引用第4楼cherlly于2010-03-23 09:07发表的 : ! B( q. C S2 _8 U, h2 f. C; v% Z請問Class 2的定義是什麼
CLASS 2 – A source having limited voltage and energy capacity. Requirements for voltage and* ~/ y( P, c) P6 x6 d& q
energy capacity limitations are as indicated in this standard. See the Maximum Output Voltage Test,8 r7 d% Q: B" t" `4 G& k, u. C9 ~
Section 28, and the Output Current and Power Test, Section 30.+ U9 a% ^* e0 E+ n7 B2 L0 X+ C
具体参见UL1310,跟950-1里面的LPS电路类似