NCP3120QPBCKGEVB

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The NCP3120QPBCKGEVB is a precision, low noise, high speed and high efficiency integrated buck converter used for an array of applications. This integrated buck converter is based on the NCP3120, a high performance voltage mode synchronous buck converter controller IC with two low-noise PWM channels and Active Skip mode. The Active Skip mode enables the NCP3120 to limit the number of power stages, thereby improving efficiency and reducing power losses.

The integrated NCP3120QPBCKGEVB converter features a wide input voltage range from 4.5V to 25V, a regulated output voltage range of 0.6V to 15V, and a peak current capability of up to 6A. It has a very fast transient response and small size, which makes it an ideal solution for portable devices as well as industrial/automotive/medical systems.

This integrated buck converter has a range of added features to improve integration and operation. Those features include a rail-to-rail voltage comparator, voltage mode control, adjustable overcurrent protection, and easy-integrated load disconnection. It also includes a soft-start ramp generator and adjustable frequency oscillator, to ensure smooth voltage transitions and ramp-up/down operation.

This integrated buck converter operates as a switching regulator. In a switching regulator, the output voltage is regulated by controlling the switching frequency of an internal power MOSFET. This switching regulator is composed of two main sections: an error amplifier and a Voltage Mode PWM driver. The Error Amplifier looks at the actual output voltage and compares it against the desired output voltage. If the two voltages differ, the Error Amplifier sends control signals to the PWM driver.

The PWM driver then controls the power MOSFET. When it switches on, a fixed amount of energy is delivered to the output voltage rail. The actual output voltage of the regulator will depend on the inductor current and capacitor voltage. This current is determined by the switching frequency of the regulator. The output voltage can be regulated by adjusting the switching frequency and power MOSFET control.

The integrated NCP3120QPBCKGEVB is a powerful, efficient, and reliable solution for a variety of DC/DC and AC/DC applications. It can be used for a variety of applications including home appliances, solar energy converters, power adaptors, battery attenuators, and automotive systems. With its small size and quick transient response, the NCP3120QPBCKGEVB is an ideal choice for use in a range of evaluation boards, ensuring reliable power conversion.

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