NCP130BMX180TCG

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Voltage regulators, including linear regulators, are an important type of PMIC that serves a variety of useful functions, such as stepping up, stepping down, and limiting voltages to devices. The NCP130BMX180TCG is a specific type of linear regulator that is especially versatile and capable, and can be widely used in many applications. In this article, the application field and working principle of the NCP130BMX180TCG are discussed.

Application Fields

The NCP130BMX180TCG is an adjustable linear regulator that features a wide operating range. It is able to output voltages within the range of 0.8 V to 8.5 V, and is ideal for low noise, low power, and precision voltage regulation. Due to its wide operating range, the NCP130BMX180TCG is well suited for power management applications where a wide input voltage variation is common. Such applications may include industrial electronics, medical instrumentation, communication systems, and automotive electronics.

The NCP130BMX180TCG offers excellent performance and provides many useful features. It has both thermal shutdown and current limiting protection with adjustable current limit. It also has an output voltage accuracy of 1.5%, ensuring precise voltage control. Furthermore, it has a maximum output of 200mA, which is more than enough for most applications.

Working Principle

The NCP130BMX180TCG is a three-terminal adjustable low dropout (LDO) linear regulator. This means that it regulates the output voltage of the device by decreasing a voltage drop between the input and output voltage. It typically requires a minimum voltage differential (input minus output voltage) of 0.75V to function properly, which is sufficiently low enough for most applications.

An internal reference voltage is used to control the output voltage of the device. The voltage is compared to the feedback voltage, which is proportional to the output voltage. This comparison is then fed into the error amplifier, which adjusts the output voltage accordingly. The error amplifier is fed by the current sensing circuit, which senses the load current and is used to provide current limit protection.

When the load current increases, the error amplifier will reduce its output to decrease the output voltage. At the same time, the transistors used in the output stage will open, limiting the output current and thus protecting the device. This is the current limiting protection provided by the NCP130BMX180TCG.

Overall, the NCP130BMX180TCG is an adjustable linear regulator capable of providing precise voltage control and current limiting protection. Due to its wide operating range, it is especially suited for power management applications where a wide input voltage variation is common.

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