LM4128AMFX-3.3/NOPB
Texas Instruments
The Texas Instruments LM4128AMFX-3.3/NOPB is a precision micropower series voltage reference. It offers a stable 3.3V output with high accuracy and low temperature drift.
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The Texas Instruments TL431AQDCKR is a three-terminal adjustable shunt regulator designed for applications requiring precise voltage regulation. It allows for an adjustable output voltage ranging from Vref (approximately 2.5V) up to 36V, set using two external resistors. This device features a typical output impedance of 0.2Ω and a sink current capability from 1mA to 100mA.
With a specified operating temperature range of -40°C to 125°C, the TL431AQDCKR is suitable for various environmental conditions. It comes in a SOT-SC70 package, designed for surface mounting. The reference voltage tolerance at 25°C is 0.5% for the B grade, making it a reliable choice for on-board regulation and as a Zener diode replacement in many circuits.
This shunt regulator provides a sharp turn-on characteristic due to its active output circuitry. It is well-suited for applications such as adjustable power supplies and on-board regulation where precise and stable voltage references are critical.
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Estimated market price range - modelled values for guidance only, not live distributor offers.
The adjustable output voltage range is 2.5V to 36V.
The typical reference voltage tolerance is 0.5% at 25°C for the B grade.
The operating temperature range is -40°C to 125°C.
The TL431AQDCKR is available in a 6-pin SOT-SC70 surface-mount package.
The sink current capability is 1mA to 100mA.
The typical output impedance is 0.2Ω.
