KWS5A-24

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AC/DC converters are the primary means for powering electronics, consumer appliances, and industrial equipment. KWS5A-24 is an example of a low-power, single-output, AC/DC power converter module that has been gaining popularity in the recent years due to its competitively-priced, compact size, and solid performance. In this article, we discuss the KWS5A-24 application field and its working principle.

Application Field

The KWS5A-24 is most suitable for powering applications in the non-medical, low power, industrial and consumer electronics field. It is primarily used in applications requiring a continuous output power of up to 1kW, including measuring and control systems, lighting equipment, intelligent home appliance, and industrial automation.

Furthermore, the KWS5A-24 can be used as a single-output power supply for a variety of complex load profiles including high efficiency, low standby power, and extended life applications. By employing power factor correction (PFC) technology, this module can achieve total harmonic distortion (THD) of lower than 15%, thus guaranteeing a clean and reliable power supply for the long term operations.

Working Principle

The KWS5A-24 is a power converter module based on a full AC to DC converter with a synchronous rectification topology. The module takes in AC input and converts it to a DC output through several stages. The core stage of the KWS5A-24 is a DCPFC (Direct Current Power Factor Correction) stage, which performs power factor correction on the input line to reduce ripple, improve the power factor, and prevent phase inversion.

The DCPFC stage is combined with an input bridge rectifier to convert the AC input voltage to a high rectified voltage. Subsequently, the module takes the rectified output voltage and further attenuates it through a line filter prior to the double low-dropouts (LDOs) voltage regulator. The double LDOs provides the output voltage to the load and the necessary protection against accidental overloads. Lastly, a transient response adjuster is employed to ensure fast turn-on and suppressed turn-off periods.

The KWS5A-24 is a compact, cost-effective power conversion module equipped with efficiency up to 85%. This AC/DC power converter is designed to meet the requirements of any application in the class of non-medical, low-power, industrial and consumer electronics.

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