LM4050QBIM3-10/NOPB

Voltage Reference Overview

The LM4050QBIM3-10/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 10V with an initial accuracy tolerance of ±0.2%. The device features a temperature coefficient of 50ppm/°C and supports a maximum cathode current of 15mA. It operates within an extended temperature range of -40°C to +125°C and holds AEC-Q100 qualification for automotive applications. The component is housed in a compact SOT-23-3 surface-mount package.

Voltage Reference Feature Summary

• AEC-Q100 qualified for automotive reliability standards
• High precision with ±0.2% initial accuracy tolerance
• Low power consumption suitable for battery-operated systems
• Compact SOT-23-3 surface-mount packaging

Voltage Reference Applications

• Automotive electronic control units requiring stable reference voltages
• Data acquisition systems needing high-accuracy analog references
• Portable instrumentation powered by limited energy sources
• Industrial process control monitoring circuits

Voltage Reference Procurement Notes

Verify the specific suffix 'QBI' against official Texas Instruments documentation to confirm the exact tolerance, temperature grade, and package variant. Ensure compatibility with existing PCB footprints for the SOT-23-3 package. Confirm that the AEC-Q100 qualification meets the specific reliability requirements of the target application environment before finalizing procurement decisions.

Voltage Reference Selection Notes

Select this component when a fixed 10V reference is required with tight tolerance specifications in space-constrained designs. The SOT-23-3 package offers a small footprint ideal for dense layouts. Consider the 50ppm/°C temperature coefficient for environments with significant thermal variations. Verify that the 15mA maximum current capability aligns with the load requirements of the downstream circuitry.

Voltage Reference Part Context

This part belongs to the LM4050 family of precision micropower shunt voltage references from Texas Instruments. The family includes various fixed voltage options and accuracy grades. The 'Q' prefix indicates automotive-grade qualification, while the 'B' typically denotes specific tolerance or temperature performance levels within the product line. These devices are designed for applications demanding stability and low power consumption.

Voltage Reference Replacement Considerations

Consult the official Texas Instruments LM4050 datasheet for confirmed substitute part numbers within the same family. Verify pinout compatibility and electrical parameter equivalence for any alternative components. Cross-reference specific suffix codes to ensure matching accuracy and temperature coefficients.