LM8365BALMFX45/NOPB

Supervisors Overview

The LM8365BALMFX45/NOPB is a MicroPwr under-voltage sensing circuit manufactured by Texas Instruments. It operates within a supply voltage range of 1 V to 6 V and features a fixed under-voltage threshold of 4.5 V with an over-voltage threshold of 4.613 V. The device provides active low, open-drain output and includes programmable reset delay times. It offers 2.5% accuracy and supports battery backup switching. The component is housed in a SOT-23-5 package and functions without manual reset or watchdog timer capabilities.

Supervisors Feature Summary

• Provides under-voltage and over-voltage monitoring for single-input systems
• Features programmable reset delay timing for flexible system integration
• Supports battery backup switching to maintain monitoring during power transitions

Supervisors Applications

• Portable electronic devices requiring low quiescent current monitoring
• Battery-powered systems needing reliable power-fail detection
• Embedded circuits utilizing the LM8365 series for voltage supervision

Supervisors Procurement Notes

Verify the complete part number including the suffix /NOPB to ensure lead-free compliance and specific threshold variants. Confirm the manufacturer is Texas Instruments, as National Semiconductor was acquired. Check datasheet revisions for any updates to electrical characteristics or packaging details before finalizing procurement specifications.

Supervisors Selection Notes

Select this component when a fixed 4.5 V threshold is required for under-voltage detection. Consider the SOT-23-5 package for space-constrained designs. Ensure the application does not require manual reset functionality or watchdog timers, as these are absent. Verify that the operating temperature range of -40°C to +85°C meets environmental requirements.

Supervisors Part Context

This component belongs to the LM8365 series of MicroPwr supervisory circuits. It is designed for applications demanding low power consumption and precise voltage monitoring. The series typically integrates under-voltage and over-voltage detection with programmable delays, serving as a critical protection element in portable and battery-operated electronics.

Supervisors Replacement Considerations

Consult official cross-reference tools for compatible alternatives. Verify that substitute parts match the 4.5 V threshold, SOT-23-5 package, and active-low open-drain output configuration. Ensure functional equivalence regarding battery backup switching and reset delay programmability.