LMV431AIMF/NOPB

Voltage Reference Overview

The LMV431AIMF/NOPB is a low-voltage adjustable shunt voltage reference manufactured by Texas Instruments. It operates within an output voltage range of 1.24 V to 30 V and supports a maximum shunt current of 15 mA. The device features an initial accuracy of 1% and a maximum temperature coefficient of 138 ppm/°C. It withstands a maximum input voltage of 35 V and functions reliably between -40°C and +85°C. Packaged in a surface-mount SOT-23-3 format, it serves as a precision reference for power management applications.

Voltage Reference Feature Summary

• Provides precise adjustable voltage referencing with 1% initial accuracy
• Operates effectively at low voltages starting from 1.24 V
• Designed for surface-mount integration in compact circuits

Voltage Reference Applications

• Portable battery-powered equipment requiring stable references
• DC-to-DC converter feedback loops
• Battery chargers and power supply monitoring

Voltage Reference Procurement Notes

Verify the specific suffix 'NOPB' confirms lead-free compliance and RoHS status according to the manufacturer's latest documentation. Ensure the SOT-23-3 package dimensions match your PCB footprint requirements. Confirm that the 15 mA maximum shunt current rating aligns with your circuit's load conditions. Check for any recent product change notices affecting pinout or electrical characteristics before finalizing procurement.

Voltage Reference Selection Notes

Select this component when a low-voltage adjustable reference is required in a small surface-mount package. It is suitable for designs needing 1% accuracy without the complexity of external components. Consider the 138 ppm/°C temperature coefficient for thermal stability needs. Compare against fixed-reference alternatives if variable output is not strictly necessary. Ensure the 35 V maximum input voltage exceeds your system's peak operating levels.

Voltage Reference Part Context

This part belongs to the LMV431A series of low-voltage shunt adjustable references from Texas Instruments. It shares functional similarities with the standard LM431 but offers optimized performance for lower voltage systems. The family includes various package options such as TO-92 and SOT-23-5. This specific model focuses on surface-mount convenience with high precision.

Voltage Reference Replacement Considerations

Direct substitutes include other LMV431 variants like LMV431AIM5/NOPB or LMV431CM5-NOPB, provided the package type matches. Verify that alternative parts maintain the same 1.24 V minimum output and 15 mA current limits.