Date   : Tue, 18 Mar 2008 22:06:54 +0000 (GMT)
From   : info@... (Sprow)
Subject: Disc drive power

In article <47E03B0D.1040903@...>,
   Tim Fardell <tim.fardell@...> wrote:
> > As you'd probably be using a linear regulator to get to 5V then the 4V
> > difference is doing nothing but heating the air - it'd be better to 
> > start at a lower voltage (say 4AA) instead,
>
> I don't think 6V input would be enough for a normal regulator to 
> provide 5V. You'd need one of those newfangled things that can give a 
> stable 5V output from an input of anything from 2V up to 30V :-)

An LP2950 has < 0.5V dropout, I certainly didn't have a 7805 in my head,
Sprow.