LM4128CMFX-3.3

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PMIC (Power Management IC) is an integrated circuit (IC) that is used to control power and process signals in electrical and electronic devices. The LM4128CMFX-3.3 is a voltage reference IC designed for applications that require an accurate and stable reference voltage. It is used in a variety of applications, including power supplies, power management systems, voltage regulators, and measurement and control systems.

The LM4128CMFX-3.3 is a three-terminal integrated circuit with two functions: a temperature-compensated voltage reference, and a low-dropout linear regulator. The LM4128CMFX-3.3 has a wide operating temperature range of -40°C to 125°C, and its output voltage is guaranteed over this entire range. The output voltage can be adjusted to a value between 0.8V and 4.6V by either changing the package resistor values or externally loading a resistor. The output capacitor is not required for stability.

The LM4128CMFX-3.3 has an input voltage range of 4.75V to 40V and a maximum output current of 75mA with a maximum power dissipation of 225mW. The chip has a wide stability range and is able to maintain a stable output voltage even under a wide range of input voltage, temperature, and load conditions. The LM4128CMFX-3.3 has a low quiescent current of 6.5mA, making it ideal for low-power applications.

The LM4128CMFX-3.3 can be used in both linear regulator systems and as a low-dropout reference voltage source. In linear regulator systems, it works by providing a regulated output voltage derived from an unregulated input voltage. The main advantage of using a linear regulator is that the output voltage is much more accurate, stable, and less noisy than an unregulated power supply. When used as a reference voltage source, the LM4128CMFX-3.3 provides a high degree of accuracy and stability and is able to provide a fixed output voltage with minimal variation over temperature and time.

The LM4128CMFX-3.3 is ideal for applications that require a precision voltage reference, such as digital-to-analog converters, power supply systems, and high-precision measurement and control systems. In such systems, it is important for the output voltage to remain stable, as any fluctuations can affect the accuracy and performance of the system. The LM4128CMFX-3.3 is designed and tested to meet the highest standards of precision and accuracy, and can easily withstand the most extreme electrical and environmental conditions.

In summary, the LM4128CMFX-3.3 is a robust and reliable power management IC that is ideal for applications that require an accurate and stable reference voltage. With its wide operating temperature range, wide stability range, and low quiescent current, it is a popular choice for a range of applications, including power supplies, power management systems, voltage regulators, and measurement and control systems.

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