MAX6345MUT+T

Overview

The MAX6345MUT+T is a microprocessor supervisory circuit in a 6-pin SOT-23 package. It monitors supply voltages between +1V and +5.5V with a fixed reset threshold of 4.63V. The device features an active-low push-pull reset output and a manual reset input. It includes a power-fail comparator with a +1.25V threshold for low-battery detection or monitoring secondary supplies. Operating temperatures range from -40°C to +125°C.

Feature Summary

• Provides factory-trimmed reset threshold voltage for accurate system supervision
• Integrates a dedicated power-fail comparator for additional voltage monitoring capabilities
• Supports manual reset functionality via the MR input pin

Applications

• Digital system power supply monitoring
• Low-battery detection circuits
• Secondary power supply supervision

Procurement Notes

Verify component authenticity through authorized distributors. Confirm RoHS compliance status as indicated in official documentation. Check for lead-free specifications if required by assembly standards. Ensure the part number suffix matches the specific variant requirements for your design.

Selection Notes

Select this component when a fixed 4.63V threshold is required within the 1V to 5.5V operating range. The SOT-23-6 package suits space-constrained designs. Consider the manual reset feature and power-fail comparator if additional supervision logic is needed without external components.

Part Context

Part of the MAX6342–MAX6345 family of µP supervisory circuits designed to improve system reliability. These devices replace separate ICs or discrete components, offering improved accuracy and reduced board space. The family provides various fixed threshold options for different supply voltage monitoring needs.

Replacement Considerations

Compatible substitutes include other members of the MAX634x family such as MAX6342MUT, MAX6343MUT, and MAX6344MUT, which share identical pinouts and functional characteristics but differ in reset threshold voltages.