300W Off-line Power Factor Correction (PFC) Boost Converter
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300W Off-line Power Factor Correction (PFC) Boost Converter

The circuit presented here is a 300W off-line power factor correction (PFC) boost converter providing a nominal regulated output voltage of 375V @ 0.8A of load current. The project accommodates an input voltage range of 85V AC to 265VAC and uses average current mode control at a fixed...

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Programmable Frequency – Continuous Conduction Mode (CCM) – Boost Power – Factor Correction (PFC) Controller
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Programmable Frequency – Continuous Conduction Mode (CCM) – Boost Power – Factor Correction (PFC) Controller

The circuit described here is a simple PFC controller using the UCC28180 chip from Texas instruments. The controller operates under average current mode control at a fixed programmable switching frequency of 116 kHz. Simple external current and voltage loop compensation, along with...

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