MAX6380UR39+T

Supervisors Overview

The MAX6380UR39+T is a single-channel, ultra-low-power voltage supervisor manufactured by Analog Devices Inc. (Maxim Integrated). It operates within an input voltage range of 1.8V to 5.5V and features a fixed reset threshold of 3.9V. The device provides an active-high, push-pull output with a typical reset delay time of 200ms. It consumes only 3µA of supply current at 1.8V and is available in a compact SOT-23-3 surface-mount package. The component supports an extended industrial temperature range from -40°C to +125°C.

Supervisors Feature Summary

• Ultra-low power consumption suitable for battery-operated applications
• Fixed factory-set reset threshold voltage for simplified design
• Active-high push-pull output configuration
• Compact three-pin surface-mount packaging

Supervisors Applications

• Portable electronic devices requiring low standby current
• Battery-powered instrumentation systems
• Microprocessor supervisory circuits
• Consumer electronics power management

Supervisors Procurement Notes

Verify the specific suffix UR39 to confirm the 3.9V threshold voltage and SOT-23-3 package type. Ensure compatibility with the required active-high output logic level. Confirm RoHS compliance status for the specific manufacturing batch. Check availability as distribution may be limited or subject to allocation constraints.

Supervisors Selection Notes

Select this component when a fixed 3.9V supervision point is required with minimal quiescent current. The active-high output simplifies interfacing with logic families that prefer high-active signals. Consider the SOT-23-3 footprint for space-constrained PCB layouts. Verify that the 200ms reset delay meets the system startup timing requirements.

Supervisors Part Context

This part belongs to the MAX6380 series of microprocessor supervisory circuits designed for low-voltage digital systems. The series offers various threshold voltages and output polarities to accommodate different power rail monitoring needs. The Maxim Integrated brand indicates its origin from the legacy analog semiconductor division now under Analog Devices.

Supervisors Replacement Considerations

Cross-reference with other MAX6380 variants for different threshold voltages if the 3.9V setting is not optimal. Verify pinout compatibility with existing board designs before substituting. Check for equivalent parts from other manufacturers offering similar ultra-low-power specifications.