AS1905 SUPERVISOR IC

150nA Ultra Low Power μP Supervisory Circuit, Push-Pull Active-High Reset

The AS1905 (push-pull driver with active high reset) is an ultra low-power 150nA @ 3.3V) supervisory circuit device. Reset thresholds are factory programmable between 2.2V and 3.08V in steps of 100mV. The duration of the reset is 5/20/100/500ms (typ) after the supply voltage has risen above the threshold. The device operates down to 1V.

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KEY FEATURES
  • 150nA quiescent current
  • Tiny package
  • KEY BENEFITS
    • Always on applications
    • Small footprint
    AS1905 APPLICATIONS
    • Computers
    • Intelligent Instruments
    • Controllers
    • Critical Microprocessor and Microcontroller Power Monitoring
    • Portable Battery Powered Equipment
    • Automotive
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AS1905 PRODUCT FACTS

Supervised voltages [V (IN1)]2.2 to 3.1
Supervised voltages [V (IN2)]
Supervised voltages [V (IN3)]
Supervised voltages [V (IN4)]
Inputs1
Push/Pull active low
Push/Pull active high
Open-Drain
Watchdog
Man. reset
Supply current [μA]0.15
Supply voltage [V]1.0 to 3.6
PackageSOT23-3