REC5-2405DRWZ/H2/C/SMD-R

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DC-DC converters are one of the most important contributors to the development of modern electronics. REC5-2405DRWZ/H2/C/SMD-R is one of the outstanding DC-DC converters in the market. It is cost-effective and high in performance. In this article, the application field and the working principle of the REC5-2405DRWZ/H2/C/SMD-R are discussed.

The REC5-2405DRWZ/H2/C/SMD-R is mainly used in providing power supply for Power-over-Ethernet (PoE). The PoE technology is widely used in different industries. It enables the transmission of data and power over the same cable, which simplifies the installation and saves the labor cost. The REC5-2405DRWZ/H2/C/SMD-R converts the input voltage of 24VDC or 17VDC to 5VDC at maximum 500mA. Therefore, it is very suitable for providing power supply to PoE applications.

The working principle of the REC5-2405DRWZ/H2/C/SMD-R is based on the DC-DC buck-boost converter topology. The buck-boost converter is an interesting combination of the buck converter and the boost converter which can accept voltages both higher and lower than the output voltage. In the REC5-2405DRWZ/H2/C/SMD-R, the buck-boost converter is composed of two capacitors, three transistors, and an inductor. The two capacitors are used to filter the input and the output voltages. The three transistors are used as the switching components. They are connected in the form of an H-bridge to control the current flow in the inductor. The inductor is used to store the energy and to transfer the energy from the input to the output.

When the input voltage is higher than the output, the top transistor of the H-bridge turns on first. This causes the inductor to start accumulating energy from the input power source. The inductor current ramps up gradually. When the inductor current reaches a preset threshold, the bottom transistor of the H-bridge is turned on, which causes the inductor current to reverse and transfer the energy stored in the inductor to the output capacitor. The output voltage, thus, decreases. This process is repeated periodically in order to maintain the output voltage. When the input voltage is lower than the output voltage, the process is the same, but the bottom transistor is turned on first.

The REC5-2405DRWZ/H2/C/SMD-R is a cost-effective and high in performance DC-DC converter which is mainly used to provide power supply for Power-over-Ethernet applications. Its working principle is based on the buck-boost converter topology which uses two capacitors, three transistors, and an inductor.

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