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GaN-based ac-dc converter ICs boost power, efficiency


POWER INTEGRATIONS InnoSwitch 3 families of offline CV/CC flyback switcher ICs provide up to 95% efficiency across the full load range and up to 100W in enclosed adapter implementations without requiring a heatsink. This performance is achieved using an internally developed high-voltage GaN switch technology. GaN switches replace the traditional silicon high-voltage transistors on the primary side of the IC, reducing conduction losses when current is flowing, and considerably reducing switching losses during operation. This results in substantially less wasted energy and therefore increased efficiency and power delivery from the space-saving InSOP-24D package.


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