This circuit was found in American documentation from the 90's. The circuit applies to any operational. The power supply can be between 5 and 15 V depending on the operational.
This Maxim Voltage Supervisory integrated circuit can be obtained from Mouser Electronics. It has...
Any FET can be used on this 80's circuit. Power can be supplied with batteries. The output is...
March 2017 - Coilcraft SLR series inductors for currents up to 100 A can be obtained from Mouser...