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