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Diodes Incorporated APX803S/809S/810S MPU Supervisor Circuits

Diodes Inc. APX803S/809S/810S MPU Supervisor Circuits are used to monitor power supplies in μP, μC, and digital systems. The APX803S provides excellent circuit reliability and low cost by eliminating external components. The circuits are available with different reset thresholds designed to support different supply voltages (+5V, +3.3V, +3.0V, and +2.5V). These circuits assert a reset signal whenever the VCC supply voltage falls below a preset threshold. This keeps it asserted for at least 240ms after VCC has risen above the reset threshold.

Features

  • Low Supply Current: 10μA
  • Minimal operating current for system efficiency
  • High Threshold Voltage Accuracy: ±1.5%, provides precise VCC reset thresholds
  • RESET Output Active when VCC ≥ 0.9V, prevents the μP/μC from incorrect operation at power-up
  • Pre-set Recovery Delay Time Options: 1.7ms, 50ms and 240ms
  • Meets different system requirements

Applications

  • Computers
  • Controllers
  • Intelligent Instruments
  • Critical μP and μC Power Monitoring
  • Portable/Battery-Powered Equipment

Typical Applications Circuit

Application Circuit Diagram - Diodes Incorporated APX803S/809S/810S MPU Supervisor Circuits
Publié le: 2017-05-09 | Mis à jour le: 2022-03-11