piclist 1998\11\03\125419a >
Thread: PIC Power-up.
www.piclist.com/techref/power.htm?key=power
picon face BY : Peter L. Peres email (remove spam text)



On Mon, 2 Nov 1998, Dave Johnson wrote:

{Quote hidden}

Well, what I sometimes do is, I use a 324 or comparator alongside the PIC
and I use one section of the comparator as voltage regulator for the PIC
only (often the reference is a LED ;) and I put some hysterezis into its
(positive) feedback loop so it starts and stops abruptly, and also drains
the charge in the PIC decoupling caps when turning off. This cures many
problems but it is not quite perfect. It's certainly better than a 78L05 +
prayers. The only problem is, one has to use smaller decoupling caps on
the PIC.

Peter

<Pine.LNX.3.95.981103183459.698E-100000@plp4.plp.home.org>

In reply to: <199811021457.JAA24017@rome.ntr.net>
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