VI-21W-EW

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DC DC Converters

DC/DC converters are widely used in consumer electronics, medical products, and defense systems to provide isolation, filtering, conversion, and control of an electrical signal. VI-21W-EW is one of the advanced converters commonly used in modern applications. This article will summarize the application field and working principle of the VI-21W-EW product.

Application Fields

The VI-21W-EW converter is a highly efficient, small, and lightweight device, which makes it perfect for applications needing power conversion or electrical signal transfers with limited space requirements. It is commonly used in tablet PCs, portable GPS systems, navigation systems, and cell phones, where its small size helps reduce system size and weight.

The VI-21W-EW is also used in medical devices and military applications. It is a reliable and efficient product, making it a perfect choice for applications where reliability is a priority. Plus, the VI-21W-EW is also very cost effective, helping reduce system costs.

Working Principle

The VI-21W-EW converter uses a DC/DC switching regulator, which works by controlling the amounts of current and voltage needed by the load. By limiting the amount of current and voltage supplied to the load, the converter efficiently provides the voltage or current without wasting energy. The VI-21W-EW has a wide input voltage range, from 8 to 32V, which allows it to work with various power supply configurations.

The converter also uses current-mode control for control and regulation. This type of control is more accurate and reliable than voltage-mode control. The current-mode control works by controlling the on/off transitions of the switching regulator. By doing so, it can regulate and control the power supplied to the load.

The VI-21W-EW converter uses adaptive (or dynamic) deadtime control to provide high efficiency and low noise. By dynamically adjusting the amount of deadtime, the converter can alter its switching frequency to maximize efficiency and reduce ripple noise. It also features low on-resistance switches, which help minimize local energy loss and maximize efficiency.

The VI-21W-EW converter is designed for low-noise and low-loss operation, and has a wide operating temperature range. In addition, it features a multi-stage EMI filter, which helps reduce electromagnetic emissions. All these features make the VI-21W-EW an ideal choice for applications requiring efficient, reliable, and low-noise power conversion.

Conclusion

The VI-21W-EW is a highly efficient, reliable, and cost-effective DC/DC converter. It is suitable for a wide range of applications, including medical devices and military systems. Its wide input voltage range, advanced current-mode control, low-resistance switches, and low-noise operation make it an ideal choice for a variety of power conversion and control needs.

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