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Comparator with dual supply and excessive current draw [solved]

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wraper:

--- Quote from: geo_leeman on April 23, 2019, 10:30:31 pm ---On the current dumping into the 4072 - level shifting, clamp diode, other recommended practices?

--- End quote ---
Easiest would be current limiting resistor in series and Schottky clamp diode to GND.

geo_leeman:
Quick bodge with some diodes from the bin and it's behaving now. Thanks for the education on comparators!

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