RAC04-12SC

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AC DC converters are electronic devices typically used to convert AC power to isolated direct current power. In the past, this was an arduous and expensive process. With the development of technology, AC DC converters have become relatively affordable and highly efficient, making them a widely used solution in many applications. One such AC DC converter is the RAC04-12SC, which is designed for high-pressure applications.

The RAC04-12SC is a small, efficient, integrated AC DC converter that is designed to provide isolated direct current power from a single-phase AC power source. The device is designed to deliver 18W of power, with a maximum operating input voltage of up to 400VAC. Additionally, the device has a wide operating temperature range, from -40 to +85°C. In order to provide isolation, the device is equipped with an isolated power diode bridge, which is used to isolate the input power from the output power.

As far as its working principle, the RAC04-12SC utilizes a bridge rectifier and a flyback topology to convert the AC input power into the isolated DC output power. The device consists of four switching devices, which are controlled by a low-power onboard control circuit. To convert the AC input into the required DC output, the switching devices are configured to behave like a classical line-commutated diode bridge rectifier.

When the input voltage is applied, the control circuit turns on the switching devices in a predetermined sequence, which converts the AC input into the desired DC output. Next, the control circuit utilizes the same process to regulate the output voltage, allowing for fine tuning of the output. Finally, a flyback topology is employed to provide the required isolation between the input and output of the device.

In addition to its conversion capabilities, the RAC04-12SC also offers several protection features, such as short-circuit protection, over-voltage protection, and over-temperature protection. These features are designed to ensure safe and reliable operation of the device.

The RAC04-12SC has several applications in both commercial and industrial sectors. It is often used in applications that require a small, efficient, isolated AC DC converter, such as industrial automation, lighting, and communication systems. Additionally, it is also used in applications that require a high pressure, high current AC DC converter, such as aerospace, laboratory, and medical applications.

In summary, the RAC04-12SC is a small, efficient AC DC converter designed to provide isolated DC power from a single-phase AC power source. The device utilizes a bridge rectifier and a flyback topology to convert the incoming AC power into the required DC output. Additionally, the device offers several protection features to ensure reliable and safe operation. The RAC04-12SC is suitable for a variety of applications in both commercial and industrial sectors, including industrial automation, lighting, communication systems, aerospace, laboratory, and medical applications.

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