Quasi-resonant PFC IC with 750V GaN switch boosts efficiency

POWER INTEGRATIONS HiperPFS-5 family of power-factor-correction (PFC) ICs, with an integrated 750V PowiGaN gallium-nitride switch, provide efficiency of up to 98.3%. Device delivers up to 240W without a heat sink and can achieve a power factor of better than 0.98. Devices are suitable for high-power USB PD adapters, TVs, game consoles, all-in-one computers and appliances. By pairing the devices with firm’s HiperLCS 2 chipset or the InnoSwitch 4-CZ active-clamp flyback ICs, designers can circumvent efficiency regulations, while cutting the BOM in half.

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