LM4128BMF-3.0/NOPB

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The LM4128BMF-3.0/NOPB is a voltage reference integrated circuit that is designed to be used with either a negative or a positive supply voltage. The LM4128BMF-3.0/NOPB has a pin-compatible MFP package that offers excellent electrical performance with a high input voltage tolerance of 24V (maximum). The device implements a high-performance bandgap reference circuit that can accurately maintain regulated output levels with low static and dynamic current consumption.

The application of the LM4128BMF-3.0/NOPB is as a voltage reference. The device provides a stable and accurate output voltage that can be used as a reference voltage for a wide range of applications such as low-noise power supplies, voltage reference diagrams, and error amplifiers for analog-to-digital converters. Additionally, the device can be used as a buffer circuitry or to maintain input or output voltages over varying temperature and load conditions.

The working principle of the LM4128BMF-3.0/NOPB is based on a single bipolar chip that is enclosed in the package. This integrated circuit contains a temperature sensitive bandgap reference circuit, an error amplifier and an output buffer. The bandgap reference circuit generates a reference voltage based on a temperature compensated differential amplification of the difference between an inner PNP transistor\'s emitter voltage and the collector to emitter voltage of an outer NPN transistor. This voltage is then sent to the error amplifier where a more accurate reference voltage is generated and then sent to the buffer circuitry to produce the output voltage.

The reference voltage can be adjusted by the external use of a resistor and capacitor (RC) network. This network will set the amount of current used by the buffer circuitry and the output voltage. The output voltage can also be adjusted by connecting a potentiometer to the output terminal. These features allow users to customize the output voltage for their needs.

The LM4128BMF-3.0/NOPB also has a number of safety features such as an output protection circuit, thermal stability and noise immunity. These features make the device suitable for a wide variety of applications.

In summary, the LM4128BMF-3.0/NOPB is a versatile integrated circuit that offers a reliable and accurate voltage reference for a wide range of applications. The device contains a bandgap reference circuit, an error amplifier and a buffer circuitry, which all work together to provide a stable and adjustable reference voltage. The device also offers a number of safety features such as output protection, thermal stability and noise immunity. It is suitable for use in low-noise power supplies, voltage reference diagrams, and error amplifiers for analog-to-digital converters.

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