The CAT811STBI-T3 from ON Semiconductor is a high-performance supervisory circuit designed to monitor power supply and system voltages. This precision device ensures reliable operation and system stability by providing a multitude of features that are essential for modern electronic systems.

Key Features

• Voltage Monitoring: The CAT811STBI-T3 is capable of monitoring a 3.08V fixed threshold voltage, making it ideal for 3.3V systems. It ensures that the system voltage remains within the acceptable range for stable operation.
• Reset Timeout: It offers a 140 ms minimum reset timeout delay, which provides the system with adequate time to stabilize before resuming normal operation after a voltage disturbance.
• Low Power Consumption: Designed for power-sensitive applications, this supervisory circuit has a low power consumption, drawing a typical supply current of only 5 µA.
• Output Configuration: The device comes with an active low, push-pull reset output. This configuration allows for a direct interface with microcontrollers and other logic devices without the need for external components.
• Temperature Range: It operates over an industrial temperature range of -40°C to +85°C, ensuring reliable performance in a wide range of environmental conditions.
• Packaging: The CAT811STBI-T3 is available in a compact SOT-23 package, which is suitable for space-constrained applications.

Applications

The CAT811STBI-T3 is versatile and can be used in a variety of applications, including:

• Microprocessor and microcontroller systems
• Computers and computer peripherals
• Portable/battery-powered equipment
• Intelligent instruments
• Industrial controllers

Conclusion

The ON Semiconductor CAT811STBI-T3 supervisory circuit is an essential component for systems requiring precise voltage monitoring and reliable operation. Its low power consumption, accurate threshold monitoring, and robust temperature performance make it a top choice for designers looking to enhance system integrity in a wide range of electronic applications.