AZ70xx:Reset Generators

Part NumberData SheetSPICE ModelDetect Voltages (V)MinimumInput Voltage (V)MaximumInput Voltage (V)Quiescent Current (µA)Typical Time Delay (ms)RESET Output (Active High)RESET Output (Active Low)MRWatchdogReset Output TopologyOperating Ambient Temperature Range (°C)
AZ70xxAZ70XX.pdf-2.3/ 2.5/ 2.7/ 2.9/ 3.1/ 3.3/ 4.2/ 4.515.5500-YesYesNoYesPush-Pull-40 to +85
Description

The AZ70XX series ICs are under voltage detectors with a built in voltage threshold and low power consumption. The AZ70XX are specifically designed to accurately monitor power supplies. The AZ70XX use a precision on-chip voltage reference and a comparator to measure the input operating voltage. These ICs can accurately reset the system after detecting voltage at the time of switching power on and instantaneous power off in various CPU systems and other logic systems. The detect voltage thresholds are 2.3V/2.5V/2.7V/2.9V/3.1V/3.3V/4.2V/4.5Vfor AZ7023/25/27/29/31/33/42/45 respectively. Built in hysteresis helps to prevent erratic operation in the presence of noise.

Application
  • Low Battery Voltage Detector
  • Power Fail Indicator
  • Processor Reset Generator
  • Battery Backup Control
  • Home Electric Appliances
Features
  • Low Current Consumption: ICCL=300μA Typical ICCH=30μA Typical
  • Low Minimum Operating Voltage for Output Resetting: 0.8V Typical
  • Built in Hysteresis Voltage: 50mV Typical
  • Open Collector Output
  • Extended Temperature Range: -40 to 85°C
SOT25
AZ70XX.pdf AZ70xx
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