_{The main constraint on development of LED switching power supply}

A kind of high frequency pulse electrical switching power supply for the led course for the future . working at the resolution limit of high frequency pulse electrical switching power supply, it will enable the ultimate in miniaturization and performance. Entering into the 21st century, the technology of LED switching power supply has obtained the unprecedented widespread application in various fields. in addition the research of LED switching power supply has great significance to saving energy, saving resources and protecting the environment