LM4050BEX3-3.3+T

Voltage Reference Overview

The LM4050BEX3-3.3+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 3.3V with an initial accuracy of 0.2% and a maximum temperature coefficient of 50ppm/°C. The device operates within a wide current range from 67µA 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 over the -40°C to +125°C temperature range.

Voltage Reference Feature Summary

• Ultra-small 3-pin SC70 surface-mount package for space-critical applications
• Laser-trimmed resistors ensure excellent initial accuracy
• Stable operation without requiring external stabilizing capacitors
• Capable of tolerating 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 RoHS compliance status. Confirm that the component matches the required initial accuracy grade and operating temperature range specifications before integration into designs.

Voltage Reference Selection Notes

Select this component when a compact footprint is required alongside high precision. Ensure the design maintains the minimum operating current above 67µA and limits the shunt current below 15mA to maintain regulation. Verify thermal dissipation limits at maximum ambient temperatures.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of micropower shunt voltage references. These devices utilize bandgap principles to provide stable reference voltages across multiple fixed breakdown options. They are designed for applications demanding stability over wide temperature ranges and varying load currents.

Voltage Reference Replacement Considerations

LM4050CEX3-3.3+T

Voltage Reference FAQ

Does the LM4050BEX3-3.3+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 voltage reference?

The minimum operating current is typically 67µA, though it must be maintained above 45µA to ensure proper function.