NCP623MN-30R2G

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The NCP623MN-30R2G is a low-power, low ground current linear voltage regulator from ON Semiconductor. It integrates a fast-acting MOSFET, allowing low quiescent current, high output voltage accuracy, and superior transient response. It is available in a variety of packages, with different output voltage and current levels, to suit a wide range of applications.

The main specifications of the NCP623MN-30R2G include an output voltage range of 3.0V to 30V, output current of 0A to 2A, dropout voltage of 0.15V, and temperature range of -40°C to 125°C. The regulator also incorporates an open-drain power-good function and an ENABLE input. It is designed to require minimal external components, reducing the cost and complexity of the design. It is RoHS- and halogen-free, making it an ideal solution in applications where environmental restrictions are in place.

Application Field

The NCP623MN-30R2G is suitable for use in a wide range of applications. It can be used to power modems, RF applications, embedded systems, industrial and automotive systems, and many other applications, where low output voltage and current requirements need to be met. The low quiescent current and low ground current makes the device an excellent choice for applications where power consumption is a major consideration.

The wide output voltage range and the ability to remain stable with minimal external components makes the device ideal for use in low voltage, low power applications, such as CMOS and low power analog circuits. Additionally, its temperature range and superior transient response make it suitable for applications where stable operation over a wide temperature range is important.

Working Principle

The NCP623MN-30R2G is a discrete linear voltage regulator, meaning that it operates by controlling the output voltage using the input voltage, or the difference between them, depending on the load current. This is achieved using a MOSFET, whose drain is connected to the output and source to the input. This allows for a low quiescent current, as the dropout voltage is much lower than with traditional linear regulators.

When the input voltage is higher than the output voltage, a current is driven from the input to the output, in order to reduce the output voltage. This is done by the MOSFET adjusting the conducting area between its drain and source, which in turn alters the resistance in the circuit, reducing the output voltage. Additionally, the current-limited line function monitors the current drawn from the output, allowing for high output accuracy and superior transient response.

Conclusion

The NCP623MN-30R2G is a low-power, low ground current linear voltage regulator with a wide range of features and applications. Its low quiescent current and low ground current makes it an ideal choice for applications where power consumption is a major consideration. The device also offers superior transient response, temperature range, and can remain stable with minimal external components. The device is RoHS and halogen-free, making it an ideal solution in applications where environmental restrictions are in place.

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