MP1470HGJ-P

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MP1470HGJ-P Application Field and Working Principle

The MP1470HGJ-P is an integrated switching power supply designed by Monolithic Power Systems Inc. (MPS) to provide a small, cost-effective, and high-efficiency DC/DC solution with an adjustable output voltage.

The MP1470HGJ-P is a step-down DC/DC switching power converter, also known as a buck converter. This switching power supply utilizes synchronous rectification and a high-efficiency current mode control circuit to provide a very compact and energy efficient solution for a wide range of applications.

The MP1470HGJ-P has a wide input voltage range from 6.5V to 40V and can provide regulated output voltages from 0.50V to 38V. The output current for the MP1470HGJ-P can reach 3A and output power can reach up to 114W. It also features an internal shielded inductor with high efficiency, low EMI, and low noise performance.

Application Field

The MP1470HGJ-P is designed to be used in a wide range of applications such as automotive, industrial, consumer, and telecommunications systems. It can be used in power sources for Track-pads. In such applications, the MP1470HGJ-P can provide the regulated power output required to power the Track-pads while reducing system size, cost and current consumption.

The MP1470HGJ-P is also suitable for battery-powered systems such as Uninterrupted Power Supplies (UPS), portable medical devices, and wireless base station where its high power efficiency and low power losses are highly valued.

Working Principle

The MP1470HGJ-P is a step-down switching power converter or “Buck” converter. The Buck converter is used to convert a higher input voltage supply to a lower output voltage. It works by using a switching device, such as a MOSFET, to control the duty-cycle of the output voltage. The duty-cycle is the ratio of the on time to the off time of the MOSFET. This controls how much current is supplied to the output stage.

The MP1470HGJ-P utilizes current mode control for improved efficiency, transient response, and stability. Current mode control works by detecting changes in the output current and responding quickly to keep the output current within the set range. This also helps to reduce energy losses and improves the overall efficiency of the power converter.

Another feature of the MP1470HGJ-P is the inclusion of an internal shielded inductor. This helps to reduce electromagnetic interference (EMI), improve efficiency, and reduce overall noise. The low profile of the inductor helps to reduce the size of the entire system.

Conclusion

The MP1470HGJ-P is an integrated switching power supply designed by Monolithic Power Systems Inc. (MPS) to provide a small, cost-effective, and high-efficiency DC/DC solution with an adjustable output voltage. It has a wide input voltage range from 6.5V to 40V and can provide regulated output voltages from 0.50V to 38V. Its current mode control and internal shielded inductor provide high efficiency and low operating noise for a range of applications such as automotive, industrial, consumer, and telecommunications systems.

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