V375B28H200BS

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The V375B28H200BS, which belongs to the DC-DC Converters family, is a low profile, synchronous, step-down, buck converter module with a wide input voltage range that can deliver power up to 200W.It uses an input capacitor array for power factor correction and improved input voltage stability, making it suitable for a variety of applications.

Application Fields

The V375B28H200BS DC-DC converter is suitable for many applications needing a stable 200W output, such as industrial automation, broadcast communication equipment, and defense systems. It specifically finds use as a power source in the general-purpose power, LED lighting, electrical vehicles, military applications, and data centers, where it functions in applications requiring the conversion of an input direct current (DC) voltage into a different DC voltage level.

Working Principle

The step-down converter module of the V375B28H200BS takes an input of direct current (DC) from a battery or another power source and processes it to create an output voltage that is lower than the input voltage. This happens due to a transistor switch that allows current to flow out of the input — which is connected to the battery or power source — at a predetermined rate. Initially, the DC voltage flows straight through the switch and into a storage capacitor. The voltage from the storage capacitor is filtered through an inductor in order to remove small spurts of voltage and allow the voltage to remain stable. Finally, the output voltage is regulated by an error amplifier. This amplifier, and a sense resistor connected to its output, works together to maintain the current output and prevent the output voltage from becoming too high.

To guarantee high efficiency and stability, this module is equipped with a massive array of MOSFETs as load switches. It also employs an intelligent control technology to reduce electromagnetic interference (EMI), a heat sink to lower the operating temperature, and an earthing technique to suppress component failure. This combination of features makes the V375B28H200BS an ideal choice for applications requiring a stable and efficient DC power supply.

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