Power Integrations has used GaN switching to in a reference design for a 100W USB Power Delivery (PD 3.0) charger and USB programmable power supply (PPS). From 90 – 265Vac in can deliver 5A at 5, 9, 12, 15 or 20V, or 3.3 – 21V at 5A (up to 100W). The design, DER-937, contains: specification, schematic, PCB layout, bill ...

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