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TMS320F280049C: 图腾柱PFC 环路控制

Part Number: TMS320F280049C
Other Parts Discussed in Thread: TIDM-02008

1.TIDM-02008,图腾柱PFC,电流环环路控制,duty由3部分组成,哪部分比重大,理论?

2.电压环输出,限定到0.7,原因是什么?