MAX6309UK32D1-T

Supervisors Overview

The MAX6309UK32D1-T is a CMOS microprocessor supervisory circuit designed to monitor multiple power supplies. It asserts a system reset if any monitored supply falls outside the programmed threshold, specifically suited for monitoring 5V and 3.3V rails in personal computer systems. The device features a manual reset input and ignores fast transients on monitored supplies. It operates within an extended temperature range of -40°C to +85°C and is housed in a compact SOT-23-5 package.

Supervisors Feature Summary

• Monitors more than one power supply and asserts a system reset if any monitored supply falls outside the programmed threshold
• Features a manual reset input for external control capabilities
• Designed to ignore fast transients on any monitored supply to prevent false triggering

Supervisors Applications

• Monitoring both 5V and 3.3V power supplies in personal computer systems
• Portable applications requiring low supply current and small package size
• Microprocessor (µP) supervisory circuits requiring multi-input voltage monitoring

Supervisors Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and lead-free specifications against the specific manufacturing batch documentation. Ensure the ordering suffix matches the required threshold voltage and package variant to avoid functional mismatches during integration.

Supervisors Selection Notes

Select this part when multi-supervision of distinct voltage rails is required within a single IC footprint. The fixed 3.2V threshold setting dictates suitability for specific logic levels. Verify that the manual reset pin functionality aligns with the system's reset architecture requirements before finalizing the design.

Supervisors Part Context

This component belongs to the MAX6305–MAX6313 family of 5-pin, multiple-input, programmable reset ICs manufactured by Maxim Integrated. These devices are engineered for robust power management in embedded systems, offering reliable supervision across varying industrial and commercial temperature ranges.

Supervisors Replacement Considerations

Compatible substitutes within the same series include MAX6309EUK32D3+T and MAX6309UK32D1+T. Verify electrical parameters and package dimensions match before substitution.