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ASM1834 Datasheet Power Supply Supervisor

Manufacturer: onsemi

Overview: ASM1834, ASM1834A, ASM1834D Dual 5 V and 3.3 V mP Power Supply Supervisor with Manual.

General Description

The ASM1834 supervisors simultaneously monitor both 3.3 V and 5 V power sources and generate reset signals when either supply is out of tolerance.

When an out−of−tolerance condition is detected, the output−reset signal of the affected supply bees active and resets the system microprocessor/microcontroller.

On power−up and after the supply voltage returns to an in−tolerance condition, the reset signal remains active for approximately 350 ms.

Key Features

  • Monitors 5 V and 3.3 V Supplies Simultaneously.
  • 5 V and 3.3 V Power.
  • on Reset.
  • 350 ms Reset Time.
  • Debounced Pushbutton Reset Input.
  • Push.
  • pull CMOS Output ASM1834, ASM1834D Eliminates External Pull.
  • up Resistors Active LOW (ASM1834), HIGH (ASM1834D).
  • Open Drain Output ASM1834A Active LOW.
  • Selectable 5 V and 3.3 V Trip Point Tolerance.
  • Internal Power Drawn from Highest Input Voltage, 5 V or 3.3 V.

ASM1834 Distributor