{"id":347,"date":"2025-11-03T20:55:38","date_gmt":"2025-11-03T12:55:38","guid":{"rendered":"http:\/\/www.pnjie.top\/?p=347"},"modified":"2025-11-03T20:55:38","modified_gmt":"2025-11-03T12:55:38","slug":"sic-mosfet%e7%b1%b3%e5%8b%92%e5%b9%b3%e5%8f%b0-%e7%b1%b3%e5%8b%92%e6%95%88%e5%ba%94%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.pnjie.top\/?p=347","title":{"rendered":"SiC MOSFET\u7c73\u52d2\u5e73\u53f0\/\u7c73\u52d2\u6548\u5e94\u8be6\u89e3"},"content":{"rendered":"<h1>SiC MOSFET\u7c73\u52d2\u5e73\u53f0\/\u7c73\u52d2\u6548\u5e94\u8be6\u89e3<\/h1>\n<p><code>Author: PNJIE<\/code> <code>Date: 2025\/11\/03<\/code><\/p>\n<p><code>\u7801\u5b57\u4e0d\u6613\uff0c\u8f6c\u8f7d\u8bf7\u6807\u660e\u51fa\u5904<\/code><\/p>\n<p>\u521a\u63a5\u89e6\u529f\u7387\u5668\u4ef6\u65f6\u5bf9\u7c73\u52d2\u5e73\u53f0\u7684\u7406\u89e3\u8d70\u4e86\u8bb8\u591a\u5f2f\u8def\uff0c\u5728\u6b64\u6587\u8be6\u7ec6\u5206\u6790\u8bb0\u5f55\u7c73\u52d2\u5e73\u53f0\u7684\u4e00\u4e9b\u4e2a\u4eba\u7684\u7406\u89e3\u548c\u5206\u6790<\/p>\n<h2>\u4ec0\u4e48\u662f\u7c73\u52d2\u5e73\u53f0<\/h2>\n<p>\u5bf9\u4e8esic mosfet\u5668\u4ef6\u6765\u8bf4\uff0c\u7c73\u52d2\u5e73\u53f0\u662f\u6307\u5668\u4ef6\u5728\u4e00\u5b9a\u5de5\u51b5\u4e0b\u5f00\u5173\u65f6\uff0c\u6805\u6781\u7535\u538b\u5728\u5f00\u901a\/\u5173\u65ad\u671f\u95f4\u5b58\u5728\u7684\uff1a\u6805\u6781\u7535\u538b\u4fdd\u6301\u4e00\u5b9a\u503c\u4e0d\u53d8\u7684\u73b0\u8c61\uff0c\u7531\u4e8e\u6ce2\u5f62\u770b\u8d77\u6765\u50cf\u662f\u4e00\u4e2a\u5e73\u53f0\uff0c\u6545\u79f0\u4e3a\u7c73\u52d2\u5e73\u53f0\u3002<\/p>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103150532089.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103150532089.png\" alt=\"image-20251103150532089\" style=\"zoom:50%;\" \/><\/div><\/p>\n<p>\u5b9e\u6d4b\u4e2d\u7c73\u52d2\u5e73\u53f0\u5982\u56fe\u6240\u793a<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u53eb\u7c73\u52d2<\/h2>\n<p>\u5728\u5b66\u4e60\u8fc7\u7a0b\u4e2d\u5e38\u5e38\u601d\u8003\u8fd9\u4e2a\u95ee\u9898\uff0c\u7ecf\u8fc7\u5404\u79cd\u7f51\u7edc\u641c\u7d22\uff0c\u627e\u5230\u5982\u4e0b\u7ed3\u679c\uff1a<\/p>\n<p>https:\/\/www.mit.edu\/~klund\/papers\/jmiller.pdf<\/p>\n<p>\u94fe\u63a5\u4e2d\u8be6\u7ec6\u89e3\u91ca\u4e86Miller