> After research, my best candidate is to replace the Vreg from the
> actual LP2950 to a LP2951, and connect its ~ERROR output to MCLR,
> possibly directly (to save components).
>=20
> What do you think about my solution? :o
>=20
> >Hello folks,
> >
> >I have a PIC321xx application where I cannot ensure that Vcc rises
> fast enough.
> >
> >The net effect, coming without surprise, is that sometimes the MPU
> >doesn't start at all (not even the LPRC Timer starts, or at least I'm
> >sure that enabling the WatchDog didn't help), unless I manually reset
> it.
> >
> >How would you automatize this with the least possible number of
> >cheapest possible components?
> >
> >Or, can you suggest a cheap <500mV@100mA LDO voltage regulator with
> >reset management (or equivalent "power good" feature) capable of at
> >least 100mA at 3.3V fixed voltage output, and a voltage input of at
> least 30V?

Does the processor not have a brownout function? I haven't had anything to =
do with PIC32 chips, so haven't had occasion to look at these aspects.


--=20
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--=20
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