MAX6865UK39D5S+T

Supervisors Overview

The MAX6865UK39D5S+T is a single-channel voltage supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It operates within a supply voltage range up to 5.5 V and features a threshold voltage of 3.9 V with an overvoltage threshold of 3.998 V. The device provides an active high, push-pull output and includes manual reset functionality alongside a watchdog timer. It has no battery backup switch and consumes 7 uA of operating current. The reset delay time is specified at 450 ms, with power dissipation rated at 571 mW. It supports surface mount installation in an SOT-23-5 package.

Supervisors Feature Summary

• Integrates a watchdog timer for system fault monitoring
• Provides manual reset capability via external input
• Features active high push-pull output driver

Supervisors Applications

• Single nPower supervisor applications
• Voltage supervisory circuits requiring manual reset
• Systems utilizing integrated watchdog timers

Supervisors Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm RoHS compliance and REACH status prior to integration. Check datasheet revisions for any parameter updates. Ensure packaging specifications match production requirements. Validate thermal performance against specified power dissipation limits.

Supervisors Selection Notes

Select this part for single-input supervision needs with specific 3.9 V threshold requirements. Consider the active high output polarity and push-pull drive strength. Evaluate the 450 ms reset delay against system timing constraints. Verify compatibility with the SOT-23-5 footprint and -40 C to +85 C operating temperature range.

Supervisors Part Context

This component belongs to the MAX6865 series of single-channel supervisors. It shares family characteristics such as low quiescent current and manual reset options. The suffix D5S indicates specific threshold and package variations within the product line. It is distinct from the MAX6864 series which may feature different output polarities.

Supervisors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The component status is listed as discontinued. Cross-reference with other MAX6865 variants having similar thresholds if functional equivalence is required.