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DC DC Converters

DC-DC converters are devices that convert one DC voltage to a different DC voltage. The VE-27T-EX-F4 is an example of such a device. It is an isolated DC power supply with an output voltage of between 15 and 35 VDC. It has current limits of up to 4A and can source or sink a maximum continuous current of up to 3A.

Application Field

The VE-27T-EX-F4 is typically used in industrial applications where the end product needs to be functionally safe and reliable. It is designed to provide a steady regulated voltage in a range of applications, such as in electro-mechanical systems, industrial process control systems, and instrumentation. The device is also suitable for a variety of highly specialized applications such as those requiring wide dynamic and fast transient response, or with poor line regulation.

Working Principle

The VE-27T-EX-F4 is a flyback DC-DC converter operating from an isolated input voltage of 10-50VAC, and an input current of 0.6A. It has a peak efficiency of up to 95% and a no-load input power of up to 2.4W. The device achieves its high efficiency by using an advanced power management system, which utilizes a switching circuit to regulate the output voltage. The device also features an integrated current limit circuitry, which enables it to provide the required output current without compromising on efficiency.

The VE-27T-EX-F4 utilizes a Zero Current Switching (ZCS) technique to minimize switching losses and minimize EMI noise generated during the switching process. This technique is also used to improve the power quality at the output. Additionally, the device utilizes an integrated frequency jittering technique which minimizes the input capacitance, allowing for higher operating frequencies and therefore higher total efficiency.

The VE-27T-EX-F4 also provides advanced protection features including overload, short-circuit, over voltage and reverse polarity protection. This helps to ensure a reliable and safe operation in a variety of applications.

Conclusion

The VE-27T-EX-F4 is a reliable, efficient and safe DC-DC converter, designed for a wide range of industrial applications. It features an integrated efficient power management system and advanced protection features, enabling it to function safely and reliably in many different environments. The device is also very efficient, thanks to its Zero Current Switching technique and integrated frequency jittering technique.

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