AEB70US48

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AEB70US48 Application Field and Working Principle

The AEB70US48 is an AC / DC desktop wall adapter used in various energy-intensive applications. This product is suitable for IT equipment, communication, audio and video equipment, power tools and medical equipment. It has a maximum output power of 72W and a maximum output voltage of 58V.

Application Field

The AEB70US48 adopts active-clamp Flyback forward topology. It has the advantages of high power factor, low harmonic current, low power consumption, and high efficiency. Its built-in temperature protection and current limit protection with LED status indicator make it suitable for a variety of applications. The device supports Class B EMC standards for European countries. In addition, it also meets the safety requirements of UL/CUL and PSE.

In addition to the above features, the AEB70US48 can support a wide range of input voltages and can be used in power applications such as desktops, notebooks, tablets, projectors, audio-visual equipment and medical equipment.

Working Principle

The AEB70US48 AC / DC adapter has active-clamp Flyback forward topology, which is used for power conversion and regulation. It consists of rectifier, active-clamp main transistor, signal control and feedback circuit, etc. When the AC input voltage is detected, the primary rectifying diode conducted to allow input current to the active-clamp main transistor base. At the same time, flyback transformer magnetizing current induces a feedback voltage to provide stability. After being rectified, the secondary rectifying diode is turned on and the main transistor turns off, releasing the stored energy in the flyback transformer to realize the output.

The AEB70US48 AC/DC desktop wall adapter employs a high-precision feedback reference circuit which holds the output voltage with low ripple. Its current limit protection with LED indicator minimizes component stress and avoids potential damage to the powered application. The device is also compliant with the latest energy standards, resulting in significant energy savings and high efficiency.

Conclusion

The AEB70US48 AC / DC desktop wall adapters have a wide range of applications, from IT equipment to medical equipment. Its active-clamp forward topology provides a high-efficiency alternative that greatly reduces component stress and keeps the device cool. The device also features a high precision output voltage control circuit, current limit protection, and temperature protection. With its excellent performance, it should be the ideal solution for any power solution.

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