GaN ac-dc chips cover 27W to 55W without heatsink

Power Integrations has back-filled its InnoSwitch3 range of ac-dc power supply chips with 750V GaN power transistors – it already uses GaN transistors at the higher-powered end of the range. “PowiGaN technology permits manufacture of 94% efficient power supplies suitable for regions with frequent brown-outs and line surges,” said the company. “This enables OEMs to ...

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