MAX6389XS26D3+

Supervisors Overview

The MAX6389XS26D3+ is a single-channel microprocessor supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It monitors power-supply voltages ranging from +1.8V to +5.0V with a factory-set reset threshold of 2.63V. The device features an active-low, open-drain reset output and provides a minimum reset timeout delay of 280ms. It operates within a temperature range of -40°C to +125°C and consumes only 7µA of supply current at +1.8V. The component is housed in a compact SC-70-4 surface-mount package.

Supervisors Feature Summary

• Monitors power-supply voltages from +1.8V to +5.0V
• Provides active-low, open-drain reset output
• Ensures reliable system startup with fixed reset timeout delay

Supervisors Applications

• Microprocessor (µP) supervisory circuits
• Low-voltage electronic systems monitoring
• Portable battery-powered devices

Supervisors Procurement Notes

Verify the exact part number suffix against official Analog Devices documentation to confirm pinout compatibility and electrical specifications. Ensure the ordering information matches the required reset threshold and package type for your specific design implementation.

Supervisors Selection Notes

Select this component when a low-power, single-channel supervisor with an active-low output is required. Consider the 2.63V threshold and 280ms timeout duration to ensure proper system reset timing relative to your power supply ramp characteristics.

Supervisors Part Context

This part belongs to the MAX6389 series of low-voltage, low-power µP reset circuits. The series offers various threshold voltages and timeout delays to accommodate different microprocessor and memory requirements while maintaining minimal quiescent current consumption.

Supervisors Replacement Considerations

Consult the official MAX6389 datasheet for direct pin-to-pin replacements or functional equivalents within the same family that match the 2.63V threshold and SC-70-4 package constraints.