ON Semiconductor CAT809HTBI-T3 Supervisory Circuit

The ON Semiconductor CAT809HTBI-T3 is a high-performance microprocessor supervisory circuit designed to monitor system voltage levels and provide a reliable reset signal to the microprocessor during power-up, power-down, or brown-out conditions. This component ensures that the system microprocessor boots up in a known state every time, enhancing system reliability and performance.

Key Features:

• Precision Monitoring: The CAT809HTBI-T3 offers precise monitoring of 3-pin fixed voltage options, ensuring that the system operates within the desired voltage thresholds.
• Low Power Consumption: This supervisory circuit is optimized for low-power operation, which is critical for battery-powered and energy-efficient applications.
• Manual Reset Input: The device includes a manual reset input that allows for an external trigger to reset the system, providing additional control and security.
• Reset Timeout: It features a 140 ms minimum reset pulse width, ensuring that the system has sufficient time to stabilize before normal operation resumes.
• High Accuracy: The reset threshold accuracy is maintained over temperature, with a typical threshold accuracy of ±2%.
• Temperature Range: The CAT809HTBI-T3 operates over a wide temperature range, making it suitable for various industrial and automotive applications.
• Compact Packaging: Offered in a compact SOT-23 package, the device saves valuable board space in space-constrained applications.

Applications:

The CAT809HTBI-T3 is ideal for use in a variety of applications where reliable system reset is crucial. These include:

• Microprocessor and Microcontroller Systems
• Portable/Battery-powered Equipment
• Intelligent Instruments
• Industrial Controllers
• Automotive Systems
• Medical Devices

With its precision voltage monitoring and robust feature set, the ON Semiconductor CAT809HTBI-T3 supervisory circuit is an essential component for ensuring the stability and reliability of electronic systems. Its integration into your design will help to safeguard your application from the unpredictable nature of power supply variations.