用途：用于一般静音开关，液晶显示器的背景照明，线性开关电源。
Purpose: General purpose switching and muting, LCD back-lighting, supply line switching circuits.
开关电源产生的噪声比常规线性电源产生的噪声大得多。
The noise in the switching power supply is much larger than the noise in the conventional linear power supply.
目前，开关电源的用处较之线性电源越来越普遍，这主要是由于体积和效率在电源设计的重要性日益进步。
Currently, the use of switching power supply than the linear power more widely, mainly because of the volume and efficiency in the growing importance of power supply design.
为了进一步缩小体积，需要用开关电源取代线性电源对数字仪表供电。
In order to be smaller, it is necessary to replace the linear power supply with switching power supply in the digital meter.
用途：用于线性调整器，可调节电源和开关电源。
Purpose: Linear regulators, adjustable power supply, switching power supply.
相对于线性电源，开关电源具有体积小、效率高等优点，使其在通讯、计算机等领域得到广泛应用。
The switch power is widely applied in the field of communication, computer, and so on because of its remarkable advantages of compact size and high efficiency compared with conventional power.
相对于线性电源，开关电源具有体积小、效率高等优点，使其在通讯、计算机等领域得到广泛应用。
The switch power is widely applied in the field of communication, computer, and so on because of its remarkable advantages of compact size and high efficiency compared with conventional power.
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