CrM/DCM Multi-Mode PFC Controller with Enhanced THD Performance

The MP44020 is a multi-mode, critical condution mode (CrM)/discontinuous conduction mode (DCM) power factor correction (PFC) controller that provides simple, high-performance active PFC using minimal external components. The device offers lower total harmonic current distortion (THD) and near-unity • Valley Turn-On for Minimal Switching Loss\n• Switching Frequency (fSW) Reduction to Reduce Switching Loss under Light-Load Conditions\n• Low Supply Current in Burst Mode\n• Soft-On/Off Burst for Low Audible Noise\n• Total Harmonic Distortion (THD) and Power Factor (PF) Enhancement\n• Soft Start (S;

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