PI PFC controller has 98% full-load efficiency

Power Integrations’ HiperPFS-4 power factor correction (PFC) controller IC  ones with an integrated Qspeed low reverse recovery charge (Qrr) boost diode. This combination delivers greater than 98% full-load efficiency in PC, TV, and similar applications between 75 W and 400 W.  “Designs using HiperPFS-4 ICs show very high efficiency across the load range with as little ...

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