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Old 07-30-2009, 12:21 AM   #1
CTScott
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Use an LM2940T-10.0 voltage regulator (which is a 10V fixed output regulator). It's a three pin device (input, ground, and output). That, a 0.47uF capacitor on the input to ground, and a 22uF (or higher) capacitor on the output to ground and you are good to go.

http://search.digikey.com/scripts/Dk...M2940T-10.0-ND

The datasheet shows the application example on the first page:
http://www.national.com/ds/LM/LM2940.pdf
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Old 07-30-2009, 04:14 PM   #2
talnlnky
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Quote:
Originally Posted by CTScott View Post
Use an LM2940T-10.0 voltage regulator (which is a 10V fixed output regulator). It's a three pin device (input, ground, and output). That, a 0.47uF capacitor on the input to ground, and a 22uF (or higher) capacitor on the output to ground and you are good to go.

http://search.digikey.com/scripts/Dk...M2940T-10.0-ND

The datasheet shows the application example on the first page:
http://www.national.com/ds/LM/LM2940.pdf
Scotts post above would probably be a good option. I like the idea of you skipping the 120v transformer because that will help keep efficiency up, and heat generation from electronics down. It will be more work however.
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