• Part: UC3903
  • Description: Quad Supply and Line Monitor
  • Manufacturer: Texas Instruments
  • Size: 827.70 KB
UC3903 Datasheet (PDF) Download
Texas Instruments
UC3903

Description

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.

Key Features

  • Inputs for Monitoring up to Four Separate Supply Voltage Levels
  • Internal Inverter for Sensing a Negative Supply Voltage
  • Line/Switch Sense Input for Early Power Source Failure Warning
  • Programmable Under- and Over-Voltage Fault Thresholds with Proportional Hysteresis
  • A Precision 2.5-V Reference
  • General Purpose Op-Amp for Auxiliary Use
  • Three High Current, >3 0mA, Open-Collector Outputs Indicate Over-Voltage, Under-Voltage and Power OK Conditions
  • 8-V to 40-V Supply Operation with 7-mA Stand-By Current