MAX6315US30D3+T

Supervisors Overview

The MAX6315US30D3+T is a low-power CMOS microprocessor supervisory circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It monitors a single power supply input and provides an active-low, open-drain reset output when the voltage falls below the fixed threshold of 3.0 V. The device features a manual reset input for system control and operates within a supply voltage range up to 5.5 V. It includes a typical reset delay time of 200 ms and consumes only 5 µA of operating supply current. The component is housed in a compact SOT-143-4 surface-mount package and supports an industrial temperature range from -40°C to +125°C.

Supervisors Feature Summary

• Provides reliable system reset generation via an open-drain output when monitored supply voltage drops below the specified threshold.
• Includes a dedicated manual reset input pin allowing external control over the reset state independent of supply voltage conditions.
• Designed for ultra-low power consumption suitable for battery-operated applications with minimal impact on standby current.

Supervisors Applications

• Monitoring power supplies in microprocessor and digital systems
• Battery-powered portable electronic devices requiring low quiescent current
• Industrial control systems operating across extended temperature ranges

Supervisors Procurement Notes

Verify the exact suffix D3 against official Analog Devices documentation to confirm the specific threshold voltage variant, as the MAX6315 series utilizes alphanumeric codes to denote different fixed thresholds. Confirm RoHS compliance status through the manufacturer's current datasheet revision. Ensure the SOT-143-4 package dimensions match your PCB footprint requirements before finalizing procurement decisions.

Supervisors Selection Notes

Select this component when a fixed 3.0 V threshold is required for monitoring a single rail with an open-drain interface. Consider the 5 µA supply current for energy-sensitive designs. Verify that the 200 ms reset delay meets the timing requirements of the target microprocessor or logic circuit. Ensure the operating voltage range covers the minimum system voltage during brown-out conditions.

Supervisors Part Context

This part belongs to the MAX6315 family of uP reset circuits designed for monitoring single power supplies. The series offers various fixed threshold voltages and packages, including SOT-143 and SC-70 options. These devices are engineered to provide high accuracy and immunity to short transients, making them suitable for demanding embedded applications where reliable reset generation is critical.

Supervisors Replacement Considerations

Check for MAX6315US30D3+ without the trailing T if reel packaging is not required. Verify compatibility with other MAX6315 variants sharing the same SOT-143-4 package and open-drain output type, ensuring the threshold voltage matches the design specification exactly.