UC1903 Datasheet, Texas Instruments

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* Inputs for Monitoring up to Four Separate Supply Voltage Levels
* Internal Inverter for Sensing a Negative Supply Voltage
* Line/Switch Sense Input for Ea.

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The UC1903 family of quad supply and line monitor integrated circuits will respond to under- and over-voltage conditions on up to four continuously monitored voltage levels. An internal op-amp inverter allows at least one of these levels to be negati.