MAX6315US44D3-T

Supervisors Overview

The MAX6315US44D3-T is a single-channel voltage supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range of 1 V to 5.5 V and features a fixed threshold voltage of 4.4 V with an overvoltage threshold of 4.58 V. The device provides an active-low, open-drain reset output and includes a manual reset input. It offers a reset delay time of 280 ms and consumes only 5 µA of operating supply current. The component is housed in a compact SOT-143-4 surface-mount package and supports operation across an extended temperature range from -40°C to +125°C.

Supervisors Feature Summary

• Provides low-power voltage supervision for microprocessor systems with minimal quiescent current consumption.
• Features a bidirectional-compatible or open-drain reset output architecture suitable for direct interfacing with various logic families.
• Includes a manual reset input pin to allow external triggering of the reset state independent of voltage levels.

Supervisors Applications

• Monitoring power supplies in microprocessor-based digital systems
• Ensuring system reliability in embedded controllers requiring manual reset capability
• Voltage supervision for battery-powered devices operating within the 1 V to 5.5 V range

Supervisors Procurement Notes

Verify the exact suffix designation against official Analog Devices documentation, as variations such as +T or -T may indicate specific packaging or compliance configurations. Confirm availability status directly with authorized distributors, as this part number may be subject to limited supply or end-of-life restrictions. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment.

Supervisors Selection Notes

Select this component when a fixed 4.4 V threshold is required for monitoring a single power rail in space-constrained designs. The SOT-143-4 package offers a small footprint suitable for dense PCB layouts. Consider the 280 ms reset delay and 5 µA current draw when evaluating compatibility with low-power requirements and system startup timing constraints compared to faster or higher-current alternatives.

Supervisors Part Context

This part belongs to the MAX6315 series of uPower Reset Circuits designed by Maxim Integrated. The series focuses on providing reliable voltage supervision with ultra-low power consumption. The US44D3 designation specifically indicates the 4.4 V threshold variant within the SOT-143-4 package family, distinguishing it from other threshold options like 3.8 V or 4.5 V available in the same series.

Supervisors FAQ

What is the reset delay time for the MAX6315US44D3-T?

The reset delay time is 280 ms, ensuring that the reset signal remains asserted for a sufficient duration after the supply voltage drops below the threshold.

Does the MAX6315US44D3-T support manual reset functionality?

Yes, the device includes a manual reset input that allows the user to trigger a reset state independently of the monitored supply voltage level.