The FAN9611MX is an interleaved dual BCM PFC controller from ON Semiconductor. It operates two boost power trains 180° out of phase for extended power levels.
The On Semiconductor FAN6921BMRMY is an integrated PFC and Quasi-Resonant PWM controller. It operates within a voltage range of 8.5V to 25V and an ambient temperature range of -40°C to 105°C.
The FAN6921AMRMY from On Semiconductor is a Power Factor Correction (PFC) controller IC. It operates within an 8.5V to 25V supply voltage range and features a surface mount 16-SOIC package.
The Texas Instruments UCC28060D is a Power Factor Correction (PFC) IC operating in discontinuous mode. It features a switching frequency of 500kHz and a wide supply voltage range.