[plug] mp3 power

[McMeikan, Andrew]

whoops
	just in case you build it the collector goes to incoming supply not
ground!!!

	sorry!

> -----Original Message-----
> From:	McMeikan, Andrew [SMTP:andrew.mcmeikan at mitswa.com.au]
> Sent:	Tuesday, August 24, 1999 1:57 PM
> To:	'plug at linux.org.au'
> Subject:	[plug] mp3 power
> 
> Hi All,
> 	Just an update for those building their own mp3 power supplies, my 5
> volt supply is testing out OK at around 10 Amps but my test loads get too
> hot, but it certainly soak tests at 6 Amps ok.  The circuit is the same as
> whats on the front page of the LM2576 data sheet with the addition of a
> 2N5038 power trany (and a 1.5 ohm 5 watt resistor  base-emitter, collector
> to ground, base to LM2576, emitter to coil/diode) for beefy switching.
> 
>   This means that you don't need to spend money on a $100 inverter!!!
> 
> As my 12v to 15v converter blew up, I'll advise on this later but it's the
> same principle except stepping up to 15v then using a 7812 (TO-3 style
> 5Amp)
> to regulate 12v.
> 
>   Has anyone seen some good MP3 software for a single line display?  Cajun
> is going to support it but not yet, still wants a four line display :(
> 
> 
> 
> 	cya,	Andrew...