This very low current circuit with the ICM7860 was found in the April 1995 Electronics Now magazine. The output voltage depends on the input voltage.
This circuit is from Motorola's Linear Interface ICs of 1993. The circuit can be powered by...
This circuit activates a relay when the supply voltage drops below the value set in the trimpot. The...
Based on National semiconductor power operational amplifiers, uncommon today, this circuit...