LM4050BIX3-3.0

Voltage Reference Overview

The LM4050BIX3-3.0 is a precision micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse breakdown voltage of 3.0V with an initial accuracy of 0.2% and a maximum temperature coefficient of 50ppm/°C guaranteed over the -40°C to +125°C operating range. The device operates within a wide current range from 60µA to 15mA and features low dynamic impedance without requiring external stabilizing capacitors. It is housed in an ultra-small 3-pin SC-70 surface-mount package.

Voltage Reference Feature Summary

• Ultra-small 3-pin SC-70 surface-mount package for space-critical applications
• Wide operating current range from 60µA to 15mA ensuring stable performance
• 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 suffix 'IX3' against official manufacturer documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with the intended PCB footprint and reflow soldering profile. Confirm RoHS compliance status through the latest datasheet or environmental declaration provided by Analog Devices.

Voltage Reference Selection Notes

Select this component when a compact form factor is required alongside high precision. The 0.2% initial accuracy and 50ppm/°C temperature coefficient suit applications demanding stability across wide temperature ranges. Consider the 3.0V fixed output and micropower characteristics for battery-operated designs where minimizing quiescent current is essential.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of precision two-terminal shunt-mode bandgap voltage references. The series offers multiple fixed reverse breakdown voltages including 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. The LM4050 variant typically denotes specific accuracy grades and packaging options within the broader product line.

Voltage Reference Replacement Considerations

LM4050AEX3-3.0+T (0.1% accuracy, SC-70 package)

Voltage Reference FAQ

Does the LM4050BIX3-3.0 require an external stabilizing capacitor?

No, the LM4050BIX3-3.0 does not require an external stabilizing capacitor and ensures stability with any capacitive loads.

What is the guaranteed temperature coefficient for this device?

The device has a maximum temperature coefficient of 50ppm/°C, which is guaranteed over the -40°C to +125°C temperature range.