DS1817R-20-U+

Supervisors Overview

The DS1817R-20-U+ is a precision voltage-monitoring reset integrated circuit manufactured by Analog Devices Inc./Maxim Integrated. Designed for 3.0V systems, it features an active-high push-pull output and operates within the SOT-23-3 package. The device monitors supply voltage to ensure system reliability by generating a reset signal when the input drops below the specified threshold.

Supervisors Feature Summary

• Precision voltage monitoring with active-high push-pull output
• Designed specifically for 3.0V system applications
• Compact SOT-23-3 surface-mount package

Supervisors Applications

• 3.0V power supply monitoring
• System reset generation in embedded electronics
• Voltage supervision for microcontroller circuits

Supervisors Procurement Notes

Verify the specific suffix 'U+' against official Analog Devices documentation to confirm pinout and electrical characteristics match your design requirements. Confirm availability status through authorized distributors as lead times may vary. Ensure the SOT-23-3 package footprint aligns with your PCB layout constraints before finalizing procurement.

Supervisors Selection Notes

Select this component when a precise reset threshold for 3.0V rails is required with an active-high output. Compare against other DS1817 variants if different thresholds or output polarities are needed. Verify that the manual reset capability and watchdog timer functions (if applicable to the broader family) meet the system's safety standards.

Supervisors Part Context

This part belongs to the Maxim Integrated EconoReset family of supervisory circuits. These devices provide reliable power management solutions for portable and industrial applications. The DS1817 series is known for low quiescent current and high accuracy, making it suitable for battery-powered and space-constrained designs requiring robust voltage supervision.

Supervisors Replacement Considerations

DS1817R-20+T&R is a listed substitute.