你好:
如下是我抓取的上电波形 UCC28950 没有采用同步整流 OUTE OUTF 悬空 DCM 接地 采用倍流整流 驱动管开关频率发生变化?这是什么原因呢
波形说明
1: OUTC
2: OUTD
3: MOS管 Q4 DS
4: D35倍流整流二极管反向电压
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你好:
如下是我抓取的上电波形 UCC28950 没有采用同步整流 OUTE OUTF 悬空 DCM 接地 采用倍流整流 驱动管开关频率发生变化?这是什么原因呢
波形说明
1: OUTC
2: OUTD
3: MOS管 Q4 DS
4: D35倍流整流二极管反向电压