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SUPPLY_OVERLOAD_AND_REVERSE_POLARITY_PROTECTION

2016-09-27 13:27  
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SUPPLY_OVERLOAD_AND_REVERSE_POLARITY_PROTECTION
Uses signal from Q1 to trigger SCR1, which turns off series-pass transistor when overload reaches 15 amp. Will also provide limiting of output voltage at 25 V, input overvoltage protection at 32 V, and input reverse-polarity protection by CRL. -J. J. Rado, Versatile SCR Protection for Power Supplies, EEE, 13:8, p 56-62.