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SDI18-24-UDC-P5 application field and working principle

Power adapters, which are also called switching power supplies, are electronic components that convert the alternating current from the mains from the wall into a specific, stable direct current voltage for a device.The SDI18-24-UDC-P5 power adapter belongs to wall adapters and is designed for desktop applications. This article will discuss the application field and working principle of the SDI18-24-UDC-P5 power adapter in detail.

Application Field

SDI18-24-UDC-P5 power adapter is suitable for desktop applications.It provides 18W/24V power output and provides extremely high reliability. It is widely used in various electronic equipment, such as personal computers, peripherals, game consoles and so on. The SDI18-24-UDC-P5 power supply provides short circuit protection, overload protection, over temperature protection, and leakage current protection features to ensure safe and reliable operation.

Working Principle

The working principle of the SDI18-24-UDC-P5 power adapter is more complicated than that of the traditional AC adapter. It is mainly composed of four parts: input, primary circuit, secondary circuit and output, as shown in the figure below.

The input includes AC filter, rectification circuit, LED indicator and lightning protection circuit. The main part is the power switch circuit, which is composed of power switch, transformers, rectifier, filter capacitor and capacitor. It is responsible for the high frequency switching of the input voltage and the transformation of the voltage. The output part components are the voltage regulator circuit and the output filter capacitor.

In operation, when the power supply is connected and turnet on, the input AC voltage is filtered, rectified, and then the LED indicator lights up to indicate normal operation. The power switch circuit is then activated, transforming the input voltage and adjusting its power and frequency. The output current passes through the voltage regulator circuit for precise filtering and voltage regulation before outputting to the device.

Conclusion

The SDI18-24-UDC-P5 power adapter is a reliable and safe AC-DC adapter. It is mainly used in desktop applications and provides 18W/24V power output with a variety of protection functions. The power adapter works by transforming the input voltage, adjusting power and frequency, and accurately adjusting the output voltage.

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