求助:什么是密勒效應(yīng)??哪位大哥能給解釋一下
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先看下資料先
MOSFET Switching Characteristics
Total Gate Charge…………..…...Qg (t0 – t4)
Gate-Source Charge…………..…Qgs (t0 –t2)
Gate-Drain (“Miller”) Charge….. Qgd (t2—t3)
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MOSFET Switching Characteristics
Total Gate Charge…………..…...Qg (t0 – t4)
Gate-Source Charge…………..…Qgs (t0 –t2)
Gate-Drain (“Miller”) Charge….. Qgd (t2—t3)
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/42/1149565242.gif');}" onmousewheel="return imgzoom(this);"> 0
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@meetmeet
先看下資料先MOSFETSwitchingCharacteristicsTotalGateCharge…………..…...Qg (t0–t4)Gate-SourceCharge…………..…Qgs (t0–t2)Gate-Drain(“Miller”)Charge…..Qgd(t2—t3)[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/42/1149565242.gif');}"onmousewheel="returnimgzoom(this);">
從圖上看,t2--t3的過程中,會有miller 充電的過程,然后在到達(dá)Vgs電壓,但不曉得其真正的涵義,望DX們指點,miller效應(yīng)的真正涵義
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