RE: (ET) Cheap DC-DC pack

[Bfayette aol com]

Here's a link to the spec:


http://power.tycoelectronics.com/pdf/ds99133.pdf

Looks like it should work. Input are fully isolated from the outputs.  I 
agree that 8 modules is probably better.  I think I'm going to give it a 
try on my E14 restoration project.

Brad



In a message dated Wed, 31 Oct 2001  1:03:49 PM Eastern Standard Time, 
"Elie, Larry (L.D.)" <lelie ford com> writes:

> I checked the page.  IF it is isolated, you have a perfect solution for 
> only $35 or so.  Good to 60 amps too!  The manual and wiring is not at 
> allelectonics, but you might be able to find out about isolation at 
> Lucent.  I think I would check with a DVM on line droop but I expect you 
> might want 8 of these and tap off at 20V instead of 17.5.  It depends on 
> how good Lucent did under a normal load.  3 fully charged batteries are 
> actually 22V or so, and 4 are 28+V.  We 'say' 18V is right and 'say' 24V 
> burns out the lift but we really mean 3 batteries is fine and 4 
> batteries burns out the lift respectively.
> 
> Larry Elie
> 
> 
> -----Original Message-----
> From: Bfayette aol com [mailto:Bfayette aol com]
> Sent: Wednesday, October 31, 2001 12:39 PM
> To: elec-trak cosmos phy tufts edu
> Subject: RE: (ET) Cheap DC-DC pack
> 
> 
> What do you guys think of this: All Electronics 
> (www.allelectronics.com)has their DC-40 2.5V 60A converter for 36-72V 
> for $5.  If you got 7 of these and hooked the outputs up in series, you 
> should be able to make a 17.5V pack off of which you can tap 12.5V.  As 
> long as the output is isolated from the input, I can't see any reason 
> why this wouldn't work.  They don't have the spec sheet, but we should 
> be able to dig this up.  What do you all think?
> 
> Brad