EMC - VI-J00

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Contents

9 EMC Considerations _ Design Guide amp Applications Manual For VI 200 and VI JOO Family DC DC Converters and Configurable Power Supplies CONDUCTED NOISE Conducted noise is the AC current flowing between the source voltage and the power supply It includes both common mode and differential mode noise Vicor zero current switching converters are 20 40 dB lower in conducted noise than a traditional board mounted PWM converter however if a specific EMC specification such as FCC or VDE must be met additional filtering may be required Since the noise generated is ten to a hundred times lower than fixed frequency converters an existing filter should provide equal or better performance when the conditions in the Module Do s and Don ts section are followed S ...