The IVCC1104 is a high-speed, precise and compact totem-pole PFC controller. It has two package forms: SOIC-16 pin package and QFN 4x4 20L pin package. It is also the first totem-pole PFC analog controller in the industry with full-function continuous conduction mode (CCM) control. It has solved the control difficulties of totem-pole PFC in multiple aspects at present.