VE-B51-CX-S

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DC-DC converters are devices that convert DC power from one voltage level to another. They are widely used in applications such as automotive, aerospace, medical, and industrial. The VE-B51-CX-S is a DC-DC converter specifically designed for photovoltaic (PV) applications. It is a single-phase, high-efficiency buck module with a switching frequency of up to 1 MHz.

The VE-B51-CX-S is capable of converting the input voltage into an output voltage of 80 volts. It also provides two separate output windings. One winding is regulated using Pulse-Width Modulation (PWM) technique, which provides a stable output voltage. The other winding is used to deliver a higher DC voltage, depending on the requirement of the load.

The VE-B51-CX-S can operate as either a buck or boost converter. In buck operation, it can step down the input voltage to the required output voltage. In boost operation, it can boost up the input voltage to the required output voltage. The module also provides overvoltage protection, short-circuit protection, and over-current protection. In addition, it features an adjustable soft-start function that allows the user to limit the inrush current of the load.

The working principle of the VE-B51-CX-S is based on the PWM switching technique. When the input voltage is higher than the output voltage, it acts as a buck module, and switches the buck FET between fully on and fully off at a fixed frequency. The duty cycle of the PWM signal controls the output voltage. This method enables the converter to provide a controlled output voltage even in cases where the input voltage is too low or too high. On the other hand, when the input voltage is lower than the output voltage, it acts as a boost module and switches the boost FET between fully on and fully off to step up the input voltage to the required output voltage.

The VE-B51-CX-S is a high efficiency, high power density DC-DC converter designed for PV applications. Its two separate output windings enable it to deliver high DC voltage for the load, while its adjustable soft-start feature allows it to limit the inrush current of the load. In addition, its PWM switching technique enables it to operate as either a buck or boost converter, helping to deliver stability and reliability in various applications.

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