LM4050BIM3-5.0

Voltage Reference Overview

The LM4050BIM3-5.0 is a precision micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed output voltage of 5.0 V with an initial accuracy of 0.2%. The device features a maximum temperature coefficient of 50 ppm/°C and supports a shunt current range up to 15 mA. It operates within a temperature range of -40°C to +125°C and is housed in a SOT-23-3 surface-mount package.

Voltage Reference Feature Summary

• Precision bandgap voltage reference with laser-trimmed resistors for high initial accuracy
• Capable of operating with capacitive loads without requiring external stabilizing capacitors
• Low dynamic impedance ensures stable reverse breakdown voltage across wide current ranges

Voltage Reference Applications

• Portable instrumentation circuits requiring precise voltage references
• Battery-powered systems utilizing micropower shunt regulation
• Data acquisition systems needing stable reference voltages over temperature

Voltage Reference Procurement Notes

Verify the manufacturer designation, as this specific part number may be associated with Texas Instruments or Maxim Integrated depending on the supply chain history. Confirm the package type is SOT-23-3 and check for RoHS compliance status. Ensure the required output voltage is exactly 5.0 V and that the 0.2% accuracy grade meets the design specifications before procurement.

Voltage Reference Selection Notes

Select this component when a fixed 5.0 V reference is needed in a compact SOT-23-3 footprint. It is suitable for applications requiring 0.2% initial accuracy and operation up to 125°C. Consider the 15 mA maximum shunt current capability for load regulation requirements. Verify compatibility with the system's power supply voltage relative to the 5.0 V reference output.

Voltage Reference Part Context

This component belongs to the LM4050 series of precision micropower shunt 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 'B' suffix typically denotes the 0.2% accuracy grade within the product family.

Voltage Reference Replacement Considerations

LM4050BIM3-5.0/NOPB is a confirmed equivalent part number from Texas Instruments representing the same functional specification.