LM4050AEX3-5.0+T

Voltage Reference Overview

The LM4050AEX3-5.0+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 ±0.1%. The device features a maximum temperature coefficient of 50ppm/°C and operates within a temperature range of -40°C to +125°C. It supports a wide operating current range from 60µA to 15mA, ensuring stable performance across varying loads. The component is housed in a compact 3-pin SC70 surface-mount package.

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 requested part number matches the exact voltage and accuracy requirements for the design. Check manufacturer resources for current production status as availability may vary. Ensure compliance with RoHS directives if required by the application specifications.

Voltage Reference Selection Notes

Select this component when a precise 5V reference is needed in a minimal footprint. The 0.1% accuracy grade is suitable for high-precision analog circuits. Consider the thermal resistance characteristics for high-temperature environments to prevent junction temperature exceedance. Verify that the circuit design maintains the minimum operating current to ensure regulation stability.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of micropower shunt voltage references. The family offers multiple fixed reverse breakdown voltages including 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. Variants are available in both SC70 and SOT23 packages with different accuracy grades.

Voltage Reference Replacement Considerations

LM4050BEX3-5.0+T (0.2% accuracy)

Voltage Reference FAQ

Does the LM4050AEX3-5.0+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 can vary slightly based on specific conditions.