AS1920 SUPERVISOR IC

Triple-Voltage Supervisory Circuit with Push/Pull Reset

The AS1920 (push pull driver with active low reset) monitors up to 3 supply rails with factory trimmed reset thresholds and operational accuracy to 1.5%. The IC operates down to 1V and draws 6.5uA typ.

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KEY FEATURES
  • Monitors 3 supply rails
  • Power supply transient immunity
  • KEY BENEFITS
    • Monitor all system supply rails
    • Suitable for automotive applications
    AS1920 APPLICATIONS
    • Personal Computers
    • Laptops
    • Notebooks
    • Battery Powered Systems
    • Embedded Controllers
    • Intelligent Instruments
    • Automotive Systems
    • Critical CPU Monitoring
    • Multi-Supply Monitoring Applications
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AS1920 PRODUCT FACTS

Supervised voltages [V (IN1)]3
Supervised voltages [V (IN2)]1.8
Supervised voltages [V (IN3)]Adjust.
Supervised voltages [V (IN4)]
Inputs3
Push/Pull active low
Push/Pull active high
Open-Drain
Watchdog
Man. reset
Supply current [μA]6.5
Supply voltage [V]1.0 to 3.6
PackageSOT23-5