Re: power supply


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Posted by Texas Matt on Thursday, March 09, 2006 at 9:42AM :

In Reply to: power supply posted by Doc Dave on Wednesday, March 08, 2006 at 9:12PM :

Well- I can make just about any size (as pertaining to wattage)
Excuse me while I re-affirm how to calculate wattage.

amps X Volts (ex. 2.5 amps on a 12 volt device = 30 watts)

Since no power supply exists which is 100% efficient (this unit is aro 80-90% depending on the power load) it would require more wattage on the input than the 12 volt device needed.

So.....I need to know what 12 volt wattage devices people are interested in operating.

The circuit I have presently is a 100 watt device....but I can go bigger if there is a requirement.



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