Getting +5 +12 and -12 VDC

W

Wes00

New Member

• Jan 25, 2005

• #1

I'm Getting the +5 and +12 by using an 16VDC AC to DC wall plug and feeding it to fixed voltage regulaors. The problem is getting tthe -12. The regulator requires a negative voltage input, and I would hate to have to use 2 ACDC plugs.

 

Sebi

Active Member

• Jan 25, 2005

• #2

Don'forget the 100nF decoupling caps for in- and output terminals...

 

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2PAC Mafia

Member

• Jan 26, 2005

• #3

Hello,

if you only have the 16Vdc output from the wall plug you can use the ICL7660CPA integrated circuit, but with this one using an input voltage from +1,5 to +10 Vdc you can get the negative output from -1,5 to -10 Vdc...

 

TheOne

New Member

• Jan 26, 2005

• #4

https://www.electro-tech-online.com...-amp-zero-crossing-detector.13530/#post-72636

 

W

Wes00

New Member

• Jan 26, 2005

• #5

Thanks for the help

I've looked at the ICL7662 that could give me the -16, and the applications found in the specs are for what I want to do. Now I have to find a place that sales it near me. :wink:

 

bonxer

New Member

• Jan 26, 2005

• #6

https://www.jameco.com/webapp/wcs/s...toreId=10001&catalogId=10001&productId=147475

Those things look pretty sweet. Might have to get myself some.