onsemi

MAX809JTR

MAX809JTR Description

The MAX809JTR is a single-channel supervisor IC designed by onsemi, housed in a compact SOT23-3 package. This device is specifically engineered to monitor a single voltage input and provide reliable reset functionality. It features a voltage threshold of 4V, ensuring precise monitoring of power supply levels. The reset timeout is a minimum of 140ms, which is crucial for ensuring that the system has adequate time to stabilize before the reset signal is released. The MAX809JTR operates with an active-low reset output, which is a common requirement in many digital systems.

MAX809JTR Features

• Voltage Monitoring: The MAX809JTR monitors a single voltage input with a threshold of 4V, providing accurate and reliable supervision of power supply levels.
• Reset Timeout: The device offers a minimum reset timeout of 140ms, ensuring that the system has sufficient time to stabilize after power-up or brownout conditions.
• Active-Low Reset Output: The active-low reset output is ideal for compatibility with a wide range of digital systems and microcontrollers.
• Surface-Mount Packaging: The MAX809JTR is available in a surface-mount SOT23-3 package, making it suitable for compact and high-density PCB designs.
• Moisture Sensitivity Level: With an MSL rating of 1 (unlimited), the MAX809JTR is suitable for a wide range of manufacturing environments without the need for special handling.
• Compliance: The MAX809JTR is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

MAX809JTR Applications

The MAX809JTR is ideal for a variety of applications where reliable power supply monitoring and reset functionality are required. Some specific use cases include:

• Embedded Systems: In microcontroller-based systems, the MAX809JTR ensures that the microcontroller is reset properly during power-up or brownout conditions, preventing erratic behavior and ensuring system reliability.
• Industrial Control: For industrial applications where power supply fluctuations are common, the MAX809JTR provides robust monitoring and reset capabilities, enhancing system stability.
• Consumer Electronics: In devices such as routers, modems, and other consumer electronics, the MAX809JTR helps ensure that the system operates reliably under varying power conditions.
• Automotive Electronics: The compact size and surface-mount packaging make the MAX809JTR suitable for automotive applications where space is limited and reliability is paramount.

Conclusion of MAX809JTR

The MAX809JTR is a versatile and reliable supervisor IC designed for single-channel voltage monitoring. Its 4V threshold and 140ms minimum reset timeout make it suitable for a wide range of applications, from embedded systems to industrial control. The active-low reset output and surface-mount packaging further enhance its compatibility and ease of integration into various electronic designs. While the MAX809JTR is now obsolete, it remains a valuable component for existing designs and legacy systems, offering a proven solution for power supply monitoring and reset functionality.