STMicroelectronics has introduced a 400W pans power supply evaluation kit that “meets today’s toughest eco-design norms”, according to the company.  “Full-load efficiency is over 93% at 230Vac and over 91% at 110Vac, with no-load mains consumption of less than 0.150W [at 230V].” Called EVL400W-EUPL7, is is built around ST’s L4984D current-mode power factor correction controller ...

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