R3111N461A-TR-FE

Supervisors Overview

The R3111N461A-TR-FE is a low voltage detector manufactured by Nisshinbo Micro Devices, designed for monitoring power supply integrity. It operates within a supply voltage range of 700 mV to 10 V and features a precise threshold voltage of 4.6 V. The device exhibits an accuracy of 2% and consumes a typical operating current of 1.3 uA. It provides an open-drain output with a reset delay time of 100 us and includes a battery backup switch function. Packaged in an SOT-23-5 format, it supports surface mount installation and functions reliably across temperatures from -40 C to +85 C.

Supervisors Feature Summary

• Monitors single input voltage with high precision detection capabilities
• Features open-drain output configuration for flexible interfacing
• Includes battery backup switch to maintain detection during power transitions

Supervisors Applications

• Power supply monitoring in portable electronic devices
• Voltage supervision for microcontroller systems
• Battery management circuits requiring low quiescent current

Supervisors Procurement Notes

Verify the specific package type and pinout configuration against the official datasheet before integration. Confirm that the threshold voltage tolerance meets the system requirements. Ensure compatibility with the target operating temperature range. Check for any specific handling instructions related to the SMD/SMT mounting process. Validate electrical parameters against the latest manufacturer documentation.

Supervisors Selection Notes

Select this component when a fixed 4.6 V threshold is required for voltage supervision. Consider the low operating current for battery-powered applications. Evaluate the SOT-23-5 package size against available board space. Compare performance metrics with other series members if different thresholds are needed. Verify the open-drain output suits the downstream logic levels.

Supervisors Part Context

This part belongs to the R3111N series of supervisory circuits from Nisshinbo Micro Devices. The series focuses on low voltage detection with minimal power consumption. Variants within the series differ primarily in threshold voltage settings while maintaining similar functional characteristics and packaging options.

Supervisors Replacement Considerations

Check for direct substitutes within the R3111N series offering identical 4.6 V thresholds. Verify pin-to-pin compatibility with alternative packages if space constraints change. Ensure replacement parts meet the same electrical specifications and environmental ratings.