分析了有源功率因数校正电路的工作原理，详细介绍了关键电路参数设计方法，并给出了设计实例。
The operation principle of APFC circuit is analysed, the design method of the key circuit parameter is particularly introduced, and a design example is also given.
本文讨论了功率因数校正的方法，分析了电感电流工作于临界模式的升压式有源功率因数校正电路的原理。
In this paper, the methods of power factor correction are discussed, and the principal of boost active power factor correction circuit operated in critical inductor current mode is analyzed in detail.
文中详细分析了电感电流准连续模式的有源功率因数预校正电路的工作原理。
The principle of active power factor correction circuit operated in critical inductor current mode is analyzed in this paper in detail.
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