Over-voltage protection

  • 13-Jan-2012 10:41 EST

The LTC4366 over-voltage protection controller from Linear Technology operates from 9 V to greater than 500 V and uses an adjustable floating topology to enable very high voltage operation independent of the voltage rating of the internal circuitry. Two internal shunt regulators coupled with the external voltage-dropping resistors generate the device’s internal supply rails. The maximum operating voltage is set by the breakdown of the external resistors and metal oxide semiconductor field effect transistors. The device will protect a 12-V circuit from a 500-V transient without the need for additional protection components.

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