LM4050CEM3-5.0+T

Voltage Reference Overview

The LM4050CEM3-5.0+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 0.5% and a maximum temperature coefficient of 50ppm/°C. The device operates within a wide current range from 60µA to 15mA and is housed in a 3-pin SOT-23 surface-mount package. Specifications are guaranteed over an operating temperature range of -40°C to +125°C.

Voltage Reference Feature Summary

• Laser-trimmed resistors ensure excellent initial accuracy across multiple grades.
• Low dynamic impedance maintains stable reverse breakdown voltage accuracy over wide operating currents.
• No external stabilizing capacitor is required, ensuring stability with 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 RoHS status. Confirm that the component matches the intended application requirements for shunt current limits and thermal dissipation. Ensure compatibility with existing PCB footprints for the specified package style before procurement.

Voltage Reference Selection Notes

Select this component when a compact, low-power shunt reference is needed for space-critical designs. The 0.5% accuracy grade offers a balance between cost and performance. Consider the maximum power dissipation limits at high ambient temperatures to ensure junction temperature remains within safe operating areas during operation.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of precision micropower shunt voltage references. The series includes various fixed reverse breakdown voltages and accuracy grades. The LM4050 variant specifically covers voltages such as 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V, utilizing BiCMOS process technology.

Voltage Reference Replacement Considerations

LM4050CEX3-5.0+T (SC-70 package)

Voltage Reference FAQ

Does the LM4050CEM3-5.0+T require an external capacitor for stability?

No, the device does not require an external stabilizing capacitor and is stable with any capacitive load.

What is the minimum operating current for this reference?

The minimum operating current is typically 60µA, though it may vary slightly based on specific conditions.