RAC03-05SC

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AC DC converters have become essential components of electrical networks, providing high efficiency power conversion. The RAC03-05SC is a Boost isolated AC DC converter designed to offer a wide input voltage range suitable for most common applications. The salient features of this device include a high efficiency, low voltage input, and built-in protection from unexpected power shocks.The RAC03-05SC utilises phase shift full bridge topology to deliver high efficiency power conversion when compared to traditional non-isolated converters. Due to the device’s high efficiency, only a small output capacitor is needed to maintain a stable output voltage. The RAC03-05SC can work with input voltages between 8.5V and 36V, and the output is adjustable from 5V to 21.5V with a maximum output power of 15W.In terms of operational safety, the RAC03-05SC features built-in protection against short circuit, overvoltage, undervoltage, and over temperature. It is also designed to disallow arbitrary operation, and can be used with a range of control and protection functions. Furthermore, the device features an overrated restart capability, and soft start which limit the inrush current to make it friendly for automotive layouts.In terms of working principles, the RAC03-05SC converter relies on a combination of two essential stages. Initially, a full bridge rectifier circuit is used to rectify the input AC voltage to form a DC voltage. This DC voltage is then switched at a frequency of up to 500 KHz by a power MOSFET on the primary side. The output voltage is determined by the switch frequency and the turns ratio of the transformer. On the secondary side, the output voltage is regulated and protected by the control circuitry.Overall, the RAC03-05SC is an ideal AC DC converter for applications such as automotive, consumer, and industrial electronics. It offers high efficiency and reliability, and is suitable for use in harsh conditions. With its comprehensive protection features, the device is an attractive solution for providing high performance power conversion.

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