MP9928GF-P

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MP9928GF-P is a DC DC switching controllers manufactured by Monolithic Power Systems, Inc., and belongs to the family of PMIC - Voltage Regulators - DC DC Switching Controllers.

The MP9928GF-P is mainly used in applications such as Charging, Power Supply, as well as Hot Plug Supplies, and is a very reliable and efficient device. The device features a variety of features such as a Wide 1MHz to 2.2MHz Switching Frequency Range, a 1.2V Power-On Reset Voltage, and the ability to adjust Output Voltage from 0.8V to 15V. Due to its versatile design, the MP9928GF-P can be used for many different applications, ranging from low-power, low-noise power sources, to high-efficiency and high-reliability charging solutions.

The working principle of the MP9928GF-P is based on a conventional DC-DC buck-boost converter with a synchronization-free current mode control. It allows for a Phase-Lock Loop (PLL) operation for fast transient response for load regulation. The device also features a Voltage-Mode Control (VMC) to improve efficiency and allows for smooth step-down/step-up voltage regulation. The internal loop compensation in the MP9928GF-P ensures that the output voltagecontroller is stable and the over-current protection prevents any damage to the load.

The MP9928GF-P uses a range of features to help increase the power efficiency, such as Soft-Start, PWM-Mode Dynamic Frequency Channel (DFC) Modulation, as well as Dual-Phase Operation. Additionally, the MP9928GF-P also uses an advanced Charge Pump Topology with a Dynamic Adjustable Frequency to effectively reduce the power loss and improve the overall efficiency of the system. Lastly, the device includes thermal shutdown protection and over-voltage protection to help prevent any damages to the load.

In conclusion, the MP9928GF-P is a reliable and efficient device that is suitable for many different applications. Its advanced features, such as the PLL operation, Voltage-Mode Control, and Charge Pump Topology, help to make the device very versatile and increase its power efficiency. Additionally, its wide frequency range, 1.2V power-on reset voltage, and adjustable output voltage from 0.8V to 15V make it ideal for use in a variety of charging and power supply applications.

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