Product Overview: MAX6837FXSD3 from Maxim Integrated

The MAX6837FXSD3, crafted by the renowned Maxim Integrated, is a microprocessor (µP) supervisory circuit designed to monitor power supplies in µP and digital systems. It provides a significant layer of protection by ensuring that the system's power supply remains within acceptable operating limits.

Key Features

• Voltage Monitoring: This device offers precision monitoring of a +3.0V power-supply voltage, ensuring that the system operates reliably over its voltage range.
• Power-On Reset: The MAX6837FXSD3 generates a reset signal whenever the monitored voltage falls below the factory-set reset threshold, helping to safeguard the µP during power-up, power-down, and brown-out conditions.
• Low Power Consumption: With its low supply current of only 1.5µA, this supervisory circuit is ideal for power-sensitive applications.
• Manual Reset Input: A manual reset input is provided, allowing for a triggered system reset by an external event or user interaction.

Applications

The MAX6837FXSD3 is suitable for a wide range of applications where reliable system operation is critical. It is commonly used in:

• Portable/Battery-Powered Equipment
• Computers and Controllers
• Embedded Systems
• Data Storage Equipment
• Telecommunications Infrastructure

Technical Specifications

The device comes in a compact, 5-pin SOT23 package, which is highly beneficial for space-constrained applications. It has an operating temperature range of -40°C to +85°C, making it suitable for industrial environments. Furthermore, the MAX6837FXSD3 features an active-low reset output, which remains asserted for a minimum of 140ms after the monitored voltage exceeds the reset threshold, ensuring a proper system reset.

Conclusion

The MAX6837FXSD3 from Maxim Integrated is a robust, low-power supervisory circuit that brings reliability and stability to digital systems. Its precise voltage monitoring and reset capabilities make it an essential component for safeguarding system integrity across various applications.