MC3423 - ON Semiconductor

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

MC3423
Manufacturer

ON Semiconductor
ChipWorker Part#

CW494510566
RoHS

Lead free / RoHS Compliant
Description

Overvoltage Crowbar Sensing Circuit
Documentation

Datasheet

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MC3423 Specifications

Attribute	Attribute Value

Part Number	MC3423
Manufacturer	ON Semiconductor
ChipWorker Part#	CW494510566
Documentation	Datasheet
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RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

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 MC3423 can be programmed for minimum duration of overvoltage condition before tripping, thus supplying noise immunity. The MC3423 is essentially a “two terminal” system, therefore it can be used with either positive or negative supplies.
Features
•Pb−Free Package is Available

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