VI-210-MU

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DC-DC converters are electrical components designed to efficiently convert electrical power from one voltage level to another. They are essential building blocks of modern electronic equipment. VI-210-MU is a type of DC-DC converter with a wide range of application areas and principle of operation.

The VI-210-MU is designed for application in high-power intermediate bus converters, from 1000 W to 2000 W. It provides excellent voltage regulation and power conversion efficiency, up to 94.5%. Its output voltage can be adjustable over the whole range of the input voltage to provide maximum system flexibility. Moreover, its minimum output current can be as low as 25A to save energy and prevent system overloading.

The VI-210-MU adopts a two-stage converter topology which consists of a PFC stage and a phase shift full bridge (PSFB) stage. The PFC stage is a DC-DC boost converter which is responsible for the power factor correction and the buffering of the input current. The PSFB stage is a DC-DC buck-boost converter which is responsible for the voltage transformation from input voltage to the adjustable output voltage. It has very good transient performance, ensuring constant output voltage in the case of large load changes, thus providing reliable electrical energy supply.

The operating principle of the VI-210-MU can be summarized as follows. The power factor corrector (PFC) stage first rectifies the input AC source voltage and then boosts it to an intermediate voltage level. Then inPSFBstage, the rectified intermediate DC voltage is further transformed to the adjustable output voltage through the phase shift full bridge (PSFB) stage. The PSFB stage uses a set of series switches to form a full bridge rectifier. A half-cycle control method is used for controlling the output voltage of the converter so that it remains constant even under heavy load changes.

The VI-210-MU has many advantages over traditional DC-DC converters. It has excellent voltage regulation, high power conversion efficiency, low input current THD, and adjustable output voltage, making it perfect for many different applications. The wide input voltage range (80-460V) allows it to work with most AC sources, and the low ripple current makes it suitable for noise-sensitive applications. Overall, the VI-210-MU is one of the most reliable and efficient DC-DC converters available on the market.

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