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AN825 PFC应用创意使用电源变压器

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AN825 PFC应用创意使用电源变压器

AN825

APPLICATION NOTE

P.F.C. APPLICATION IDEAS USING MAINS TRANSFORMER

The typical PFC boost scheme is mainly suggested for off-line applications, with the galvanic insula-
tion located in the downstream converter side.
There are some industrial and consumer applications in which the galvanic insulation is provided by
the mains transformer( 50/60 Hz frequency).
The mains transformer guarantees a very safe insulation reducing the ac voltage at the secondary
winding to a profitable value for easy use.
The purpose of this note is to quantify the effect of a PFC preregulator stage, connected to a typical
DC-DC converte
标签:stm32工业电子
AN825 PFC应用创意使用电源变压器
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