LATCHING_RELAY_DRIVER_FOR＋12_V_LOADS

Published:2009/6/24 5:33:00 Author:Jessie | From:SeekIC

A 4-V signal will cause the relay to pull in when Q1 turns on. Latching is obtained by feedback through a 4.7-kΩ resistor. A switch is used to select latching or nonlatching operation. A NO pushbutton releases the circuit.



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