DPA120020-P9/R-SZ

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AC AC wall adapters feature a variety of electrical devices designed to convert alternating current (AC) from household or other sources at one voltage to another voltage. AC AC wall adapters are mostly used to power sensitive electronics, such as laptops, digital cameras, and cellular phones, from standard 110V power outlets. Due to the popularity and wide use of wall adapters, various types of wall adapters have been designed with different characteristics and specifications. The DPA120020-P9/R-SZ is one of the AC AC wall adapter, and this article will discuss its application field and working principle.

Application Field of DPA120020-P9/R-SZ

The DPA120020-P9/R-SZ AC AC wall adapter is a high-frequency application device designed for providing an output voltage of 12 Vdc and delivering up to 20 A current at temperature range of -40 to 85 °C. It can be used in various types of electronics, such power supplies, industrial machinery, personal computer, communication equipment, 3C devices, and testing equipment. It is highly efficient, and has a minimum limited power dissipation. This makes it ideal for both consumer and commercial applications.

Working Principle of DPA120020-P9/R-SZ

The operating principle of the DPA120020-P9/R-SZ is based on the principle of AC AC wall adapter. The alternating current (AC) from the wall outlet is first converted into direct current (DC) with the help of rectification stage. After that, it is stepped down and filtered with the help of the filter stage. Finally, the filtered DC voltage is converted to AC voltage with the help of the Switching mode power converter stage.

During the first stage, the rectifier circuit converts the AC voltage from the wall outlet into the DC voltage. Then, the filter stage further reduces and filters the output voltage from the rectifier for a variable output voltage. The switching mode power converter is afterwards integrated with a PFC (Power Factor Correction) controller and provides very low switching losses. The output voltage of the PFC can be adjusted through the use of feedback and regulate the current output.

The DPA120020-P9/R-SZ AC AC wall adapter has a wide input range of 100Vac to 240Vac. It also supports active current sensing, active remote on/off, and overvoltage protection features. The adapter also has a lightweight and compact design for easy portability and storage. It has also been tested for safety, reliability, and performance. It has been certified and is UL/FCC/CE approved.

Advantages & Disadvantages

The advantages of the DPA120020-P9/R-SZ AC AC wall adapter include high efficiency, low switching losses, variable output voltage, overvoltage protection, active current sensing, and lightweight and compact design. It also has a wide input range of 100Vac to 240Vac. The main disadvantage of this adapter is its high price. It is also not suitable for powering large devices.

Conclusion

The DPA120020-P9/R-SZ AC AC wall adapter is a popular choice for powering various types of electronics. It is highly efficient, has low switching losses, and is lightweight and compact. It supports active current sensing, active remote on/off, overvoltage protection, and has a wide input range of 100Vac to 240Vac. The main disadvantage of this adapter is its high price. It is also not suitable for powering large devices.

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