LM4050CEX3-5.0+T

Voltage Reference Overview

The LM4050CEX3-5.0+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%. The device operates within a temperature range of -40°C to +125°C and features a maximum temperature coefficient of 50ppm/°C. Packaged in a subminiature 3-pin SC70 surface-mount format (1.8mm x 1.8mm), it supports a wide operating current range from 60µA to 15mA. The component does not require external stabilizing capacitors and remains stable with any capacitive load.

Voltage Reference Feature Summary

• Ultra-small 3-pin SC70 package for space-critical applications
• Laser-trimmed resistors ensure excellent initial accuracy
• Low dynamic impedance ensures stable voltage over wide current ranges
• No output capacitors required while tolerating 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 the manufacturer's official documentation to confirm package type and accuracy grade. Ensure the selected variant matches the required thermal performance and electrical specifications for the intended application environment. Cross-reference the part number with the latest datasheet revision history to validate component availability and compliance status.

Voltage Reference Selection Notes

Select this component when a compact footprint is required alongside high precision. The 0.5% accuracy grade offers a balance between cost and performance for general-purpose references. Consider the wide operating current range and low noise characteristics when designing circuits sensitive to power supply variations or requiring stable biasing in small form factors.

Voltage Reference Part Context

This component 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 SC70 and SOT23 packages with different accuracy grades, allowing designers to choose based on space constraints and precision requirements.

Voltage Reference Replacement Considerations

LM4050BEX3-5.0+T

Voltage Reference FAQ

Does the LM4050CEX3-5.0+T require an external capacitor for stability?

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

What is the minimum operating current for this voltage reference?

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