MAX6353UWUK+T

Overview

The MAX6353UWUK+T is a dual-input voltage supervisory circuit from the MAX6353L family, manufactured by Analog Devices Inc./Maxim Integrated. It monitors two power rails with factory-trimmed thresholds of 1.67 V and 2.78 V, featuring corresponding overvoltage limits at 1.7 V and 2.82 V. The device provides active low, push-pull reset outputs with a fixed 180 ms reset delay time. It operates within a supply voltage range up to 5.5 V and maintains an accuracy of 1.5%. The component draws 20 uA of operating current and functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Dual-channel monitoring capability for independent power supply supervision
• Active low push-pull output configuration for direct logic interfacing
• Manual reset input functionality for system control
• High precision threshold detection with 1.5% accuracy

Applications

• Portable electronic devices requiring multi-voltage supervision
• Battery-powered systems with multiple rail requirements
• Embedded controllers needing manual reset capabilities
• Industrial equipment operating in extended temperature ranges

Procurement Notes

Verify the specific suffix UK against the manufacturer's official datasheet to confirm pinout and electrical characteristics match your design requirements. Confirm RoHS compliance status through the latest documentation. Check current availability as distribution channels may list limited stock or end-of-life status. Ensure the SOT-23-5 package variant aligns with your PCB footprint constraints before finalizing procurement orders.

Selection Notes

Select this component when dual voltage monitoring is required without watchdog timer complexity. The 180 ms delay suits applications tolerant of standard power-on sequences. Verify that the 1.67 V and 2.78 V thresholds precisely match your target supply rails. Consider the 20 uA quiescent current impact on overall system battery life compared to lower-power alternatives if extreme efficiency is critical.

Part Context

This part belongs to the MAX6353L series of microprocessor supervisory circuits designed for portable and industrial applications. It shares the SOT-23-5 package form factor with other Maxim Integrated supervisors but offers distinct dual-input functionality. The device complements single-channel monitors like the MAX6354 by providing simultaneous oversight of two critical power lines within a compact surface-mount footprint.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.