DC power supply switching 1.Switch power supply witch CE. 2.Competitived price,good quality, 3.Sample order is available DC power supply switching, ... switching adapter,notebook power adapter105°C output capacitorWith short-circuit and ... .5W108W99.9W96WEfficiency70%78%80%81%81%84%84%84%DC voltage adjustable range2.85-3.3V4.75-5.5V6. ...