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Stepping Down Voltage on a Trailer

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michaeljd38

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I am working on a project where I need 3.6V or less to power an IC chip. The chip will be located near the axle on a trailer. I want to use the 12V power supply provided by the trailer wiring that is used generally for accessories. Can I use a simple DC-DC converter to step down this voltage to 3.6V or less? I don't want to spend a lot of money as it is a prototype project. Is there another, better or more efficient way to step it down?

Thanks for your help!
 
Hi,

If the current isnt too high you might get away with a linear regulator.

For best efficiency you would use a buck converter (step down switcher).
 
For current < 100mA or so a linear regulator would be fine. For current < ~10mA you could use a 3.3V zener and a dropper resistor.
 
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