DC to DC powersupplys

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Article #20040

#20040

From: Thomas Davis
Date: Thu, 17 Nov 1988 02:41

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    I've got a friend who wants to put a computer into his Van.  Now, he
wants to run the system off the battery without going through an invertor,
since the invertor generates a lot of heat and very heavy current draw.

    The system needs +5V @ 5amps, +12V @ 1amp, and -12V @ 100mAs.  The +5
and +12 are no problem, it's the -12.  Like, it's just not available
on a normal 12v car batttery system.  So, any ideas?  I have no desire
or time to sit down and design an +12V dc to -12V dc convertor.  Is there
a commercial power supply available that can be feed +13.8 volts, (car
battery), with outputs close to those listed?

     Any ideas?


-- 
Internet : ca063%unocss.unl.edu@RELAY.CS.NET | Thomas Davis
BitNet   : conslt16@unoma1                   | Consultant, Campus Computing
UUCP     : uunet!btni!unocss!ca063           | U. of Neb. @ Omaha, NE

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!mcmi!hdr!unocss!ca063
From: ca063@unocss.UUCP (Thomas Davis)
Newsgroups: sci.electronics
Subject: DC to DC powersupplys
Message-ID: <500@unocss.UUCP>
Date: 17 Nov 88 02:41:47 GMT
Organization: U. of Nebraska at Omaha
Lines: 19