This circuit indicates when the voltage of a 12 V battery is low. With changes, for example, the zener, the circuit can be used to monitor other voltages.
This small regulated power supply was found in a 1963 General Electric documentation. The special...
The battery charger suggested in the figure has its current limited by resistor R1. This component may...
January 2017 - Texas Instruments' new TPS7A19 Low Voltage Dropout (LDO) linear regulators are now...