MAX6703SKA+T

Supervisors Overview

The MAX6703SKA+T is a triple-input voltage supervisor IC from the MAX6703 series, manufactured by Analog Devices Inc./Maxim Integrated. It monitors three independent voltage rails using two fixed thresholds and one adjustable threshold input. The device features an active-low open-drain reset output with a typical reset delay of 200 ms. It includes a manual reset input for system control and a watchdog timer to prevent software lockups. Operating within a supply range up to 5.5 V, it supports a wide temperature range from -40°C to +125°C. Packaged in an SOT-23-8 surface-mount case, it offers low quiescent current for efficient power management.

Supervisors Feature Summary

• Triple-channel voltage monitoring with two fixed and one adjustable threshold
• Integrated watchdog timer for automated fault recovery
• Manual reset input capability for external system control
• Active-low open-drain reset output with defined timeout period

Supervisors Applications

• Multi-rail microprocessor power supply supervision
• Embedded systems requiring watchdog protection
• Industrial control units with wide temperature operation
• Portable electronics needing low-power monitoring

Supervisors Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and lot traceability upon receipt. Check datasheet revisions for any parameter updates. Ensure storage conditions meet moisture sensitivity level requirements before soldering. Validate pinout compatibility with target PCB footprint design.

Supervisors Selection Notes

Select this part when triple-voltage monitoring is required with mixed fixed and adjustable thresholds. Consider the SOT-23-8 package size constraints and thermal performance. Evaluate the need for manual reset functionality versus automatic-only supervision. Compare quiescent current specifications against system power budget requirements. Verify that the adjustable input range covers the lowest monitored voltage rail.

Supervisors Part Context

This component belongs to the MAX6703 family of low-voltage supervisors designed for microprocessor applications. It shares architectural similarities with the MAX6701, MAX6702, MAX6704, MAX6705, MAX6706, and MAX6707 variants, differing primarily in the number of monitored inputs and threshold configurations. The series emphasizes reliability through integrated watchdog and manual reset features.

Supervisors Replacement Considerations

Public confirmed substitute part numbers: MAX6703AMKA+T, MAX6703YKA+T, MAX6703TKA+T, MAX6703ASKA+T.