R3116N431A-TR-FE

Supervisors Overview

The R3116N431A-TR-FE is a voltage detector from the Nisshinbo Micro Devices R3116N series, designed for monitoring single-input supply voltages. It operates within a minimum voltage of 0.5 V and a maximum of 6 V, featuring a threshold voltage of 4.3 V with 0.8% accuracy. The device provides an open-drain output and includes a reset delay time of 100 ms. It consumes a typical operating current of 1.7 uA and supports power failure detection via a backup function. 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

• Provides precise voltage supervision with high accuracy for reliable system monitoring
• Integrates a delay function to prevent false resets during transient voltage fluctuations
• Supports battery backup switching to maintain detection continuity during power transitions

Supervisors Applications

• Monitoring main supply rails in portable electronic devices
• Supervising voltage levels in battery-operated equipment
• Ensuring stable operation in embedded systems requiring power failure detection

Supervisors Procurement Notes

Verify the specific suffix TR-FE confirms the reel packaging format required for your assembly line. Confirm that the 4.3 V threshold aligns with your circuit design specifications. Ensure compatibility with SOT-23-5 footprint dimensions during PCB layout. Check RoHS compliance documentation if restricted substances are mandated by your project standards.

Supervisors Selection Notes

Select this component when a low-voltage detector with a fixed 4.3 V threshold is required. Consider the 1.7 uA quiescent current for battery-sensitive applications. The open-drain output requires appropriate pull-up resistor configuration. Verify that the 100 ms delay meets your system's startup timing requirements.

Supervisors Part Context

This part belongs to the R3116N series of voltage detectors, which are optimized for low-power consumption and high precision. The series offers various threshold voltages to suit different supply rail monitoring needs. The R3116N431A variant specifically targets applications requiring supervision around the 4.3 V level, common in certain logic families or intermediate power rails.

Supervisors Replacement Considerations

Check for other R3116N variants with different threshold voltages if the 4.3 V setting does not match your final design requirements. Ensure any substitute maintains the SOT-23-5 package and open-drain output characteristics for pin-to-pin compatibility.