填空题 No ( ) will be applied to / across component owing to slots being made. 開槽不會對器件施加( )。

填空题 Do not use zener in secondary output as ( ) to avoid zener short circuit and overheat. In case needed, zener should be added with ( ) in series. 次級輸出不要用穩壓管作為( )，以免穩壓管短路和過熱。 如有需要，穩壓管應串聯( )。

填空题 It should be add location of ( ) circuit,and the power of ( ) resistance should be enough to meet the requirements of PD discharge test. PD电源輸出有加( )回路位置，( )電阻功率需要足夠，滿足PD放電測試要求。

填空题 If the working mode of secondary synchronous rectification is v * s equilibrium, it is necessary to evaluate adding ( ) to synchronous MOS. 次極同步整流的工作方式如果是用伏秒積平衡方法，需要評估在同步Mos加( )。

填空题 No possibility of op-amp or comparator input pin going below -ve or above ( )V. 運放或者比較器的輸入Pin不能小於-Ve或者大於( )V。

填空题 If use 431 as reference, a ( ) should be parallel with its AK pins for good stability. 如果使用431做参考电压，需要加( )电容在AK脚之间，加强可靠性。

填空题 If the output power is more than 60W (20V/3A), need ( ) to power E_mark. It is necessary to confirm whether the protocol IC supports it. If the output is wired and without PD certification, it is not necessary. 輸出功率>60W(20V/3A)需要支援( )，給E mark供電，要確認協議IC是否支持，如果輸出是帶線且不用PD認證則不用。

填空题 Zero ohm ( ) are added in the schematic to ensure connection of control circuit to power circuit at appropriate point. 在原理圖中增加了零歐姆( )，以確保控制電路在適當的點與電源電路連接。

填空题 Add ( ) for all signal line inputs to avoid no current limit when connecting system which lead to component failure owing to system malfunction. 為所有信號線輸入增加( )，以避免在連接系統時無電流限制，導致系統故障而導致部件故障。