Power Factor Controller for Compact and Robust, Continuous Conduction Mode Pre-Converters NCP1654 The NCP1654 is a controller for Continuous Conduction Mode (CCM) Power Factor Correction step−up pre−converters.
It controls the power switch conduction time (PWM) in a fixed frequency mode and in dependence on the instantaneous coil current.
Housed in a SO8 package, the circuit minimizes the number of external components and drastically simplifies the PFC implementation.
It also integrates high safety protection features that make the NCP1654 a driver for robust and compact PFC stages like an effective input power runaway clamping circuitry.
Features • IEC61000−3−2 Compliant • Average Current C...

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