The Maxim Integrated MAX891LEUA+ is a compact, highly precise voltage supervisor designed to maintain system integrity by monitoring the power supply voltage in digital systems. This device is particularly well-suited for portable and space-constrained applications due to its small 8-pin µMAX package. It ensures that microprocessors (µPs), microcontrollers (MCUs), and other voltage-sensitive components operate within safe voltage levels, thereby preventing potential data corruption and system failures.

Key Features:

• Precision Monitoring: The MAX891LEUA+ offers a high degree of accuracy in monitoring voltage thresholds, ensuring reliable operation of the system it is integrated into.
• Low Power Consumption: With its low quiescent current, it is an energy-efficient solution that contributes to the extended battery life of portable devices.
• Manual Reset Input: This feature provides designers with the flexibility to initiate a system reset manually, allowing for greater control over system behavior.
• Reset Timeout: The device includes a programmable reset timeout period, which can be set according to the specific requirements of the application.
• Active-Low Reset Output: The MAX891LEUA+ provides an active-low reset output signal, which is compatible with a wide range of digital systems and simplifies integration.

Applications:

The versatile nature of the MAX891LEUA+ makes it suitable for a variety of applications, including:

• Portable/Battery-Powered Equipment
• Computers and Servers
• Embedded Systems
• Data Storage Systems
• Industrial Controllers

Technical Specifications:

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage Options: Factory-set from 1.575V to 4.625V
• Package Type: 8-pin µMAX
• Operating Temperature Range: -40°C to +125°C

The MAX891LEUA+ from Maxim Integrated provides a robust and reliable solution for voltage supervision requirements in a variety of electronic systems. Its small footprint, combined with its precision and low power consumption, makes it an excellent choice for ensuring the stability and performance of your next project.