Voltage Supervisors | NCP112

Supervisory IC for Desktop Power Supply Monitoring

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Overview

The NCP112 is a highly integrated supervisory circuit that incorporates all the functions necessary for monitoring and controlling a multi−output switch−mode power supply system. The NCP112 provides an ability to monitor the status of the power supply outputs and communicate it to the system controller. The programmable output delays protect against spurious fault indicators.

  • Personal Computer Switch Mode Power Supply Monitoring
  • Multi−Output Power Supplies Requiring System Supervision

  • Under and Overvoltage Protection for 3.3 V, 5.0 V and 12 V Outputs
  • Additional Adjustable Overvoltage Protection Input
  • Built−in Hysteresis on all Input Pins
  • Programmable Undervoltage Blanking During Power−Up
  • Fault Output with 20 mA Sink Capability
  • Programmable Remote On/Off Delay Time
  • Programmable Power Good Delay Time
  • Precision Voltage Reference with 20 mA Source Capability
  • Optimized for Low−Cost 100 nF Capacitors
  • Enhanced Replacement to the TSM112
  • Pb-Free Packages are Available

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