MAX6328XR25-T

Overview

The MAX6328XR25-T is a voltage supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of up to 5.5 V and features a threshold voltage of 2.5 V with an accuracy of 1.5%. The device provides an active low, open drain output and includes a reset delay time of 185 ms. It consumes a typical operating supply current of 500 nA and has a power dissipation rating of 320 mW. The component functions in temperatures from -40 C to +85 C and is housed in a SOT-23-3 package.

Feature Summary

• Ultra-low-power operation with minimal standby current consumption
• Active low open-drain reset signal output for logic interfacing
• Fixed threshold voltage monitoring for precise power supervision

Applications

• Portable battery-powered equipment requiring extended battery life
• Microprocessor system power management and supervision
• Smart cards and handheld instruments

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm exact threshold voltage and package type. Ensure compatibility with required reset delay times and output configurations. Cross-reference datasheet specifications for thermal performance and electrical limits before integration into final designs.

Selection Notes

Select this component when ultra-low quiescent current is critical for battery conservation. The fixed threshold simplifies design compared to adjustable supervisors. Verify that the open-drain output capability aligns with the target system's logic levels and pull-up requirements.

Part Context

This part belongs to the MAX6328U series of ultra-low-power reset circuits. It is designed for applications where power efficiency is paramount. The series offers various threshold options to accommodate different supply rail voltages while maintaining consistent low-power characteristics across the family.

Replacement Considerations

Consult official substitution guides for equivalent parts within the same product family. Verify pinout compatibility and electrical parameter alignment before replacing existing components in established designs.