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how do you make a 12vdc power source for a 12vdc automobile system with(13.8vdc)? Answered

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steveastrouk

8 years ago

If it HAS to be 12.00 V, then you use a low drop-out 12V regulator Steve

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orksecuritysteveastrouk

Answer 8 years ago

... though most automotive electronics is designed to tolerate some variation above and blow the normal 12V range. Don't forget that you may also have to filter noise out of your 13.8V source.