NMP650-KHKK-03

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AC/DC converters have become an increasingly important aspect of modern life. The NMP650-KHKK-03 is a type of DC converter from Rosenberger, designed to provide high-density, high-efficiency, and a wide input voltage range. This article will discuss the application field and working principle of the NMP650-KHKK-03.

The NMP650-KHKK-03 is designed to meet the needs of applications such as telecom, power over Ethernet, industrial automation, railway, and medical systems. In these applications, the NMP650-KHKK-03 provides superior system performance, power efficiency, and reliable operation. With a wide input voltage range of 36–75 VDC, the converter is suitable for a variety of sources, such as AC-DC brick and DC-DC brick. With a density of 27 W/in3, and an efficiency rate of up to 97%, it is capable of responding to the most challenging demands with minimum power losses.

The main components of the NMP650-KHKK-03 are a MOSFET switch, a synchronous rectifier, a high-frequency transformer, a pair of input filters, a rectifier bridge, a power factor correction (PFC) circuit, and an output power stage. The AC input is first filtered by the input filters, then is rectified to DC by the rectifier bridge. The DC voltage is then processed by the power factor correction (PFC) circuit, which ensures that the system operates in a power factor close to unity, resulting in higher energy efficiency and improved system performance.

The DC voltage is then sent to the MOSFET switch, which controls the timing and amplitude of the output voltage of the transformer. The transformer is a high-frequency transformer that is designed to efficiently couple the input and output circuits. The output side consists of a synchronous rectifier and an output power stage, which provide high efficiency and excellent regulation of the output voltage. The integrated soft-start and adjustable current share protect the circuit from current overloads.

The combination of these components into a highly efficient and reliable DC/DC converter is what makes the NMP650-KHKK-03 a versatile and advanced solution for a variety of applications. Its wide input voltage range, high density, and energy efficiency make it an excellent choice for applications that demand high performance and reliable operation. The integrated protection features of the converter further ensure its safe and reliable operation, making it a trusted choice for a variety of applications.

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