Overview
The CAT853STBI-T3 is a supervisory circuit designed by ON Semiconductor to monitor power supplies in digital systems. This device is part of the CAT853 series, which includes various voltage supervisors that generate reset signals to ensure proper system operation during power-up, power-down, or brownout conditions.
These supervisory circuits are essential in microprocessor-based systems, providing a reliable way to manage power supply voltages and prevent system malfunctions.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ON Semiconductor |
| Package Type | SOT-23-3 |
| Voltage Monitored | 2.93V |
| Reset Active State | Active Low |
| Reset Timer | 140 ms (min), 240 ms (max) |
| Manual Reset | No |
| Watchdog Timer | No |
| Operating Temperature Range | -40°C to 85°C |
| Supply Current | 6 µA (typical) |
| Lead Free | Yes |
| Moisture Sensitivity Level (MSL) | 1 |
| Peak Reflow Temperature | 260°C |
Key Features
- Power Supply Monitoring: The CAT853STBI-T3 monitors the power supply voltage and generates a reset signal if the voltage falls below the specified threshold.
- Active Low Reset: The reset output is active low, ensuring compatibility with most microprocessor systems.
- Low Supply Current: The device operates with a low supply current of 6 µA (typical), making it suitable for power-sensitive applications.
- Compact Package: Available in a small SOT-23-3 package, ideal for space-constrained designs.
- Wide Operating Temperature Range: Operates over a temperature range of -40°C to 85°C, making it versatile for various environments.
Applications
- Microprocessor-Based Systems: Used in systems that require reliable power supply monitoring and reset functionality.
- Embedded Systems: Suitable for embedded systems where power supply stability is critical.
- Industrial Control Systems: Applied in industrial control systems to ensure robust operation under varying power conditions.
- Consumer Electronics: Used in consumer electronics to provide reliable power management.
Q & A
- What is the primary function of the CAT853STBI-T3?
The primary function of the CAT853STBI-T3 is to monitor the power supply voltage and generate a reset signal if the voltage falls below the specified threshold.
- What is the package type of the CAT853STBI-T3?
The CAT853STBI-T3 is available in a SOT-23-3 package.
- What is the monitored voltage for the CAT853STBI-T3?
The CAT853STBI-T3 monitors a voltage of 2.93V.
- Is the reset output of the CAT853STBI-T3 active high or active low?
The reset output of the CAT853STBI-T3 is active low.
- What is the typical supply current of the CAT853STBI-T3?
The typical supply current of the CAT853STBI-T3 is 6 µA.
- Does the CAT853STBI-T3 have a manual reset feature?
No, the CAT853STBI-T3 does not have a manual reset feature.
- Does the CAT853STBI-T3 have a watchdog timer?
No, the CAT853STBI-T3 does not have a watchdog timer.
- What is the operating temperature range of the CAT853STBI-T3?
The operating temperature range of the CAT853STBI-T3 is -40°C to 85°C.
- Is the CAT853STBI-T3 lead-free?
Yes, the CAT853STBI-T3 is lead-free.
- What is the peak reflow temperature for the CAT853STBI-T3?
The peak reflow temperature for the CAT853STBI-T3 is 260°C.
