MAX6365LKA26+T

Overview

The MAX6365LKA26+T is a low-power microprocessor supervisory circuit manufactured by Analog Devices Inc. (Maxim Integrated). It operates within a supply voltage range of 1.0V to 5.5V and features a fixed reset threshold of 2.60V. The device provides an active-low, push-pull reset output with a typical delay of 280ms. Key functional attributes include battery backup switching for seamless power transitions and chip-enable gating to control reset assertion based on system activity. It lacks a manual reset input and watchdog timer. The component is housed in an SOT-23-8 package and supports operation across a temperature range of -40°C to +85°C.

Feature Summary

• Integrates battery backup switching functionality to maintain system state during power transitions.
• Includes chip-enable gating logic to manage reset signal assertion relative to processor activity.
• Delivers an active-low, push-pull reset output for direct interface with digital logic.
• Designed for low-power applications with minimal quiescent current consumption.

Applications

• Microprocessor power supply monitoring in embedded systems
• Battery-powered devices requiring seamless power source switching
• Industrial control units operating in extended temperature environments

Procurement Notes

Verify the specific suffix 'LKA26' against the official Maxim Integrated datasheet to confirm the exact threshold voltage and package configuration. Ensure compatibility with the target PCB footprint for the SOT-23-8 package. Confirm that the absence of a manual reset input aligns with the system design requirements. Check current availability status as this series may have limited stock or obsolescence notices.

Selection Notes

Select this component when a fixed 2.60V threshold is required for voltage supervision. The inclusion of chip-enable gating makes it suitable for systems where reset must be inhibited during initialization or sleep modes. Verify that the single-input architecture meets the monitoring needs without requiring additional external comparators. Consider the SOT-23-8 form factor for space-constrained designs.

Part Context

This part belongs to the MAX6365L family of low-power microprocessor supervisors. The family is characterized by integrated battery backup switches and optional chip-enable features. Variants within the series differ primarily by reset threshold voltage and package type, allowing designers to tailor power management solutions for various voltage rails and physical constraints.

Replacement Considerations

Consult the official cross-reference guide for electrically compatible alternatives with matching thresholds and pinouts. Verify that any substitute maintains the same chip-enable and battery backup functionalities. Ensure the replacement component supports the required SOT-23-8 package and industrial temperature range.