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SOT25.pngMicro-processor (µP) Supervisory Circuits
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The PT7M823/824/825 family micro-processor (μP) supervisory circuits are targeted to improve reliability and accuracy of powersupply circuitry in μP’s systems. These devices reduce the complexity and number of components required to monitor power-supply and battery functions.
The main functions are:
1. Asserting reset output during power-up, power-down and
brownout conditions for μP system.
2. Watchdog functions
3. Manual reset
| Fixed Detect Voltages (V) | 2.19, 2.32, 2.63, 2.93, 3.08, 4.38, 4.63 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) | 10 µA |
| Typical Time Delay (µs) | N/A µs |
| Reset Period (ms) | 200 ms |
| RESET Output (Active High) | Yes (Active High) |
| RESET Output (Active Low) | Yes (Active Low) |
| Manual RESET | Yes |
| Watchdog | No |
| Watchdog Time (s) | N/A s |
| Power Fail Comparator Threshold (V) | N/A V |
| Reset Output Topology | Push-Pull |
| 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-2512 | 2021-04-16 | 2021-07-16 | Qualified Additional Assembly & Test (A/T) Site |
