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IRG4PC40FD 数据表(PDF) 8 Page - International Rectifier |
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IRG4PC40FD 数据表(HTML) 8 Page - International Rectifier |
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8 / 10 page ![]() IRG4PC40FD 8 www.irf.com t1 Ic Vc e t1 t2 90% Ic 10% V c e td (o ff) tf Ic 5% Ic t1 + 5 µ S V c e ic dt 90% V g e +V g e ∫ Eo f f = Fig. 18b - Test Waveforms for Circuit of Fig. 18a, Defining Eoff, td(off), tf ∫Vce ie dt t2 t1 5% V c e Ic Ip k Vc c 10% Ic Vc e t1 t2 D U T VO L T AG E A N D CU RRE NT G A T E VO L T A G E D .U .T . +V g 10% +V g 90% Ic tr td (on) D IO D E R EVE R S E R E C O VER Y EN ER G Y tx E on = ∫ Ere c = t4 t3 Vd id d t t4 t3 DIO D E RE CO V E RY W AVEF O R M S Ic Vp k 10% V c c Irr 10% Irr Vcc trr ∫ Qrr = trr tx id d t Same ty p e device as D.U.T . D.U.T . 430µF 80% of Vce Fig. 18a - Test Circuit for Measurement of ILM, Eon, Eoff(diode), trr, Qrr, Irr, td(on), tr, td(off), tf Fig. 18c - Test Waveforms for Circuit of Fig. 18a, Defining Eon, td(on), tr Fig. 18d - Test Waveforms for Circuit of Fig. 18a, Defining Erec, trr, Qrr, Irr |
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