REC5-4805DRWZ/H4/C/SMD

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DC-DC converters are widely used in various applications. The REC5-4805DRWZ/H4/C/SMD is a DC-DC converter which is commonly used today. This article will discuss the application fields and working principles of REC5-4805DRWZ/H4/C/SMD.

Application Fields

The REC5-4805DRWZ/H4/C/SMD is a DC-DC step-down converter mainly used for buck-conversion. It can convert an input voltage of 5-60V to a lower output voltage of 1.8-15V. It is also capable of handling high amount of power input of up to 24A, and is widely used in industrial and commercial applications such as distributed power systems, telecom equipment, and computer server’s power supplies. It also can be used as a low-profile and isolated DC-DC buck converter in many other applications.

Working Principle

The REC5-4805DRWZ/H4/C/SMD features a primary side resonant current-mode control which provides a clean switching with high efficiency and low power losses. Its switching device consists of a low-side MOSFET and a high-side MOSFET which form a totem-pole topology. When the MOSFETs are on, the primary side inductor is charged and the output voltage increases. When the MOSFETs are off, the inductor discharges to the output and the output voltage decreases.

The logic control circuit also plays an important role in the working principle. It provides a switching signal to the driving stage and synchronizes the switching frequency. The logic control circuit also adjusts the output voltage and limits the output current by changing the duty cycle. When the output load or its input voltage varies, the duty cycle is adjusted to keep its output voltage stable and keep the MOSFETs within their safe operating region.

Conclusion

The REC5-4805DRWZ/H4/C/SMD is a high-efficiency DC-DC step-down converter with a wide input voltage range and capable of handling high power inputs. It is mainly used for buck-conversion purposes and is widely used in various industrial and commercial applications. Its working principle is based on primary side resonant current-mode control which provides a clean switching with high efficiency and low power losses. The logic control circuit also plays an important role in synchronizing the switching frequency, regulating the output voltage, and limiting the output current.

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