R3111Q261A-TR-FE

Supervisors Overview

The R3111Q261A-TR-FE is a low voltage detector manufactured by Nisshinbo Micro Devices. It operates within a supply voltage range up to 10 V and features a threshold voltage of 2.6 V. The device provides an open drain output with a reset delay time of 100 us. It supports battery backup switching and lacks manual reset or watchdog timer functions. Accuracy is specified at 2%, with a typical operating current of 1.2 uA. The component is housed in an SC-82AB-4 package and functions across temperatures from -40 C to +85 C.

Supervisors Feature Summary

• Supports battery backup switching for continuous monitoring during power transitions
• Provides open drain output configuration for flexible logic interfacing
• Features high accuracy voltage detection with minimal operating current consumption

Supervisors Applications

• Monitoring battery voltage levels in portable electronic devices
• Supervising power supply rails in embedded systems
• Detecting under-voltage conditions in microcontroller circuits

Supervisors Procurement Notes

Verify the specific suffix codes against official datasheets to confirm output type and threshold voltage accuracy. Ensure the SC-82AB-4 package footprint matches your PCB layout requirements. Confirm RoHS compliance status through manufacturer documentation before integration into regulated products.

Supervisors Selection Notes

Select this component when a 2.6 V threshold is required for single-input voltage supervision. The open drain output suits applications needing wired-OR connections or level shifting. Consider the 100 us reset delay for timing-sensitive designs requiring stable power-up sequences.

Supervisors Part Context

This part belongs to the R3111Q series of low voltage detectors designed for compact surface-mount applications. The series offers various threshold options within a small form factor, targeting battery-operated equipment where space and power efficiency are critical constraints.

Supervisors Replacement Considerations

Check for other R3111Q variants with identical 2.6 V thresholds but different output types if CMOS drive is preferred. Verify pinout compatibility with alternative SC-82AB-4 packages from other manufacturers before substitution.