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TPS92513HV Ton(min)問題

Other Parts Discussed in Thread: TPS92513HV

用TPS92513HV的Iadj Pin來做調光功能,調到最低輸出電流時有25%的IC會有輸出電流突然變大的問題

因為降低工作頻率有稍微改善(已經降到100KHz了還是會有這個現象,只是會略好)

所以判斷應該是碰到Ton(min)的限制了

可是碰到Ton(min)的限制應該只是限制輸出電流不能再低,不應該會有彈高的現象吧?

請問是不是我有甚麼參數設定有問題了?