Design Insulated Hybrid Transformer of Application for AC Adapters of Smart devices

With continuing worldwide popularity, smart devices such as phones, pads, watches and glassed has become more sophisticated. Increasing strong demand for smaller insulated transformers, an ultra-small transformer has been developed by adopting an insulated hybrid structure with the size of W16.5 x L19.5 x H10.5 mm 3, whose volume is 65% smaller than conventional insulated transformers. The author’s new transformer has been improved in terms of noise reduction by 5-15 dB, power efficiency increase by 2%, and production efficiency by 50%. Relevant analyses are to be given.

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International Journal of Innovative Research in Electrical, Electronics, Instrumentation and Control Engineering (IJIREEICE)