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Do I need to protect buck converter when switching to alternate power source?
Noob question here; please pardon my ignorance. I am trying to power some 12v devices, (e.g. Peltier cooling device and fan ~4A), optionally from one of two power sources:
12v DC In
DROK Waterproof ...
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1
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Need circuit for 12 volt 2 Amp step down power supply from 18 volt 1.5 Amp Input
I have a power supply which outputs 18v 1.5 amp. For the purpose of my project, I need a 12v 2 amp power supply. I was wondering, if I can make a simple buck converter to convert 18v 1.5amp DC to 12v ...