onsemi FBA42060, Power Factor Controller, 20 kHz, 276 V rms 26-Pin, SPMAA

Power Factor Correction (PFC), Fairchild Semiconductor

The PFC Controller solutions include Continuous Conduction Mode (CCM), Critical/Boundary Conduction Mode (CrCM/BCM), Interleaved PFC Controllers, as well as the PFC plus PWM Combination Controllers.
All controllers come with integrated protection features of soft start, over-voltage protection, open-feedback protection, over-current protection, input-voltage-absent protection, and under-voltage lockout protection.