LM4050BEX3-5.0+T

Voltage Reference Overview

The LM4050BEX3-5.0+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% and a maximum temperature coefficient of 50ppm/°C. The device operates within a wide current range from 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 guarantees specifications over an operating 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 official documentation to confirm package type and temperature grade. Confirm that the component meets required environmental standards such as RoHS compliance. Ensure the selected variant matches the exact output voltage and accuracy class needed for the circuit design before procurement.

Voltage Reference Selection Notes

Select this component when a compact footprint is required alongside precise voltage regulation. The B-grade offers a balance of 0.2% accuracy and 50ppm/°C stability suitable for general precision applications. Consider the minimum operating current requirements of the host circuit to ensure stable regulation across the full temperature range.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of micropower shunt voltage references. The series utilizes bandgap principles to maintain stable output voltages across multiple fixed breakdown options. The LM4050 specifically covers higher voltage ranges compared to the LM4051, offering various grades of initial accuracy to suit different precision requirements.

Voltage Reference Replacement Considerations

LM4050CEX3-5.0+T

Voltage Reference FAQ

Does the LM4050BEX3-5.0+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 pin configuration for Pin 3 on the SC70 package?

Pin 3 is a No Connection (N.C.) pin and must be left unconnected or connected to Pin 2.