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          Ʒ
          > IGBT >

          IGBTż

          żѹ
          żѹ±20VΧʩӳ˷Χĵѹʱż-伫ĤSiO2пܷԵƻ¿ɿ½
          żѹ
          ͨ-żѹ
          ͨ-żѹ׼Ϊ+15V12V10Vĵżѹɼ缫6VʱIGBTϲͨʱ缫-伫ʩӵԴѹʩĵżѹʱпڹĵԪ
          ͨ-żѹ
          ضʱżƫõѹVGE
          ΪɵضʱIGBTżʩ(-5V)-(-15V)ķƫõѹ
          ضʱżƫõѹVGE
          ͨżѹضʱżƫõѹ뿪ٶ-ŵĹϵ
          ߿ͨżѹ+VGEͨٶȻͨĻ½෴ͨʱŻͬ߹ضżѹ-VGEضٶȻضĻ½෴ضʱ
          ӿѹŻ+VGE-VGEһRGӰ쿪ٶȵҪ
          ͨżѹضʱżƫõѹ
          ż迹RGͿԣ
          ż迹RGͿ
          żݣ
          ݣCies = Cge + Cgc
          Reverse Transfer ݣCres = Cgc
          ݣCoes = Cce + Cgc
          ż
          伫żƫõѹż-伫֮迹RGE
          ڸdv/dtλƵżλ
          伫żƫõѹż-伫֮迹RGE
          żƫõѹ·ԽͳIGBTģЧ
          żƫõѹ·ԽͳIGBTģЧ
          żߣ
          Ϊ˱кע
          żԶ·ʹƽ
          ʱ
          Ҫżһ
          ׷ӹģȦŻҲɴﵽһЧ
          ż
          ż-ʣ
          ż-
          żPGżiGPļ㷶
          +VGE=15V-VGE=15Vf=10kHzPG=+VGE--VGE)×Qg×f30×690×10-9×1040.207 (W)
          500nsʱͨ ;
          iGP = Qg / ton690×10-9 / 500×10-91.4 (A)

            ֤: ҸͼƬ
               Ϻ˵ӿƼ޹˾
               ϵˣС
               ߣ021-58979561
               ҵѯqq447495955
               ҵѯqq1852433657
               ҵѯqq513845646
               ֧qq313548578
               Ⱥ376450741
               ҵѯ:  ҷϢ
               ҵѯ:  ҷϢ
               ҵѯ:  ҷϢ
               ֧:  ҷϢ
               ý:  ҷϢ

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