LM4050AEM3-5.0+T

Voltage Reference Overview

The LM4050AEM3-5.0+T is a precision micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse breakdown voltage of 5.000V with an initial accuracy of 0.1%. 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 SOT-23 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 operating conditions.
• Capable of maintaining stable reverse breakdown voltage over a wide range of currents.
• Does not require external stabilizing capacitors for frequency stability.
• Maintains stability when connected to any capacitive loads.

Voltage Reference Applications

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

Voltage Reference Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and accuracy grade. Confirm RoHS compliance status through manufacturer declarations. Ensure the selected component matches the required electrical specifications for the target application environment.

Voltage Reference Selection Notes

Select this component for applications requiring precise voltage referencing in space-constrained designs. Verify that the supply voltage and load current requirements fall within the specified shunt current limits. Consider thermal derating if operating near the maximum junction temperature limits.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of two-terminal bandgap voltage references. The series offers multiple fixed reverse breakdown voltages including 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. These devices are designed as alternatives to traditional Zener diodes with superior temperature stability.

Voltage Reference Replacement Considerations

LM4050BEM3-5.0+T (0.2% accuracy)

Voltage Reference FAQ

Is an external capacitor required for stability?

No, the LM4050AEM3-5.0+T does not require an external stabilizing capacitor and remains stable with any capacitive load.

What is the minimum operating current?

The minimum operating current is typically 65µA at +25°C, ensuring proper regulation down to this level.