MAX6361LUT44+

Overview

The MAX6361LUT44+T is a low-power microprocessor supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 1.2V to 5.5V and features a fixed reset threshold voltage of 4.40V. The device provides an active-high, open-drain reset output with a typical delay time of 280ms. It includes a manual reset input and a battery backup switch for extended functionality. Packaged in a compact SOT-23-6 surface-mount format, it supports operation across a temperature range of -40°C to +85°C.

Feature Summary

• Provides reliable voltage supervision with a fixed 4.40V threshold for precise monitoring
• Integrates a manual reset input allowing user-initiated system resets
• Includes a battery backup switch to maintain supervision during power transitions
• Delivers an active-high open-drain reset signal compatible with various logic families

Applications

• Microprocessor power supply monitoring in embedded systems
• Battery-powered devices requiring backup switch functionality
• Industrial control systems operating in wide temperature ranges
• Portable electronics needing low quiescent current supervision

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential availability constraints. Confirm package marking and date codes against official documentation. Ensure storage conditions comply with moisture sensitivity levels specified in the datasheet. Cross-reference part numbers carefully as suffixes may indicate tape-and-reel packaging variations. Request lot traceability certificates if required for quality assurance protocols.

Selection Notes

Evaluate the fixed 4.40V threshold against target system voltage requirements to ensure proper reset triggering. Consider the active-high output polarity compatibility with downstream logic inputs. Assess the need for manual reset capability versus automatic-only supervision. Review thermal performance specifications relative to expected ambient operating conditions. Compare quiescent current consumption against battery life requirements for portable applications.

Part Context

This component belongs to the MAX6361 series of low-power microprocessor supervisors designed for critical voltage monitoring tasks. The series offers various threshold options and output configurations to suit different system architectures. Manufactured using advanced CMOS processes, these devices emphasize low power consumption and high reliability. The specific model integrates standard supervisory functions with additional manual reset and backup capabilities for enhanced system control flexibility.

Replacement Considerations

Consult official cross-reference guides for electrically equivalent alternatives with matching threshold voltages and output polarities. Verify pinout compatibility to avoid PCB redesign requirements when substituting components. Ensure replacement parts meet identical temperature range and package dimension specifications. Confirm that any substitute maintains the same manual reset and battery backup functionality if present in the original design.