onsemi

CAT809STBI-T3

CAT809STBI-T3 Description

The CAT809STBI-T3 is a Supervisor IC from onsemi, designed for reliable voltage monitoring applications. This single-channel supervisory IC is housed in a compact SOT23-3 package, making it suitable for space-constrained designs. The device features an active-low reset output, a reset timeout of 140ms minimum, and a voltage threshold of 2.93V. The CAT809STBI-T3 is classified as EAR99 and REACH unaffected, ensuring compliance with international trade regulations.

CAT809STBI-T3 Features

• Voltage Monitoring: The CAT809STBI-T3 monitors a single supply voltage, providing reliable protection against voltage fluctuations.
• Active-Low Reset Output: The device features an active-low reset output, simplifying integration into various systems.
• Reset Timeout: A minimum reset timeout of 140ms ensures that the device provides a stable reset signal during voltage dips.
• Voltage Threshold: The 2.93V threshold voltage allows for precise voltage monitoring, protecting against over- and under-voltage conditions.
• Mounting Type: Surface mount packaging enables easy integration into PCB designs.
• Package: The SOT23-3 package is compact and suitable for space-constrained applications.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) ensures the device can withstand high humidity environments without degradation.

CAT809STBI-T3 Applications

The CAT809STBI-T3 is ideal for various applications where reliable voltage monitoring is critical:

1. Industrial Control Systems: The device can be used to monitor power supply voltages in industrial control systems, ensuring stable operation.
2. Automotive Applications: The CAT809STBI-T3 can be used in automotive systems to monitor battery voltage, providing protection against over- and under-voltage conditions.
3. Telecommunications Equipment: The device can be used to monitor power supply voltages in telecommunications equipment, ensuring reliable operation.
4. Portable Electronics: The compact SOT23-3 package makes the CAT809STBI-T3 suitable for portable electronic devices, such as smartphones and tablets, where space is limited.

Conclusion of CAT809STBI-T3

The CAT809STBI-T3 is a reliable and compact supervisory IC from onsemi, designed for single-channel voltage monitoring applications. Its active-low reset output, reset timeout, and voltage threshold make it suitable for a wide range of applications, including industrial control systems, automotive, telecommunications equipment, and portable electronics. While the device is now considered obsolete, its unique features and advantages make it a valuable option for existing designs that require a reliable and space-efficient supervisory IC.