NCP186BMX330TAG

NCP186BMX330TAG Application Field and Working Principle

NCP186BMX330TAG is a low-dropout (LDO) linear voltage regulator from the popular NCP family of regulators from ON Semiconductor. It provides excellent regulation accuracy and output current up to 1.5A. NCP186BMX330TAG devices are designed as a fixed output voltage regulator with a high input voltage range of 4V up to 24V.

NCP186BMX330TAG is widely used in the consumer and industrial markets. It is perfect for application such as variable frequency drive, industrial lighting, battery charging, hand-held devices, and portable equipment. The reason it is popular in such applications is due to its miniature size, low quiescent current, low drop-out voltage, logic level enable, and high output accuracy.

Apart from the characteristics mentioned above, NCP186BMX330TAG can handle transients and maintain output current up to 1.5A resulting in a very stable operating platform. This is ideal for high-performance applications where a reliable power supply is needed, such as communications and automotive applications.

Working Principle

NCP186BMX330TAG works based on a simple principle. An input voltage is supplied to the regulator and it then passes through the internal P-channel MOSFET, reducing the voltage by a predetermined amount. The voltage then passes to the current-limiting circuit. This circuit limits the current in order to protect the regulator from overloading.

The current then passes to the error amplifier which compares the adjusted voltage to the reference voltage. The output of the error amplifier is sent to the gate of the series P-channel MOSFET, adjusting the voltage of the MOSFET to match the reference voltage. The output voltage is then output from the regulator, ensuring a regulated output voltage.

Conclusion

The NCP186BMX330TAG is an excellent choice for a low-dropout linear voltage regulator. It is widely used in consumer and industrial applications due to its miniature size, low quiescent current, low drop-out voltage, logic level enable, and high output accuracy. It operates on a simple principle and is ideal for applications that require a reliable power supply.