DC - DC converter (DC / DC) converter is widely used in remote and data communications, computer, office automation equipment, industrial instrumentation, military, aerospace and other fields related to the national economy all walks of life.Divided by the size of the rated power, the DC / DC can be divided into 750W, 750W 1W and 1W to the following three categories. In the 1990s, the growth rate of the DC / DC converter in low power range greatly improved, 6W of 25WDC/DC convert
