MAX6338MUB+

Overview

The MAX6338MUB+ is a quad voltage monitor IC from Analog Devices Inc./Maxim Integrated, housed in a 10-pin uMAX/uSOP package. It monitors four supply voltages without external components. Thresholds include 2.63V, 4.38V, adjustable, and -4.38V. It features open-drain active-low outputs with a reset timeout of less than 1ms minimum. The device operates within a +2.5V to +5.5V supply range and consumes 25µA supply current. It is guaranteed for operation between -40°C and +85°C.

Feature Summary

• Monitors up to four independent supply voltages simultaneously
• Factory-trimmed threshold options including user-adjustable settings
• Provides four independent open-drain active-low reset outputs
• Operates without requiring any external components

Applications

• Telecommunications systems
• Desktop and notebook computers
• Data storage equipment
• Industrial equipment

Procurement Notes

Verify the specific suffix 'MUB+' against official datasheets to confirm the exact threshold configuration (2.63V, 4.38V, Adjustable, -4.38V). Confirm package type is 10-uMAX/uSOP. Check RoHS compliance status as legacy Maxim parts may vary. Ensure operating temperature range matches application requirements (-40°C to +85°C). Validate supply voltage compatibility (+2.5V to +5.5V).

Selection Notes

Select this component when monitoring multiple rails in space-constrained designs. The integrated nature eliminates external resistor networks. Verify that the open-drain output structure suits the system logic levels. Consider the low supply current for power-sensitive applications. Ensure the available factory thresholds cover all required monitoring points.

Part Context

This part belongs to the MAX6338 family of quad voltage monitors designed for compact PCB layouts. It replaces discrete comparator solutions by integrating precision references and comparators into a single small footprint. The uMAX package facilitates high-density surface-mount assembly for modern electronic devices requiring reliable power supervision.

Replacement Considerations

Direct substitutes within the MAX6338 series may exist with different suffixes indicating varied threshold combinations or packaging options. Verify pinout compatibility before substitution. Cross-reference with other Maxim quad monitors if specific threshold values differ.