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分析了单位功率因数ACDC变换器的基本原理,剖析了一种专用功率因数控制IC芯片,设计了一种500W单位功率因数ACDC变换器,并进行了实际测试。
The basic principle of unit power factor AC-DC converter is analyzed. A dedicated power factor control IC chip is analyzed. A 500W unit power factor AC-DC converter is designed and tested.