EMI AN INDUCTION HEATING TYPE ELECTRONIC DEVICE HAVING ENHANCED EMI REDUCTION PERFORMANCE

摘要

The present invention relates to an induction heating type electronic device with improved EMI reduction performance. In addition, according to an embodiment of the present invention, the induction heating type electronic device comprises: a noise printed circuit board for reducing noise of alternating current power outputted from an input power supply unit; a main printed circuit board for receiving the alternating current power from the noise printed circuit board and controlling driving of a compressor; and an induction heating printed circuit board for receiving power from at least one of the noise printed circuit board and the main printed circuit board, and controlling an induction heating operation of a working coil, wherein the main printed circuit board includes an auxiliary power supply unit for rectifying the alternating current power received from the noise printed circuit board into direct current power, and outputting the rectified direct current power, a compressor driving unit for receiving the direct current power outputted from the auxiliary power supply unit to perform a switching operation, a compressor output terminal for providing power generated through the switching operation of the compressor driving unit to the compressor, an induction heating printed circuit board input terminal for providing the direct current power outputted from the auxiliary power supply unit to the induction heating printed circuit board, a first ferrite core provided between the compressor driving unit and the compressor output terminal, and a second ferrite core provided between the auxiliary power supply unit and the induction heating printed circuit board input terminal.