onsemi

CAT809LEUR-T3

CAT809LEUR-T3 Description

The CAT809LEUR-T3 is a 3-PIN microprocessor power-on reset (POR) supervisor designed to monitor a single voltage supply. Manufactured by onsemi, this device is part of the CAT809 series and is known for its reliability and efficiency in power supply monitoring applications. Despite being marked as obsolete, the CAT809LEUR-T3 remains a viable option for specific applications where its unique features are required.

CAT809LEUR-T3 Features

• Power Supply Monitoring: The CAT809LEUR-T3 is designed to monitor a single voltage supply, ensuring that the system remains stable and reliable. It features a voltage threshold of 4.63V, providing precise monitoring capabilities.
• Active Low Reset: The device offers an active low reset output, which is ideal for microprocessors and other digital systems that require a low signal to initiate a reset.
• Reset Timeout: With a minimum reset timeout of 140ms, the CAT809LEUR-T3 ensures that the system has sufficient time to stabilize before allowing normal operation to resume.
• Surface Mount Technology: The CAT809LEUR-T3 is available in a surface mount package, making it suitable for modern PCB designs and ensuring ease of integration into compact systems.
• Bulk Packaging: The device is packaged in bulk, which is ideal for high-volume production and inventory management.
• Compliance and Status: The CAT809LEUR-T3 is classified under ECCN EAR99 and HTSUS 8542.39.0001, indicating its compliance with international trade regulations. Additionally, it is REACH unaffected, ensuring it meets environmental and safety standards.

CAT809LEUR-T3 Applications

The CAT809LEUR-T3 is ideal for a variety of applications where reliable power supply monitoring is crucial. Some specific use cases include:

• Microprocessor Systems: The active low reset feature makes it suitable for microprocessor-based systems that require a reliable reset mechanism.
• Embedded Systems: Its compact surface mount package and precise voltage monitoring capabilities make it a good fit for embedded systems where space is limited.
• Industrial Control Systems: The device's robustness and reliability make it suitable for industrial applications where consistent power supply monitoring is essential.
• Telecommunications: The CAT809LEUR-T3 can be used in telecommunication equipment to ensure stable power supply and prevent system crashes due to power fluctuations.

Conclusion of CAT809LEUR-T3

The CAT809LEUR-T3, despite being marked as obsolete, continues to offer significant value in specific applications requiring reliable power supply monitoring. Its precise voltage threshold, active low reset, and minimum reset timeout of 140ms make it a robust solution for microprocessor and embedded systems. The surface mount package and bulk packaging options further enhance its suitability for modern PCB designs and high-volume production. For applications where these features are critical, the CAT809LEUR-T3 remains a reliable and efficient choice.