LM4050BEX3-2.1+T

Voltage Reference Overview

The LM4050BEX3-2.1+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 2.048V with an initial accuracy of 0.2% and a maximum temperature coefficient of 50ppm/°C. The device operates within a wide current range of 60µA to 15mA and features low dynamic impedance. It is housed in a subminiature 3-pin SC70 surface-mount package (1.8mm x 1.8mm) and is guaranteed to function over a temperature range of -40°C to +125°C.

Voltage Reference Feature Summary

• Ultra-small 3-pin SC70 surface-mount package for space-critical applications
• Laser-trimmed resistors ensure high initial accuracy
• Stable operation without requiring external stabilizing capacitors
• Capable of tolerating any capacitive load

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 the manufacturer's official documentation to confirm package type and accuracy grade. Confirm RoHS compliance status and lead-free designation as indicated in the datasheet. Ensure the selected component matches the required electrical specifications for your circuit design before procurement.

Voltage Reference Selection Notes

Select this component when a compact footprint is required alongside precise voltage referencing. The 0.2% accuracy grade offers a balance between performance and cost. Consider the thermal resistance characteristics if operating near the upper temperature limits or under high power dissipation conditions.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of micropower shunt voltage references. The series includes multiple fixed reverse breakdown voltages ranging from 1.225V to 5.000V. Variants are available in both SOT23 and SC70 packages with different accuracy grades (0.1%, 0.2%, 0.5%).

Voltage Reference Replacement Considerations

LM4050CEX3-2.1+T (0.5% accuracy)

Voltage Reference FAQ

Does the LM4050BEX3-2.1+T require an external capacitor for stability?

No, the device does not require an external stabilizing capacitor and ensures stability with any capacitive loads.

What is the minimum operating current for this reference?

The minimum operating current is typically 65µA, with a guaranteed minimum of 45µA.