輸入(ru)330V時(shi)閉環(huan),同(tong)時(shi)進入(ru)間(jian)歇模式(shi)(shi)。當輸入(ru)400v時(shi)芯片(pian)退出(chu)間(jian)歇模式(shi)(shi),并(bing)且(qie)開環(huan)頻率工(gong)作,幾(ji)秒(miao)鐘后,半橋mos管(guan)損壞,L6599損壞。有大(da)佬知道是為什么嗎,間(jian)歇模式(shi)(shi)不是該一直保持嗎
輸入(ru)330V時(shi)閉環(huan),同(tong)時(shi)進入(ru)間(jian)歇模式(shi)(shi)。當輸入(ru)400v時(shi)芯片(pian)退出(chu)間(jian)歇模式(shi)(shi),并(bing)且(qie)開環(huan)頻率工(gong)作,幾(ji)秒(miao)鐘后,半橋mos管(guan)損壞,L6599損壞。有大(da)佬知道是為什么嗎,間(jian)歇模式(shi)(shi)不是該一直保持嗎