PSN-L Email List Message

Subject: Re: Gas Generator recommendations
From: Bob Smith bobsmith5@........
Date: Thu, 10 May 2001 10:32:58 -0400

Chris --

Really quite simple.  The intent of the post was to introduce the
existence of the buck-boost/SEPIC topology to the readers who seem
intent on designing a lead-acid source converter for PCs.  This cannot,
from a practical point of view, be done with simple buck or boost
topology converters to derive a +12V supply from a (nominal) 12.6V
battery.  It, certainly, can be done with a transformer based flyback
topology but, this is a complex exercise in magnetics design that would
probably scare off the average reader.

The design note that I chose was selected because it is a) easily
accessible, and b) pretty easy to understand. I thought at the time that
it would be quite obvious that it would have needed to be scaled up to
the power levels needed to drive a PC.  That appears to be an error in
judgment on my part for which I apologize.

	Thank you for requesting this clarification, Bob Smith


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Robert L. (Bob) Smith			Smith Machine Works, Inc.
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