Regulator voltage

[john tarpinian]

Jim,

At what current level does this 0.2 v drop occur?



--- JOddino <JOddino at socal.rr.com> wrote:
> Here is the thought process:
> You would like the highest voltage your servos can
> handle.  Some can take
> six volts, some should be limited to 5.1 or 5.2, the
> value of a fully
> charged four cell pack.
> You would like to have good regulation with the pack
> discharged to 5.9
> volts.  This allows for good regulation over most of
> the battery's discharge
> voltage range.
> You want a regulator that has a low drop out voltage
> (low difference between
> input voltage and regulated output) at the rated
> current.
> 
> The Jaccio regulator has a dropout voltage on the
> order of .2 volts, so the
> recommended output with a 5 cell NiMH pack is 5.7
> volts, if the servos can
> take it.
> 
> Many of the regulators out there have a higher
> dropout voltage and are fine
> with Li-Ion packs where you would not operate below
> 7.0 volts but are not
> recommended with 5 cell NiCd or NiMH packs.
> Jim
> 
> 
> ----- Original Message ----- 
> From: "john tarpinian" <jtarpinian at yahoo.com>
> To: <discussion at nsrca.org>
> Sent: Thursday, February 26, 2004 8:01 AM
> Subject: Regulator voltage
> 
> 
> >
> > I'm planning to use 5 digital servos and a 5 cell
> NiMH
> > pack with a regulator/perfect switch.  What
> voltage
> > regulator should I puchase? Is 5.6v too high,
> > resulting in a lack of regulation at times.>
> > >
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