REC3-4809DRW/H/B/M/SMD

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DC-DC converters are widely used in various fields with different structures and functions. Generally, DC-DC converters mainly involve stepped-up, stepped-down and isolated DC-DC converters. Among them, REC3-4809DRW/H/B/M/SMD belongs to the isolated DC-DC converter and its application field and working principle are as follows.

Application Field

REC3-4809DRW/H/B/M/SMD isolated DC-DC converter is mainly used in equipment such as industrial control systems, instrumentation, telecom, networking, medical and audio/video systems. It can effectively convert the input DC voltage to an isolated output voltage by using high frequency resonant circuit. Due to its compact size, simple structure and high efficiency, it is very popular in electrical systems.

Working Principle

The working principle of REC3-4809DRW/H/B/M/SMD is mainly based on the high frequency resonant circuit. It consists of a switching element, a primary side winding, a secondary side winding and an auxiliary winding. The switching element and the primary and secondary windings are connected in a loop. Then, under the control of the feedback signal from the auxiliary windings, the high frequency signal is generated in the resonant circuit to control the switching element. So, it can regulate the output voltage in a range.

In addition, the switching element in the resonant converter is usually based on the MOSFET. It not only has no spark when it is switched on and off, but also has no contact and has long life. In addition, due to the structure of the high frequency resonant circuit, the switching process of the MOSFET can be controlled by the resonance effect, and the waveform of the voltage and current are sinusoidal.

The functioning of REC3-4809DRW/H/B/M/SMD isolated DC-DC converter is completed by the core components mentioned above, such as switching element, primary and secondary windings, and auxiliary winding. Through the control of the switching element by the auxiliary winding, the output voltage is regulated in a range.

Conclusion

To sum up, REC3-4809DRW/H/B/M/SMD is an isolated DC-DC converter, which can convert the input DC voltage to an isolated output voltage with the help of the high frequency resonant circuit. It is mainly used in industrial control systems, instrumentation, telecom, networking, medical and audio/video systems, and its core components are the switching element, the primary and secondary windings, and the auxiliary windings. With the advantages of simple structure, high efficiency and long lifetime, it is very popular in electrical systems.

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