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> 14 V eh?
> Sounds like automotive mains.
Close - gel cell
> A nasty environ - I lost LM555's when powered
> directly off automotive mains YEARS ago - on
> one of my first projects!
> Solution was to add a real - sorry, an "RF" term
> there - add a series resistor along with a shunt
> electrolytic cap - any 'spikes' are met by (dropped
> across) the R (chosen based on some maths) against
> the influence of the electrolytic cap ...
No problem with spikes or anything else untoward AFAICT, this
particular regulator just decided to give up its day job
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