LM4050QBIM3X5.0/NOPB

Voltage Reference Overview

The LM4050QBIM3X5.0/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments, featuring a fixed 5 V output with ±0.2% initial tolerance at 25°C. It operates within an extended temperature range of -40°C to 125°C and supports a maximum operating current of 15 mA. The device exhibits a typical wideband noise of 93 µVrms (10 Hz to 10 kHz) and a maximum temperature coefficient of 50 ppm/°C. Packaged in a compact SOT-23 surface-mount format, it requires no external stabilizing capacitor.

Voltage Reference Feature Summary

• Eliminates the need for external stabilizing capacitors while ensuring stability with any capacitive load
• Utilizes fuse and Zener-zap reverse breakdown voltage trim during wafer sort for high accuracy
• Bandgap reference temperature drift curvature correction ensures stable performance across temperatures

Voltage Reference Applications

• Portable, battery-powered equipment
• Data acquisition systems
• Instrumentation
• Process control
• Product testing

Voltage Reference Procurement Notes

Verify the specific suffix 'Q' indicates automotive-grade qualification (AEC-Q100) and 'B' denotes the ±0.2% tolerance grade. Confirm the 'X5.0' designation corresponds to the 5 V fixed output option. Ensure the package matches the SOT-23 footprint requirements for your PCB layout.

Voltage Reference Selection Notes

Select this component when space constraints require a sub-miniature SOT-23 package. Choose this part if the application demands extended temperature operation up to 125°C and low power consumption suitable for battery-powered devices. Verify that the required output tolerance aligns with the B-grade specification.

Voltage Reference Part Context

This device belongs to the LM4050-N family of precision micropower shunt voltage references. The family offers various fixed reverse breakdown voltages including 2.048 V, 2.5 V, 4.096 V, 5 V, 8.192 V, and 10 V. The Q1 variant signifies automotive-grade qualification, while standard N variants cover industrial and extended temperature ranges.

Voltage Reference Replacement Considerations

LM4050BIM3-5.0/NOPB

Voltage Reference FAQ

Does the LM4050QBIM3X5.0/NOPB require an external capacitor for stability?

No, the design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load.

What is the minimum operating current for the 5 V option?

The minimum operating current is typically 56 µA at 25°C and increases to 90 µA over the extended temperature range (-40°C to 125°C).