LMV431ACM5X/NOPB

Voltage Reference Overview

The LMV431ACM5X/NOPB is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within an output voltage range of 1.24 V to 30 V and features an initial accuracy of 1%. The device has a maximum shunt current of 15 mA and a temperature coefficient of 138 ppm/C. It supports a maximum reference input voltage of 35 V and functions between -40°C and +85°C. Packaged in a SOT-23-5 surface-mount case, it belongs to the LMV431A series.

Voltage Reference Feature Summary

• Provides adjustable precision voltage regulation with a minimum reference voltage of 1.24 V
• Designed for low-voltage applications with a maximum operating supply voltage of 35 V
• Delivers high initial accuracy of 1% across the specified temperature range

Voltage Reference Applications

• Portable battery-powered equipment requiring precise voltage references
• Low-voltage power supply circuits needing stable shunt regulation
• General-purpose voltage reference sources in compact designs

Voltage Reference Procurement Notes

Verify the specific suffix 'X' indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation. Ensure the ordering part number matches the required package type and temperature grade. Cross-reference datasheet revisions to confirm pinout consistency.

Voltage Reference Selection Notes

Select this component for designs requiring a low-cost, small-footprint adjustable reference. The 15 mA cathode current limits its use in high-power regulation scenarios. Consider the 138 ppm/C temperature coefficient for thermal stability requirements. Verify that the 1.24 V minimum output meets the circuit's lowest voltage needs.

Voltage Reference Part Context

This device is part of the LMV431 family, which offers low-voltage alternatives to standard Zener diodes. It serves as a drop-in replacement for fixed voltage references in space-constrained PCB layouts. The SOT-23-5 package allows for automated assembly in high-volume manufacturing environments.

Voltage Reference Replacement Considerations

LMV431ACM5/NOPB is a direct equivalent in tube packaging. LMV431BCM5X/NOPB offers higher accuracy but may have different availability.