LM4050BIM3-3.0

Voltage Reference Overview

The LM4050BIM3-3.0 is a precision two-terminal shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse breakdown output voltage of 3.0V with an initial accuracy of 0.2%. The device features a maximum temperature coefficient of 50ppm/°C, guaranteed over an operating temperature range from -40°C to +125°C. It operates within a wide shunt current range of 60µA to 15mA and utilizes a compact SOT-23-3 surface-mount package.

Voltage Reference Feature Summary

• Ultra-small 3-pin SC70 or SOT-23 surface-mount package design for space-critical applications
• Laser-trimmed resistors ensure high initial accuracy without requiring external stabilizing capacitors
• Capable of tolerating capacitive loads while maintaining stable reverse breakdown voltage accuracy

Voltage Reference Applications

• Portable battery-powered equipment
• Notebook computers
• Cell phones
• Industrial process controls
• Automotive systems

Voltage Reference Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm package type and accuracy grade. Confirm RoHS compliance status and lead-free specifications directly with the supplier. Ensure the ordering code matches the required 3.0V output and 0.2% tolerance before procurement.

Voltage Reference Selection Notes

Select this component when a compact footprint is required alongside high precision in a shunt configuration. The device eliminates the need for external stabilization capacitors, simplifying circuit design. Verify that the application load falls within the specified 60µA to 15mA operating current range for optimal performance.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of micropower shunt voltage references. These devices utilize bandgap technology to provide multiple fixed reverse breakdown voltages. The series is designed for applications demanding stability across wide temperature ranges and low dynamic impedance.

Voltage Reference Replacement Considerations

LM4050CEX3-2.1+ shares the same family characteristics and SC70/SOT-23 packaging options.