AC9-HHHHHH-1B

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AC-DC converters are a type of electrical power conversion device which take an Alternating Current (AC) input and convert it into a Direct Current (DC) output. The AC-DC converter family includes a number of different technologies such as linear transformers, switched-mode power supplies, and AC-DC converters. In this article, we will be looking at a specific type of AC-DC converter, the AC9-HHHHHH-1B. We will discuss the application field and working principle of this converter.

The AC9-HHHHHH-1B is a compact, low profile AC-DC converter designed to provide an efficient and cost-effective power supply solution for medium power applications. It is capable of delivering up to 90W of output power in a single output configuration, or up to 120W of output power when used in a dual output configuration. The wide input voltage range (85VAC to 265VAC) allows for use in a variety of geographical locations with different power ratings, and it has a low working temperature range of between 40°C and 45°C.

The AC9-HHHHHH-1B converter provides a very low output ripple voltage of 3mV, making it suitable for sensitive applications in which power variations of the output must be minimized. This makes the converter well suited for use in industrial control and automation systems, automotive, and consumer electronics applications. It also meets EN61000‐3-2 Class C safety compliance requirements, making it suitable for use in medical applications.

In terms of its working principle, the AC9-HHHHHH-1B utilizes a full-bridge rectifier, along with a linear transformer and secondary rectifying diodes, to convert the AC input into a DC output. The input bridge rectifier rectifies the AC input, producing a DC voltage which is smoothed by using an input filter capacitor. The linear transformer then steps down the DC voltage to the desired output voltage specification. The secondary rectifying diodes then convert the stepped down voltage back into a DC voltage, which is then filtered by the output filter capacitor. Another key feature of the AC9-HHHHHH-1B is that it utilizes a low-noise switch-mode topology, ensuring that the converter operates with low acoustic noise.

In conclusion, the AC9-HHHHHH-1B is a reliable, efficient, and cost-effective AC-DC converter designed for medium power applications. Its wide input voltage range and low output ripple voltage make it suitable for use in a variety of applications, including industrial control and automation systems, automotive, consumer electronics, and medical applications. Its switch-mode topology also ensures low acoustic noise operation.

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