R3119N023A-TR-FE

Supervisors Overview

The R3119N023A-TR-FE is a voltage detector from the Nisshinbo R3119N series, designed for monitoring single-input power supplies. It features a threshold voltage of 2.3 V and operates within a supply voltage range of 1.2 V to 36 V. The device provides an open-drain CMOS output with a fixed reset delay time of 85 ms. It maintains an accuracy of 1.5% and draws a typical operating current of 3.3 uA. The component supports battery backup switching and includes power failure detection capabilities. It is housed in an SOT-23-5 package and functions reliably across a temperature range of -40°C to +105°C.

Supervisors Feature Summary

• Supports high input voltage monitoring up to 36 V with low quiescent current consumption
• Includes a dedicated SENSE pin for flexible delay function configuration or external sensing
• Provides accurate voltage supervision with 1.5% threshold tolerance and fixed 85 ms reset delay
• Integrates battery backup switching functionality to maintain system state during power transitions

Supervisors Applications

• Monitoring battery-powered systems requiring precise voltage thresholds
• Supervising microcontroller power rails in industrial equipment
• Ensuring stable operation in automotive electronic control units
• Protecting data integrity in portable consumer devices during power loss

Supervisors Procurement Notes

Verify the specific suffix codes against official Nisshinbo documentation to confirm exact electrical characteristics and packaging options. Ensure compatibility with your board's thermal requirements and signal levels. Cross-reference the datasheet for any recent revisions that may affect pinout or performance specifications before finalizing procurement orders.

Supervisors Selection Notes

Select this component when a wide input voltage range up to 36 V is required alongside low standby current. The integrated delay function simplifies design by reducing external component count. Consider the SOT-23-5 package size constraints and ensure the open-drain output aligns with your system's logic level requirements for reliable integration into supervisory circuits.

Supervisors Part Context

This part belongs to the R3119N series of voltage detectors, which are optimized for high-voltage monitoring applications. The series offers various threshold voltages to suit different power rail requirements while maintaining consistent low-power performance. These devices are commonly used in scenarios where reliable power supervision is critical for system stability and data protection.

Supervisors Replacement Considerations

Check for direct substitutes within the R3119N family with adjusted threshold suffixes. Verify pin-to-pin compatibility with other manufacturers' 36V voltage detectors if alternative sourcing is necessary. Ensure replacement parts match the 85 ms delay characteristic and open-drain output configuration.