50ppm/°C Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages

Part Number	Status
LM4050	Active: In Production.
LM4050A	Active: In Production. See Ordering Information for details.
LM4050B	Active: In Production. See Ordering Information for details.
LM4050C	Active: In Production. See Ordering Information for details.
LM4051	Active: In Production.
LM4051A	Active: In Production. See Ordering Information for details.
LM4051B	Active: In Production. See Ordering Information for details.
LM4051C	Active: In Production. See Ordering Information for details.

The LM4050/LM4051 are precision two-terminal, shuntmode, bandgap voltage references available in fixed reverse breakdown voltages of 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. Ideal for space-critical applications, the LM4050/LM4051 are offered in the subminiature 3-pin SC70 surface-mount packages (1.8mm x 1.8mm), 50% smaller than comparable devices in SOT23 surface-mount package (SOT23 versions are also available).

Laser-trimmed resistors ensure excellent initial accuracy. With a 50ppm/°C temperature coefficient, these devices are offered in three grades of initial accuracy ranging from 0.1% to 0.5%. The LM4050/LM4051 have a 60µA to 15mA shunt-current capability with low dynamic impedance, ensuring stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents. The LM4050/LM4051 do not require an external stabilizing capacitor while ensuring stability with any capacitive loads.

The LM4050/LM4051 specifications are guaranteed over the temperature range of -40°C to +125°C.

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