USB galvanic separator based on ADuM3160 and ADuM4070 systems from Analog Devices. It has DC / DC converters converting USB values of 5VDC. The maximum output power of the converters is 2.5 W. The DC / DC converter has been made on the specialized configuration ADuM4070 (Analog Devices), which cooperated with the Pulse PH0555NL transformer.