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[DPRG] Re: [SeattleRobotics] Isolated Boost converter?

Subject: [DPRG] Re: [SeattleRobotics] Isolated Boost converter?
From: chris cbrenizer at socket.net
Date: Tue Aug 5 13:13:02 CDT 2003

my appologies to those sorting on the sent date for my previous post.
----- Original Message -----
>From: "chris" <cbrenizer at socket.net>
To: "DPRG" <dprglist at dprg.org>
Sent: Thursday, August 05, 1999 1:08 PM
Subject: Re: [DPRG] Re: [SeattleRobotics] Isolated Boost converter?


> although this probably won't work for your application, i've been meaning
to
> mess with a Max232 or Max233 to get 12v outa 5v.
>
> i haven't looked at the spec sheets in a while to see if there is
worthwhile
> current there.  but figured holding the transmit line high would result in
> 12v out.
>
> any cons to this scheme, anybody?
>
> ----- Original Message -----
> From: "Randy Carter" <rwcarter at foxinternet.net>
> To: "David Peterson" <robodave1 at comcast.net>
> Cc: "DPRG" <dprglist at dprg.org>; <SeattleRobotics at yahoogroups.com>; "Twin
> Cities Robots group" <tcrobots at tcrobots.org>
> Sent: Tuesday, August 05, 2003 9:31 AM
> Subject: [DPRG] Re: [SeattleRobotics] Isolated Boost converter?
>
>
> > Isolated?  How isolated do you want?  The suggestions made so far
> > use a common ground.  For true isolation you need to use a DC/DC
> > converter.  This device is essentially a miniature switching
> > power supply and its output can be hooked up any way you want.
> >
> > http://www.mouser.com has several models.  Since your power
> > requirements are less than 1 watt you can get one for less than $10.
> >
> > David Peterson wrote:
> > > Anyone have any ideas on creating an isolated voltage boost converter,
> from
> > > 5 volts input, isolated from a 12 volt output, at 50 mA or a little
> more? I
> > > understand that the input could be requiring 150 mA , if around 80%
> > > efficient or so.. just having difficulties on components.. Any help
> would be
> > > appreciated.
> > >
> > > Dave
> > >
> > >
> > > Visit the SRS Website at http://www.seattlerobotics.org
> > >
> > > To unsubscribe from this group, send an email to:
> > > SeattleRobotics-unsubscribe at yahoogroups.com
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
> > >
> >
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>
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