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ASM802L - uP Power Supply Supervisor

This page provides the datasheet information for the ASM802L, a member of the ASM690A uP Power Supply Supervisor family.

Datasheet Summary

Description

offers complete single chip solutions for power supply monitoring and control battery functions in microprocessor systems.

backup switching and power failure

Features

  • of these four functions are:.
  • 1.6 second watchdog timer to keep microprocessor responsive.
  • 4.40 V or 4.65 V VCC threshold for microprocessor reset at power.
  • up and power.
  • down.
  • SPDT (Single.
  • pole, Double.
  • throw) PMOS switch connects backup power to RAM if VCC fails.
  • 1.25 V threshold detector for power loss or general purpose voltage monitoring These features are pin.
  • compatible with the industry standard power.
  • supply.

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Datasheet preview – ASM802L

Datasheet Details

Part number ASM802L
Manufacturer ON Semiconductor
File Size 199.47 KB
Description uP Power Supply Supervisor
Datasheet download datasheet ASM802L Datasheet
Additional preview pages of the ASM802L datasheet.

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Full PDF Text Transcription

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ASM690A/692A, ASM802L/802M, ASM805L mP Power Supply Supervisor with Battery Backup Switch Description The ASM690A / ASM692A / ASM802L / ASM802M / ASM805L offers complete single chip solutions for power supply monitoring and control battery functions in microprocessor systems. Each device implements four functions: Reset control, watchdog monitoring, battery−backup switching and power failure monitoring. In addition to microprocessor reset under power−up and power−down conditions, these devices provide battery−backup switching to maintain control in power loss and brown−out situations. Additional monitoring capabilities can provide an early warning of unregulated power supply loss before the voltage regulator drops out. The important features of these four functions are: • 1.
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