MAX6337US20D3

Overview

The MAX6337US20D3 is a voltage supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range up to 5.5 V and features an overvoltage threshold of 2.04 V. The device draws an operating supply current of 3.3 uA and dissipates 320 mW. It provides an active low, open-drain output with a reset delay time of 150 ms. Accuracy is specified at 1.8%. The component supports manual reset functionality and functions without a watchdog timer or battery backup switch. It is housed in a SOT-143-4 package and operates between -40 C and +125 C.

Feature Summary

• Provides single-channel voltage supervision with manual reset capability
• Features ultra-low-voltage operation and low power consumption
• Delivers active low open-drain output signal

Applications

• Microprocessor reset circuits
• Battery-powered system monitoring
• Portable electronic device power management

Procurement Notes

Verify the specific suffix D3 against official Analog Devices documentation to confirm pinout and electrical characteristics. Confirm RoHS compliance status through the manufacturer's latest datasheet. Ensure the SOT-143-4 package matches the design requirements. Cross-reference the part number with authorized distributors to validate authenticity and availability status.

Selection Notes

Select this component for applications requiring precise voltage monitoring with minimal quiescent current. The 1.8% accuracy and 150 ms delay suit systems needing reliable reset generation. Consider the SOT-143-4 package size for space-constrained designs. Verify that the 2.04 V threshold aligns with the monitored rail voltage.

Part Context

This part belongs to the MAX6337 series of ultra-low-voltage, low-power microprocessor reset circuits. The series offers various threshold voltages and packages. The US20 variant specifically targets the 2.04 V threshold application. The D3 suffix indicates the specific tape-and-reel packaging configuration.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.