LM4050BEM3-5.0+T

Voltage Reference Overview

The LM4050BEM3-5.0+T is a precision two-terminal shunt-mode bandgap voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse breakdown voltage of 5.000V with an initial accuracy of 0.2%. The device features a maximum temperature coefficient of 50ppm/°C and operates within a temperature range of -40°C to +125°C. It utilizes a 3-pin SOT23 surface-mount package and supports a shunt current range from 60µA to 15mA.

Voltage Reference Feature Summary

• Laser-trimmed resistors ensure high initial accuracy across multiple grades.
• Capable of maintaining stable reverse breakdown voltage over wide operating currents.
• Does not require external stabilizing capacitors for frequency stability.
• Stable operation is guaranteed with any capacitive loads.

Voltage Reference Applications

• Portable, battery-powered equipment
• Notebook computers
• Cell phones
• Industrial process controls
• Automotive systems

Voltage Reference Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and accuracy grade. Confirm RoHS compliance status as indicated in the datasheet. Ensure the selected component matches the required thermal resistance characteristics for the intended application environment.

Voltage Reference Selection Notes

Select this component when a precise 5.000V reference is needed in a compact SOT23 footprint. Consider the 0.2% initial accuracy and 50ppm/°C temperature coefficient for circuit requirements. Verify that the operating current remains within the 60µA to 15mA range to maintain specified performance levels.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of micropower shunt voltage references. The series offers various fixed reverse breakdown voltages including 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. The family is designed for space-critical applications using subminiature packages.

Voltage Reference Replacement Considerations

LM4050CEX3-5.0+T (0.5% accuracy)

Voltage Reference FAQ

Is an external capacitor required for stability?

No, the LM4050/LM4051 do not require an external stabilizing capacitor and are stable with any capacitive loads.

What is the minimum operating current?

The minimum operating current is typically 60µA, though it can vary slightly depending on the specific output voltage grade.