VFB400W-Q48-S48

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

DC DC converters

Power electronics is an evolving and rapidly advancing field which is having a major impact in various areas of engineering. DC DC converters are one of the significant products of power electronics which have broad applications. VFB400W-Q48-S48 is a type of DC DC converter which is employed in many applications. In this article, the application field and working principle of this DC DC converter are discussed.

Applications of VFB400W-Q48-S48

VFB400W-Q48-S48 is a DC-DC converter of 400W, 48V-48V, with 4000VDC isolation. The converter is ideal for distributed power architectures (DPA) and other demanding industrial applications such as train control systems, electrics vehicles, power stations, etc. Since it is an isolated converter, it can be used to electrically separate two circuits using the same power source, providing high level of safety. VFB400W-Q48-S48 is also widely used in telecommunications systems, railway transportation system, robots, medical equipment, etc.

Working Principle of VFB400W-Q48-S48

The working principle of the VFB400W-Q48-S48 employs advanced synchronous rectification technique. This technique virtually eliminates the switching loss and enhances the overall efficiency of the converter. It uses a full-bridge circuit composed of four switch devices, which enables it to transfer energy from the input side to output side at very high efficiency. In the synchronous rectification technique, the switch devices are turned off simultaneously to avoid voltage spikes. It thus results in improved conductive losses compared to the diode-clamp circuit, as in the latter, one of the two switches is kept on for a finite time while the other is off. To further increase the efficiency, the VFB400W-Q48-S48 also adopts the zero-voltage-switching (ZVS) technique to reduce the magnitude of inductor current ripple.

The VFB400W-Q48-S48 also features pulse-width modulation (PWM) input control, current mode control, remote on/off control, output over-voltage protection, output short-circuit protection, and over-temperature protection. These features ensure reliable operation and superior dynamic performance. In addition, it also includes several protection mechanisms which not only improve the overall safety of the system but also provide stability for long-term operation.

Conclusion

In summary, VFB400W-Q48-S48 is a type of DC-DC converter with a wide range of applications. The device features advanced synchronous rectification technique and zero-voltage-switching to maximize efficiency. It also provides several protection mechanisms to guarantee reliable operation. Using VFB400W-Q48-S48 thus brings numerous benefits and advantages for power electronic systems.

The specific data is subject to PDF, and the above content is for reference