MP1472GJ-P

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MP1472GJ-P is an integrated DC-DC switching regulator, which belongs to the PMIC (Power Management Integrated Circuit) voltage regulators family. This regulator belongs to step-down switching regulator type, which can changes the input voltage to lower value and provides a current to the load. Its main feature is the low voltage and wide voltage input range.

As a step-down integrated voltage regulator, the MP1472GJ-P has several internal and external components, such as resistors, transformers, buck converter, PFC controller, FETs and inductors, which are the main components for this type of regulator. The internal resistor runs between the ground and the input and output of the regulator, and its value determines the amount of current that will flow through the regulator.

The transformer contains two coils, one connected to the input and other to the output. The input of the transformer is connected to the input voltage, while the output of the transformer is connected to the load. The primary winding of the transformer is controlled by the PFC controller, while the secondary winding is connected to the FETs, which are connected to the load.

The buck converter converts the input voltage to a lower voltage and provides a current to the load. The converter has two inputs; one connected to the input of the transformer and the other one is connected to the output of the transformer. The buck converter regulates the output voltage. According to the actual requirement of the load, user can set the current limitation by adding a resistor or adjusting the output voltage by changing the values of the external components.

The inductor attenuates the dV/dt in the voltage and current waves, maintains the voltage across the load at a steady level. A diode rectifier is connected to the output of the inductor to prevent current flowing back to the inductor during the flyback cycles. The output of the inductor is connected to the load.

The FETs are used to switch the output voltage of the transformer, which is connected to the load. The FETs are used to control the output voltage of the regulator. It also supplies current to the load in case of the voltage drop due to the load conditions.

In summary, the MP1472GJ-P is a DC-DC switching regulator, which can change the input voltage to lower value and provide a current to the load. Its main feature is the wide voltage input range, low voltage operation, and constant voltage over the load. This integrated regulator can provide an efficient, low-cost solution for controlling the power supply of electronic equipment.

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