MAX6345TUT+T

Overview

The MAX6345TUT+T is a voltage supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand, housed in a SOT-23-6 surface-mount package. It features two monitored inputs with active low open-drain outputs and includes a manual reset input alongside a watchdog timer. The device operates within a supply voltage range up to 5.5 V and supports threshold voltages of 1.8 V, 2.5 V, 3 V, 3.3 V, and 5 V. It provides a reset delay time of 280 ms and consumes 20 uA of operating current. The component functions reliably across an industrial temperature range from -40 C to +85 C.

Feature Summary

• Integrates dual voltage monitoring with manual reset capability for comprehensive power system supervision
• Includes built-in watchdog timer functionality to ensure processor stability during fault conditions
• Delivers active low open-drain output signals compatible with standard digital logic interfaces

Applications

• Personal computer and notebook computer power management systems
• Industrial control board voltage supervision
• Consumer electronics power sequencing applications

Procurement Notes

Verify the specific suffix variant against official datasheets as the base part number covers multiple threshold configurations. Confirm availability status directly with authorized distributors since supply constraints may apply. Ensure the selected package matches the PCB footprint requirements. Validate RoHS compliance documentation prior to integration into final assemblies.

Selection Notes

Select this component when dual-channel voltage monitoring with integrated watchdog protection is required in compact designs. The SOT-23-6 package suits space-constrained applications. Verify that the available threshold options align with the target supply rails. Consider the 20 uA quiescent current for battery-operated or low-power system implementations.

Part Context

This part belongs to the MAX6345 series of microprocessor reset circuits designed for general-purpose voltage supervision. The series offers configurable thresholds and integrates watchdog timers to enhance system reliability. It serves as a critical component for ensuring stable operation in embedded systems requiring robust power monitoring capabilities.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure replacement parts maintain identical pinout compatibility and electrical specifications.