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CAT803TSDI-T3

CAT803TSDI-T3 Description

The CAT803TSDI-T3 is a single-channel voltage supervisor IC designed for surface-mount applications. Manufactured by onsemi, this device offers reliable performance and is housed in a SC70 package, which is ideal for compact designs. The CAT803TSDI-T3 is part of the broader CAT803 family, known for its robust voltage monitoring capabilities.

This supervisor IC is designed to monitor a single voltage rail with a threshold voltage of 3.08V. It features an open-drain or open-collector output, providing flexibility in system integration. The reset timeout is specified at a minimum of 140ms, ensuring stable operation during power-up and brown-out conditions. The reset output is active low, which is a common requirement for many microcontroller and microprocessor reset circuits.

The CAT803TSDI-T3 is categorized under Supervisors and is suitable for a wide range of applications where reliable voltage monitoring is essential. Despite being marked as obsolete, it remains a viable option for legacy systems and specific applications where its unique features are required.

CAT803TSDI-T3 Features

• Single Voltage Monitoring: The CAT803TSDI-T3 is designed to monitor a single voltage rail, making it ideal for applications where simplicity and cost-effectiveness are paramount.
• 3.08V Threshold Voltage: This specific threshold voltage ensures that the supervisor IC can accurately detect and respond to voltage levels that are critical for system stability.
• Open-Drain/Open-Collector Output: This feature provides flexibility in system design, allowing the IC to be easily integrated with various types of reset circuits.
• 140ms Minimum Reset Timeout: The reset timeout ensures that the system has sufficient time to stabilize during power-up and brown-out conditions, preventing premature resets.
• Active Low Reset Output: The active low reset output is compatible with a wide range of microcontrollers and microprocessors, making it easy to integrate into existing systems.
• Surface-Mount Package: The SC70 package is ideal for compact designs, allowing for high-density board layouts and reduced overall footprint.
• Moisture Sensitivity Level (MSL) 1: The CAT803TSDI-T3 has an MSL rating of 1, indicating that it is not sensitive to moisture and can be stored and handled without special precautions.
• REACH Unaffected: The device complies with REACH regulations, ensuring that it is free from harmful substances and suitable for use in environmentally conscious applications.

CAT803TSDI-T3 Applications

The CAT803TSDI-T3 is well-suited for a variety of applications where reliable voltage monitoring is crucial. Some specific use cases include:

• Microcontroller and Microprocessor Systems: The single-channel voltage monitoring and active low reset output make it an ideal companion for microcontroller and microprocessor-based systems.
• Power-Sensitive Applications: The 3.08V threshold voltage and 140ms reset timeout ensure reliable operation in systems where power fluctuations are common.
• Compact Designs: The SC70 package is perfect for applications where space is limited, such as in embedded systems and IoT devices.
• Legacy Systems: Despite being marked as obsolete, the CAT803TSDI-T3 remains a viable option for maintaining and upgrading legacy systems where its specific features are required.

Conclusion of CAT803TSDI-T3

The CAT803TSDI-T3 is a reliable and versatile single-channel voltage supervisor IC designed for surface-mount applications. Its key features, including the 3.08V threshold voltage, open-drain/open-collector output, and 140ms reset timeout, make it suitable for a wide range of applications. The SC70 package and MSL 1 rating ensure that it is both compact and robust, making it an ideal choice for microcontroller and microprocessor systems, power-sensitive applications, and compact designs. Although marked as obsolete, the CAT803TSDI-T3 continues to offer unique advantages and remains a valuable component for specific use cases and legacy systems.