Features
●PFC Section
●– IEC 1000-3 compliant
●– Additional operation mode as auxiliary power supply
●– Fast, soft switching totem pole gate drive (1 A)
●– Dual loop control (average current and voltage sensing)
●– Leading edge triggered pulse width modulation
●– Peak current limitation
●– Topologies of PFC preconverter are boost or flyback
●– Continuous/discontinuous mode possible
●– 94% maximum duty cycle
●PWM Section
●– Improved current mode control
●– Fast, soft switching totem pole gate drive (1 A)
●– Soft-start management
●– Trailing edge triggered pulse width modulation
●– Topologies of PWM converter are feed forward or flyback
●– 50% maximum duty cycle to prevent transformer saturation
●– fPWM = fPFC
