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交流输入：90～264 Vac
输 出：12V / 2A
输入频率：47～63 Hz
输入电流：0.8 Arms Max
浪涌电流：80 Arms Max
效率： 86% Min
空载功耗：75 mW Max
泄漏电流: 100 uA Max
有电路保护功能
拓扑的话，我选择Flyback，希望大家提建议，多谢！
UCC28740这颗芯片应该合适吧
