220V-5V方案-2.78W，LNK613
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DI157 Design Idea LinkSwitchII 275 W USB Charger Application Device Power Output Input Voltage Output Voltage Topology Lowcost USB ChargerAdapter LNK613DG 275 W 85 265 VAC 5 V Flyback Design Highlights Revolutionary control concept enables very low cost low part count solution Primaryside control eliminates secondaryside controller and optocoupler Constant voltage CV accuracy 5 Constant current CC accuracy 10 Overtemperature protection with hysteretic recovery ensures safe PCB temperat......
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