在某些场合，需要使用多种电压的负载时，也要用到DC - DC逆变器，如将24vdc的电能转换成5vdc的电能(注意，不是简单的降压)。
In some cases, the need to use a variety of load voltage, but also used for DC-DC inverter, 24vdc power if converted to 5vdc power (note, not a simple step-down).
由于CMOS集成电路中的故障和制造缺陷是多种多样的，其中有些故障既不能被电压测试也不能被稳态电流测试方法检测出来。
Due to the diversity of the faults and manufacturing defects in CMOS IC, some of the faults can neither be defected by voltage test nor by IDDQ test.
与12瓦的额定功率线圈电压允许多种选择，以减少能源消耗。
Variety of coil voltage options with 12 Watts power rating allows to reduce energy consumption.
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