R3118N211A-TR-FE

Supervisors Overview

The R3118N211A-TR-FE is a low voltage detector manufactured by Nisshinbo Micro Devices, designed for monitoring single-input power supply lines. It operates within a supply voltage range of 1 V to 6 V and features a fixed threshold voltage of 2.1 V with an accuracy of 1.5%. The device utilizes a CMOS output type and includes a reset delay time of 80 us. It supports battery backup switching and power failure detection while consuming a typical operating current of 480 nA. The component is housed in an SOT-23-5 package and functions reliably across a temperature range of -40 C to +85 C.

Supervisors Feature Summary

• Includes a dedicated SENSE pin for enhanced voltage monitoring precision
• Supports battery backup switching to maintain system state during power transitions
• Provides power failure detection capabilities for critical system protection

Supervisors Applications

• Low voltage detection in portable electronic devices
• Power supply monitoring in battery-operated systems
• Voltage supervision in embedded control circuits

Supervisors Procurement Notes

Verify the specific suffix code against official documentation to confirm functional attributes, as variations may exist within the series. Ensure the ordering part number matches the required threshold voltage and package type. Confirm RoHS compliance status through the manufacturer's latest datasheet or environmental declaration before finalizing procurement specifications.

Supervisors Selection Notes

Select this component when a precise 2.1 V threshold is required for single-input monitoring applications. Consider the 480 nA quiescent current for battery life optimization. Verify that the SOT-23-5 package fits the design constraints and that the 6 V maximum input voltage aligns with the system supply rails. Ensure compatibility with CMOS logic levels for the output interface.

Supervisors Part Context

This part belongs to the R3118N series of low voltage detectors from Nisshinbo Micro Devices. The series is characterized by low power consumption and high accuracy, suitable for modern portable electronics. The R3118N variants typically feature a SENSE pin for improved noise immunity and include backup switch functionality for seamless power management in critical applications.

Supervisors Replacement Considerations

Check for direct substitutes within the R3118N family with matching 2.1 V thresholds. Verify pinout compatibility with the SOT-23-5 package. Ensure equivalent electrical parameters such as reset delay and operating voltage range are met by any alternative component.