MAX6348UR43+

Overview

The MAX6348UR43+ is a voltage supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 2.7 V to 5.5 V and consumes only 500 nA of quiescent current. The device features an active low, open-drain reset output with a fixed delay time of 280 ms. It supports multiple threshold voltages including 2.5 V, 3 V, 3.3 V, and 5 V. The component is housed in a compact SOT-23-3 package and functions reliably across an operating temperature range from -40°C to +85°C.

Feature Summary

• Provides reliable power-on reset signals for microprocessor systems
• Features ultra-low power consumption suitable for battery-operated devices
• Delivers active low reset signal via open-drain output configuration

Applications

• Battery-powered portable electronic devices requiring efficient power management
• Automotive systems needing stable voltage supervision under varying conditions
• Embedded systems requiring simple power-on reset functionality without manual intervention

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for obsolescence notices as availability may be limited. Ensure proper handling procedures are followed during storage and installation to maintain device integrity and performance specifications.

Selection Notes

Select this component when designing circuits requiring precise voltage monitoring with minimal power draw. Consider the specific threshold voltage requirements matching your system's logic levels. Evaluate thermal constraints given the operational temperature range and ensure compatibility with existing reset timing requirements in your application design.

Part Context

This supervisor IC belongs to the MAX6348 series designed for voltage monitoring applications. It serves as a critical component in ensuring system stability by detecting under-voltage conditions. The series offers various threshold options to accommodate different digital logic families and power supply architectures commonly found in modern electronic designs.

Replacement Considerations

Check for compatible alternatives within the same voltage supervisor family. Verify pinout compatibility and electrical parameter equivalence before substitution. Consult official documentation for cross-reference information regarding equivalent components from other manufacturers.