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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.
| Fixed Detect Voltages (V) | 2.3, 2.5, 2.7, 2.9, 3.1, 3.3, 4.2, 4.5 V |
|---|---|
| Adjustable Detect Voltage Reference Voltage (V) | N/A V |
| Number of Channels | 1 |
| Minimum Operating Voltage (V) | 1 V |
| Maximum Input Voltage (V) | 5.5 V |
| Quiescent Current (µA) | 500 µA |
| Typical Time Delay (µs) | N/A µs |
| Reset Period (ms) | 0 ms |
| RESET Output (Active High) | No (Active High) |
| RESET Output (Active Low) | Yes (Active Low) |
| Manual RESET | No |
| Watchdog | No |
| Watchdog Time (s) | None s |
| Power Fail Comparator Threshold (V) | None V |
| Reset Output Topology | Open-Collector |
| Ambient Temperature Range (°C) | -40 to 85 °C |
Additional Technical Documents are available upon request:
Application information, Evaluation board, and Other technical documents
A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.
| PCN # | Issue Date | Implementation Date | Subject |
|---|---|---|---|
| PCN-2514 | 2021-03-09 | 2021-06-09 | Additional Wafer Source JKFAB |
