Undervoltage Detector

Posted on Feb 7, 2013

The output goes high when the supply falls below a value determined by zener diode Dl. If Dl is a 5.6-V zener, the op

Undervoltage Detector
Click here to download the full size of the above Circuit.

amp will switch high when the supply voltage falls below approximately 11 V. The precise trip point can be varied by replacing R3 with an 820-ki) resistor in series with a 470-KOhmhm potentiometer.

Leave Comment

characters left:

New Circuits



Popular Circuits

Model Railroad Group SCR Throttle
Crossfeed Headphone Amplifier
Frequency limit detector
Low Power Voltage Doubler
Power MOSFET Bridge Rectifier
electronic chime