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      ղ    Ϊҳ
      Ʒ
      > IGBT >

      IGBTż

      żѹ
      żѹ±20VΧʩӳ˷ΧĵѹʱӢֱ-ֱ-funֱż-伫ĤSiO2пܷԵƻ¿ɿ½Ӣֱ-ֱ-funֱ
      żѹ
      ͨ-żѹ
      ͨ-żѹ׼Ϊ+15V12VӢֱ-ֱ-funֱ10Vĵżѹɼ缫6VʱIGBTϲͨʱ缫-伫ʩӵԴѹʩĵżѹʱӢֱ-ֱ-funֱпڹĵԪ
      ͨ-żѹ
      ضʱżƫõѹVGE
      ΪɵӢֱ-ֱ-funֱضʱIGBTżʩ(-5V)-(-15V)ķƫõѹ
      ضʱżƫõѹVGE
      ͨżѹӢֱ-ֱ-funֱضʱżƫõѹ뿪ٶ-ŵĹϵ
      ߿ͨżѹ+VGEͨٶȻӢֱ-ֱ-funֱͨĻ½෴ͨʱŻͬ߹ضżѹ-VGEضٶȻضĻ½Ӣֱ-ֱ-funֱ෴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·ʹƽӢֱ-ֱ-funֱ
      ʱ
      Ҫżһ
      ׷ӹģȦŻҲɴﵽһЧ
      ż
      ż-ʣ
      ż-
      żPGӢֱ-ֱ-funֱżiGPļ㷶
      +VGE=15VӢֱ-ֱ-funֱ-VGE=15VӢֱ-ֱ-funֱf=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

        Ӣֱ-ֱ-funֱ

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