Transphorm,  the GaN power conversion specialist, and Silanna Semiconductor have brought out a GaN power adapter reference design. The design is for an open frame, 65W USB-C Power Delivery (PD) charger that combines Transphorm’s SuperGaN Gen IV platform with Silanna Semiconductor’s  Active Clamp Flyback (ACF) PWM controller. Together, the technologies yield a peak efficiency of 94.5 percent with an ...

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