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APX809S - 3-PIN MICRO POWER VOLTAGE DETECTOR

General Description

The APX809S/810S are used for microprocessor (µP) supervisory circuits to monitor the power supplies in µP and digital systems.

They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V and +2.5V powered circuits.

Key Features

  • Precision Monitoring of +2.5V, +3V, +3.3V and +5V PowerSupply Voltages.
  • Fully Specified Over-temperature.
  • Available in Three Output Configurations.
  • Push-Pull RESET Active Low (APX809S).
  • Push-Pull RESET Active High (APX810S).
  • 200ms Typ Power-On Reset Pulse Width.
  • 7µA Supply Current (Typ. ).
  • Guaranteed Reset Valid to VCC = +1V.
  • No External Components.
  • SOT23 Available in “Green” Molding Compound (No Br, Sb).
  • Totally Lead-Free & Fully RoHS Compl.

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APX809S/810S 3-PIN MICRO POWER VOLTAGE DETECTOR Description The APX809S/810S are used for microprocessor (µP) supervisory circuits to monitor the power supplies in µP and digital systems. They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V and +2.5V powered circuits. These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for at least 240ms after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available. The APX809S/810S have push pull outputs.