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Matthew Smith  
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 More options Feb 24 2010, 11:10 pm
From: Matthew Smith <m...@smiffytech.com>
Date: Thu, 25 Feb 2010 14:40:05 +1030
Local: Wed, Feb 24 2010 11:10 pm
Subject: Re: [NEONIXIE-L] Transformers
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Quoth David Forbes at 25/02/10 14:26...

> The LM2576 is a buck regulator, with the switch in series with the
> output. It makes only lower output voltage, so it's useless for
> powering tubes.

> The LM2586 is a flyback regulator, with the switch grounded. It can
> run a transformer, so it will make many volts. That's why it's useful
> to us.

Ah, thanks.  I was getting confused by the "Isolated Flyback Converter
using minimum number of components" line under "Applications" on the
datasheet.

--
Matthew Smith
Smiffytech - Technology Consulting & Web Application Development
Business:      http://www.smiffytech.com/
Blog/personal: http://www.smiffysplace.com/
LinkedIn:      http://www.linkedin.com/in/smiffy
Skype:         msmiffy
Twitter:       @smiffy


 
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