Thread: 12V DC to 9V DC
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Dave Plowman (News) Dave Plowman (News) is offline
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Default 12V DC to 9V DC

In article ,
Bart Bervoets wrote:
Power resistor or voltage regulator?
Anyone a simple diagram?(if i need one)
Draw is about 1A but i would like to have some tolerance.


Regulator. Probably something like an L78S09CV which is a 2 amp type. Do a
search on it and you'll find a data sheet which will give the circuit
diagram. Additional components are two electrolytics, two disc capacitors
and a couple of diodes for extra protection.

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