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UCC24624 VG1 VG2 波形疑問

Other Parts Discussed in Thread: UCC24624

輸出電氣規格:14V_12A     量測波形為:14V 3.5A    黃色:UCC24624 VG1  紫色:UCC24624 VG2 青色:LLC上臂 GATE波形

問題描述:

(1)輸出3.5A到0.1A UCC24624 VG2 GATE波形輸出,約5V以上的波形為何呈現細長波形,此波形是否為正常現象

(2)VG2的波形應為跟隨LLC 上臂波形動作,則在3.5A後則會有loss duty(細長的一根)的現象,此現象是否為正常,如果為異常該如何改善

謝謝!