LM4050QBEM3X2.5/NOPB

Voltage Reference Overview

The LM4050QBEM3X2.5/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments, formerly National Semiconductor. It provides a fixed output voltage of 2.5V with an initial accuracy of 0.1% and a temperature coefficient of 50 ppm/°C. The device operates within a current range of 60µA to 15mA and functions across a temperature range of -40°C to +125°C. It is housed in a SOT-23-3 package and holds AEC-Q100 qualification for automotive applications.

Voltage Reference Feature Summary

• Achieves high precision with 0.1% initial accuracy and 50 ppm/°C temperature coefficient
• Operates as a two-terminal shunt reference without requiring external stabilizing capacitors
• Qualified for automotive environments under the AEC-Q100 standard

Voltage Reference Applications

• Automotive electronic systems requiring stable voltage references
• Precision data acquisition circuits
• Battery-powered instrumentation

Voltage Reference Procurement Notes

Verify that the component is sourced from Texas Instruments or authorized distributors, as National Semiconductor was acquired. Confirm the specific suffix matches the requested 0.1% accuracy grade and SOT-23-3 packaging. Ensure documentation reflects the current TI branding while acknowledging the original National Semiconductor lineage.

Voltage Reference Selection Notes

Select this component when a compact, high-accuracy reference is needed for automotive or industrial use. The 0.1% tolerance suits stringent calibration requirements. The absence of required output capacitors simplifies layout. Verify that the 15mA maximum shunt current meets the load demands of the target circuit design.

Voltage Reference Part Context

This part belongs to the LM4050 family of micropower shunt voltage references. Originally developed by National Semiconductor, the product line is now managed by Texas Instruments following their acquisition. The series offers various fixed breakdown voltages and accuracy grades in small surface-mount packages.

Voltage Reference FAQ

Does the LM4050QBEM3X2.5/NOPB require an external capacitor for stability?

No, the device does not require an external stabilizing capacitor and remains stable with any capacitive load.

What is the manufacturer of this component?

The component is currently manufactured by Texas Instruments, which acquired National Semiconductor.