JWS60028 Power Supplies - External/Internal (Off-Board)

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AC DC converters are crucial components in a wide range of electronic devices, from medical equipment to home appliances. The JWS60028 is a popular model of AC DC converter chosen for its high quality and long lasting performance. This article will explain the application field and working principle of the JWS60028.

The JWS60028 is an integrated flyback converters specifically designed for AC-DC conversion and high efficiency output. Its specific features include an operating temperature range of -40° to 85°C; a maximum switching frequency of 300 kHz; average efficiency up to 79%; and input voltage range of 70-290V. It is also equipped with integrated safety features, allowing it to withstand multiple short circuit cycles, disconnect and reconnect under load, and so forth. Some of its most common applications include power supplies for electronics, lighting, medical machines, communication systems, and other industrial equipment.

The flyback topology employed by the JWS60028 is an underrated but incredibly useful feature, allowing for the transformer to store energy during regular operations and boost the voltage when necessary. It provides a high degree of safety as it prevents abnormally high voltage from developing if the load suddenly decreases.

The primary components of the JWS60028 include a transformer, a rectifier, an output filter, and a controller. The transformer converts the AC power input to a current flow in its primary winding. This induces a magnetic field in the secondary winding, inducing an AC voltage, which is then rectified by a bridge circuit to form a DC output. The output filters are necessary to smoothen the output and suppress any high frequency noise. The controller then monitors the output voltage and regulates it via the duty cycle on the switching control.

The JWS60028 also has several protections to prevent damage from over-voltage and over-current. It includes an auto-recovery protection when over-current is detected, and an active energy limiting protection when over-voltage is detected. It also has a temperature protection circuit which limits the maximum temperature of the device, reducing the load when the device overheats. All of these safety features make it an ideal choice for applications that require reliable power.

In summary, the JWS60028 AC DC converter is an excellent choice for applications where reliability and efficiency are of utmost importance. Its integrated flyback topology ensures a stable output, and its built-in safety features offer extra protection from over-voltage and over-current. With its robust construction and high efficiency output, the JWS60028 is a powerful and cost-effective AC DC solution.

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