Laptop AC / DC Schaltadapter

laptop AC/DC switching adapter 1.AC/DC switching adapter 2.Switching power supply . 3 Switching power adaper 1(Input Voltage Range)90VAC 246VAC2(Input Frequency Range)47Hz 63Hz3(Low power consumption) :<0.3W4 (The output subscribes according to the model) 5(Overheated protection)6(Ripple) <1%(mVp-p)7(Efficiency)≥84%8(Over Voltage Protection) 130% 150%9 (Over Current Protection)110% 150%10(Short Circuit Protection) `11(Power will return to normal once got rid of short circuit)12&(Output ripple & noise): 100mVp-p.