onsemi

MAX809SN490T1

MAX809SN490T1 Description

The MAX809SN490T1 is a single-channel voltage supervisor IC designed for monitoring power supply voltages in various electronic systems. Manufactured by onsemi, this IC is housed in a compact SOT23-3 package, making it ideal for space-constrained applications. The MAX809SN490T1 features a voltage threshold of 4.9V, ensuring reliable monitoring and protection of power supplies. It also offers a minimum reset timeout of 140ms, providing sufficient time for system recovery and stability.

This supervisor IC is designed with an active-low reset output, which is essential for initializing and resetting microcontrollers and other digital circuits. The MAX809SN490T1 is a surface-mount device, making it suitable for automated assembly processes and enhancing the reliability of the final product. Despite its small form factor, the MAX809SN490T1 offers robust performance and is compliant with REACH regulations, ensuring it is unaffected by hazardous substances.

MAX809SN490T1 Features

• Voltage Monitoring: The MAX809SN490T1 monitors a single voltage rail with a threshold of 4.9V, providing accurate and reliable detection of power supply levels.
• Reset Timeout: It features a minimum reset timeout of 140ms, ensuring that the system has ample time to reset and stabilize before resuming operation.
• Active-Low Reset Output: The active-low reset output is compatible with a wide range of digital circuits, facilitating easy integration into existing systems.
• Surface-Mount Technology: The surface-mount package type allows for efficient and automated assembly processes, reducing production costs and improving reliability.
• Compact Size: Housed in a SOT23-3 package, the MAX809SN490T1 is ideal for applications where space is limited.
• Compliance: The MAX809SN490T1 is REACH unaffected, ensuring compliance with environmental and safety regulations.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the MAX809SN490T1 is suitable for a wide range of manufacturing environments without the need for special handling.

MAX809SN490T1 Applications

The MAX809SN490T1 is well-suited for a variety of applications where reliable power supply monitoring is essential. Some specific use cases include:

• Microcontroller Systems: Ensuring proper initialization and reset of microcontrollers in embedded systems.
• Power Supply Monitoring: Monitoring power supply levels in consumer electronics, industrial controls, and automotive applications.
• Battery-Powered Devices: Providing reliable voltage monitoring in battery-operated devices to prevent under-voltage conditions.
• Telecommunications: Ensuring stable operation of communication equipment by monitoring power supply levels.
• Medical Devices: Ensuring the reliability and safety of medical equipment by monitoring power supply levels.

Conclusion of MAX809SN490T1

The MAX809SN490T1 is a reliable and compact voltage supervisor IC designed for a wide range of applications. Its single-channel monitoring capability, combined with a 4.9V threshold and 140ms minimum reset timeout, makes it an ideal choice for ensuring the stability and reliability of power supplies in various electronic systems. The active-low reset output and surface-mount package further enhance its versatility and ease of integration. Despite its obsolete status, the MAX809SN490T1 remains a valuable component for applications requiring robust power supply monitoring.