCM

Category: Hardware
Product Number: LT8708

Hello  Im trying to make a DC-DC converter VIN>>VOUT 

With VIn can range from 9-63V (for lithium battery systems) with a stable 13.4V out to power a orion Jr BMS and a fault contactor board.

This is for a uni project so im not used to using LTspice, my issue is M4 switch isnt turning on, Do I need to have a bypass diode over M4 till Vout get upto voltage and RL starts drawing some current?

ive been currently messing around with it on 24V but nothing on Vout 

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