Brief introduction of switching power supply for Mingwei Electronics Co., Ltd.

With the rapid development of power electronics technology, the relationship between power electronic equipment and people's work and life is increasingly close, and electronic equipment can not be separated from reliable power supply. In the 1980s, the computer power supply has been fully switched to power supply, taking the lead in completing the power generation of computers, and in the 1990s, switching power supply has entered each other one after another. In the field of electronic and electrical equipment, switching power supply has been widely used in SPC exchanges, communications, power supply for electronic testing equipment and power supply for control equipment, which has promoted the rapid development of switching power supply technology.

Compared with linear power supply and open-weft switching power supply, the cost of both increases with the increase of output power, but the growth rate of the two is different. The linear power supply cost is higher than the switching power supply at a certain output power point. With the development and innovation of power electronics technology, the switching power supply technology is constantly innovating. This cost reversal point is moving to the low output power terminal day by day, which provides a wide range of development space for switching power supply.

It has promoted the miniaturization and portability of new and high technology products. In addition, the development and application of switching power supply in security monitoring, energy saving, resource saving and environmental protection are of great significance.