LM4040BEX3-5.0+T

Overview

The LM4040BEX3-5.0+T is a precision, two-terminal shunt mode bandgap voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse-breakdown output voltage of 5.000V with an initial accuracy of 0.2%. The device operates within a temperature range of -40°C to +125°C and features a maximum temperature coefficient of 100ppm/°C. It utilizes a subminiature 3-pin SC70 surface-mount package (1.8mm x 1.8mm) and supports a wide operating current range from 60μA to 15mA.

Feature Summary

• Ultra-small 3-pin SC70 surface-mount package for space-critical applications
• Laser-trimmed resistors ensure precise initial accuracy
• Stable operation without requiring external stabilizing capacitors
• Capable of tolerating any capacitive load

Applications

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

Procurement Notes

Verify the specific ordering suffixes against official manufacturer documentation to confirm exact specifications. Confirm that the component matches the required package type, temperature range, and accuracy grade before procurement. Ensure compliance with relevant environmental standards such as RoHS requirements specified in the datasheet.

Selection Notes

Select this component when a compact footprint is required alongside high precision. The SC70 package offers significant size reduction compared to SOT23 alternatives. Verify that the system's power dissipation limits are respected at maximum ambient temperatures to prevent exceeding the junction temperature rating during operation.

Part Context

This part belongs to the LM4040 family of improved precision micropower shunt voltage references. The family includes multiple grades of initial accuracy ranging from 0.1% to 1%, available in various fixed output voltages. The 'E' suffix indicates extended industrial temperature range capability up to +125°C.

Replacement Considerations

LM4040BIX3-5.0+T

FAQ

Does the LM4040 require an external capacitor for stability?

No, the LM4040 does not require an external stabilizing capacitor and remains stable with any capacitive load.

What is the minimum operating current for this device?

The minimum operating current is typically 60μA, ensuring proper regulation across the specified operating range.