Maxim Integrated MAX811MEUS-T Voltage Monitor IC

The MAX811MEUS-T from Maxim Integrated is a compact, low-power microprocessor (µP) supervisory circuit designed to monitor power supplies in digital systems. It provides a precise, factory-trimmed V<sub>CC reset threshold and timing features to ensure reliable operation of microprocessor-based systems.

This voltage monitor IC is ideal for use in a wide range of applications, including computers, controllers, intelligent instruments, and critical µP power monitoring. The device is particularly suitable for battery-powered electronics where power conservation is paramount.

Key Features:

• Precision Voltage Monitoring: The MAX811MEUS-T offers a preset V<sub>CC reset threshold voltage of 4.63V, ensuring your system operates within safe voltage levels.
• Reset Timeout: It includes a 140ms minimum power-on reset timeout (t<sub>RP), which provides a delay before allowing the processor to start up, ensuring the power supply is stable.
• Low Power Consumption: With a low supply current of 17µA, it's an excellent choice for portable and battery-operated applications.
• Compact SOT-143 Package: The device comes in a small-outline transistor package, which is suitable for space-constrained applications.
• Operating Temperature Range: It can reliably function in a wide range of temperatures from -40°C to +85°C, making it versatile for various environments.
• Manual Reset Capability: The inclusion of a manual reset input allows for a reset to be triggered with an external switch or software command.

Applications:

• Portable Devices
• Embedded Systems
• Intelligent Instruments
• Automotive Systems
• Data Storage Systems
• Medical Monitoring Devices

The MAX811MEUS-T supervisory circuit from Maxim Integrated is a reliable solution for system designers looking to enhance the stability and robustness of their microprocessor-based systems. Its low power consumption, precision monitoring capabilities, and compact form factor make it an excellent choice for a broad array of applications.