MAX6367LKA44+

Overview

The MAX6367LKA44+ is a low-power supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand, designed for monitoring single voltage inputs in embedded systems. It operates within a supply voltage range of 1.2V to 5.5V and features a fixed reset threshold voltage of 4.4V. The device provides an active-low push-pull output with a standard reset delay time of 280ms. It includes battery backup functionality and chip-enable gating capabilities to minimize power consumption during sleep modes. The component is housed in an SOT-23-8 surface-mount package and supports operation across an industrial temperature range from -40°C to +85°C.

Feature Summary

• Integrates battery backup switch for seamless transition between main and backup power sources
• Includes chip-enable gating to reduce quiescent current during inactive states
• Provides active-low push-pull reset output for direct interface with microprocessors

Applications

• Microprocessor system supervision
• Battery-powered portable devices
• Embedded control systems requiring low standby current

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential availability constraints. Confirm RoHS compliance status and specific tape-and-reel packaging requirements prior to ordering. Ensure that the suffix indicates the correct threshold voltage variant matching design specifications. Cross-reference datasheet revisions to confirm pinout compatibility and electrical characteristics align with current project needs.

Selection Notes

Select this component when a fixed 4.4V threshold is required for single-rail monitoring applications. Consider the integrated battery backup feature if maintaining system state during power transitions is critical. Evaluate the chip-enable function against system power management strategies to optimize overall energy efficiency. Ensure the SOT-23-8 footprint fits within the available PCB area constraints.

Part Context

This part belongs to the MAX6367L series of uPower Supervisors, which are optimized for low-voltage and low-power applications. The series typically offers various threshold voltages and packaging options to suit different system requirements. The MAX6367LKA44+ specifically denotes the 4.4V threshold variant within this family, sharing common architectural features such as the push-pull output and manual reset capability found across similar models.

Replacement Considerations

• MAX6367LKA46+T
• MAX6367LKA29/V+T

FAQ

Does the MAX6367LKA44+ include a manual reset input?

Yes, the device supports manual reset functionality allowing external triggering of the reset signal.

What is the maximum operating supply voltage for this supervisor?

The maximum operating supply voltage is 5.5V.