Regulator voltage

[Don McCullough]

Jim,

Can I use your standard JACCIO switch/regulator with a 7v Li-Po pack?

-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
On Behalf Of JOddino
Sent: Thursday, February 26, 2004 5:06 PM
To: discussion at nsrca.org
Subject: Re: Regulator voltage

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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