This text synopsis introduced a control of electric current PWM chip UCC3802, producing to take UCC3802 as the core, designing a kind of novel list to carry the anti- arouse type switch assistance power supply.Introduced work principle and each parts of functions of that power supply, give the choice and the design of the main parameter.Should lend support to the power supply has the structure in brief, output stability etc. advantage, only be applicable to the situation of the direct current electric voltage power supply.
Keyword:The electric current type controls the anti- arouse type switch power supply UCC3802