QPDF-480-27

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AC DC converters, also known as rectifiers, are electrical devices used to convert alternating current (AC) into direct current (DC), and are essential to the electronic power supply chain. In this article, we discuss the application field and working principle of the QPDF-480-27 AC DC converter.

QPDF-480-27 is a low-power, high-frequency AC/DC wall charger with detailed specifications. It has a wide input voltage range of 85 to 264 VAC and a wide input frequency range of 47 to 63 Hz. It provides a 27 W, 5 V DC output, with an efficiency of 80% and no-load current of 0.2A. The reliability of the QPDF-480-27 is excellent, with low leakage current and full protection from overvoltage and short-circuit conditions. QPDF-480-27 is UL, FCC, and CE certified and is RoHS compliant. It also has a low standby power of 0.5 W.

QPDF-480-27 is most commonly used in a wide variety of consumer electronics, such as mobile phones, tablets, cameras, and video game consoles. It is also used in medical and industrial equipment, as well as in lighting applications. Overall, this adapter is reliable, safe, and easy to use in many applications.

The QPDF-480-27 AC/DC adapter works by converting the alternating current from a power outlet into the direct current needed for the device. It works similarly to a transformer, but instead of using winding turns to boost the voltage, it uses high-frequency switching circuitry to step down the voltage. By doing this, the adapter is able to efficiently and safely provide a constant voltage output, regardless of the input current or voltage.

The QPDF-480-27 AC/DC adapter consists of several components, including a rectifier, an EMI filter, a switching controller, and an output voltage regulator. The rectifier is responsible for taking the AC input and converting it to DC. The EMI filter is an important component that helps to reduce the amount of electromagnetic interference generated by the device. The switching controller is responsible for controlling the switching frequency of the device, while the output voltage regulator maintains a steady output voltage.

In conclusion, the QPDF-480-27 AC/DC adapter is a reliable and efficient device that can be used in many applications. It has a wide input range and can provide a constant output voltage regardless of the input current or voltage. It is an essential component of any power supply system, and its functionality helps to ensure the safe and efficient operation of the device.

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