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Subject:	Re: [geda-user] 3V to 12V converter
To:	geda-user AT delorie DOT com
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From:	"Dave McGuire (mcguire AT neurotica DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Message-ID:	<e6bba0f0-7383-59b8-2015-fb79f3d038d0@neurotica.com>
Date:	Mon, 19 Aug 2019 18:32:37 -0400
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Fn 8/19/19 5:14 PM, Rob Butts (r DOT butts2 AT gmail DOT com) [via
geda-user AT delorie DOT com] wrote:
> I used ti's power bench to come up with a 3V to a fixed 12V converter
> but it uses 15 components and is not reliable.
> 
> Then I see these small ready made converter boards providing up to 2amps
> and costs around $1.50 from china.  They use what looks like a 6 pin
> sot23 voltage regulator with a handful of components.
> 
> I've searched far and wide with nothing like what they seem to use.
> 
> Does anyone have a good recommendation for voltage regulator with
> minimal components?

  For less demanding applications, you really can't beat the simplicity
of the MC34063.  There are lots of app notes, etc detailing many
different ways to use it.  They are extremely cheap and readily available.

  In particular, find Motorola/OnSemi app note AN920/D.

           -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA

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