MC3423 - OVERVOLTAGE SENSING CIRCUIT
Order this document by MC3423/D MC3423 Overvoltage Crowbar Sensing Circuit This overvoltage protection circuit (OVP) protects sensitive electronic circuitry from overvoltage transients or regulator failures when used in conjunction with an external “crowbar” SCR.
The device senses the overvoltage condition and quickly “crowbars” or short circuits the supply, forcing the supply into current limiting or opening the fuse or circuit breaker.
The protection voltage threshold is adjustable and the MC
MC3423 Features
* 1. Activation Indication Output An additional output for use as an indicator of OVP activation is provided by the MC3423. This output is an open collector transistor which saturates when the OVP is activated. In addition, it can be used to clock an edge triggered flip
* flop whose output inhib
