MAX6307UK45D2-T

Supervisors Overview

The MAX6307UK45D2-T is a CMOS microprocessor supervisory circuit designed to monitor multiple power supplies. It features two monitored inputs with active low, open drain outputs. The device operates within a supply voltage range up to 5.5 V and includes an overvoltage threshold of 2.538 V and an undervoltage threshold of 2.463 V. It has a reset delay time of 1.4 ms and consumes 8 uA of operating supply current. The component is housed in a SOT-23-5 package measuring 2.9 mm in length and 1.1 mm in height.

Supervisors Feature Summary

• Monitors more than one power supply for system integrity
• Asserts system reset if monitored supplies fall outside programmed thresholds
• Designed to ignore fast transients on any monitored supply

Supervisors Applications

• Monitoring 5V and 3.3V supplies in personal computer systems
• Portable applications requiring low supply current
• Microprocessor supervisory circuits

Supervisors Procurement Notes

Verify the specific suffix D2 against official Analog Devices documentation to confirm the exact factory-programmed reset threshold voltage. Ensure the SOT-23-5 package dimensions match your PCB footprint requirements. Confirm RoHS compliance status as indicated in the latest datasheet revision before finalizing procurement specifications.

Supervisors Selection Notes

Select this component when dual-input voltage supervision is required without manual reset or watchdog timer functionality. The open-drain output type necessitates appropriate pull-up resistor configuration in the design. Consider the 1.4 ms reset delay time relative to system startup timing requirements and ensure the 8 uA quiescent current aligns with battery life expectations for portable designs.

Supervisors Part Context

This part belongs to the MAX6305–MAX6313 series of 5-pin, multiple-input, programmable reset ICs manufactured by Maxim Integrated, now part of Analog Devices. These devices are specifically engineered for monitoring critical power rails in embedded systems where reliable reset generation is essential for proper microprocessor operation and system stability.

Supervisors Replacement Considerations

Check for MAX6307 variants with different suffixes (e.g., D3, D4) which may offer different reset thresholds or delay times. Verify pinout compatibility with existing designs when substituting. Ensure the replacement maintains the same SOT-23-5 package and electrical characteristics such as supply voltage range and output type.