MAX6338DUB+T

Overview

The MAX6338DUB+T is a quad voltage monitor supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It features four independent inputs for monitoring supply voltages with thresholds including 1.8 V, 3.3 V, 5 V, and adjustable options. The device provides active low, open-drain outputs and operates within a power supply range up to 5.5 V. It draws 35 uA of quiescent current and maintains an accuracy of 2.5%. The component functions reliably across an operating temperature range from -40 C to +85 C and is housed in a UMAX-10 surface-mount package.

Feature Summary

• Monitors four distinct input voltages simultaneously
• Provides active low open-drain output signals
• Supports fixed and adjustable threshold configurations

Applications

• Multi-rail power system supervision
• Embedded controller reset management
• Portable electronic device power integrity monitoring

Procurement Notes

Verify the specific suffix designation to confirm tape-and-reel packaging versus tube configuration. Confirm RoHS compliance status through official manufacturer documentation. Ensure the selected variant matches the required threshold voltage specifications for your design. Cross-reference the datasheet revision to validate electrical characteristics against your application requirements.

Selection Notes

Select this component when simultaneous monitoring of four separate voltage rails is required. The open-drain output architecture allows for flexible interfacing with various logic families. Consider the 35 uA quiescent current consumption for battery-operated applications. Verify that the UMAX-10 package dimensions fit within the available PCB real estate constraints.

Part Context

This part belongs to the MAX6338 series of quad voltage monitors. The D suffix typically denotes industrial temperature range performance. The T suffix indicates tape-and-reel packaging for automated assembly processes. The device integrates multiple supervisor channels into a single compact footprint to reduce board space.

Replacement Considerations

Check for MAX6338IUB+T for alternative threshold configurations. Verify pinout compatibility before substituting any similar quad supervisor ICs. Confirm that replacement parts maintain the same active low open-drain output structure.