Effect\u7684\u7531\u6765\uff0c\u611f\u5174\u8da3\u53ef\u4ee5\u590d\u5236\u94fe\u63a5\u6df1\u5165\u5b66\u4e60\uff0c\u8fd9\u91cc\u603b\u7ed3\u5982\u4e0b\uff1a<\/p>\n<p>John M. Miller\u5728\u51761920\u5e74\u7684\u8457\u4f5c\u300aDependence of the input impedance of a three-electrode vacuum tube upon the load in the plate circuit\u300b\u63cf\u8ff0\u4e86\u4e00\u79cd\u73b0\u8c61\uff1a<strong>\u653e\u5927\u5668\u7684\u7b49\u6548\u8f93\u5165\u963b\u6297\u4f1a\u56e0\u4e3a\u653e\u5927\u5668\u53ca\u5176\u8f93\u5165\u8f93\u51fa\u4e32\u8054\u7684\u5b9e\u9645\u963b\u6297\u500d\u51cf<\/strong>\uff0c\u5982\u679c\u8fd9\u4e2a\u5b9e\u9645\u963b\u6297\u662f\u5bb9\u6027\u7684\uff0c\u5219\u8868\u73b0\u4e3a\u7b49\u6548\u8f93\u5165\u7535\u5bb9\u500d\u589e\uff0c\u8fd9\u4e00\u73b0\u8c61\u88ab\u79f0\u4e3a\u7c73\u52d2\u6548\u5e94\u3002<\/p>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103162221468.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103162221468.png\" alt=\"image-20251103162221468\" style=\"zoom: 50%;\" \/><\/div><\/p>\n<h2>\u5982\u4f55\u7406\u89e3MOSFET\u91cc\u7684\u7c73\u52d2\u5e73\u53f0<\/h2>\n<p>\u7b14\u8005\u8ba4\u4e3a\u53ef\u4ee5\u4ece\u4e24\u79cd\u601d\u8003\u89d2\u5ea6\u7406\u89e3\u7c73\u52d2\u5e73\u53f0\uff1a<\/p>\n<ul>\n<li>\u4e00\u662f\u901a\u8fc7\u7c73\u52d2\u6548\u5e94\u672c\u8eab\u7684\u539f\u7406\u51fa\u53d1\uff0c\u4e5f\u5c31\u662f\u653e\u5927\u5668\u7684\u7b49\u6548\u8f93\u5165\u7535\u5bb9\u4f1a\u500d\u589e\uff0c\u56e0\u6b64\u4ece\u8f93\u5165\u770b\u8fdb\u53bb\u7684\u7c73\u52d2\u7535\u5bb9\u4f1a\u975e\u5e38\u5927\uff0c\u5bfc\u81f4\u7535\u6d41\u4e00\u76f4\u7ed9\u7c73\u52d2\u7535\u5bb9\u5145\u7535\uff0c\u5f62\u6210\u5e73\u53f0<\/li>\n<li>\u4e8c\u662f\u901a\u8fc7\u7535\u8def\u5206\u6790\uff0c\u5206\u6790\u5f00\u5173\u8fc7\u7a0b\u4e2d\u7684\u7535\u538b\u7535\u6d41\u53d8\u5316\u5206\u6790\u5e73\u53f0\u4ea7\u751f\u7684\u5b9e\u8d28<\/li>\n<\/ul>\n<p>\u800c\u5728\u8fd9\u4e4b\u524d\uff0c\u6709\u4e00\u4e2a\u5173\u952e\u95ee\u9898\u9700\u8981\u89e3\u91ca\u6e05\u695a\uff1a<strong>\u4e3a\u4ec0\u4e48\u5728SiC MOSFET\u5f00\u901a\u65f6\uff0c\u662f\u8d1f\u8f7d\u7535\u6d41\u5148\u4e0a\u5347\uff0c\u8d1f\u8f7d\u7535\u538b\u518d\u4e0b\u964d\uff0c\u5728\u5173\u65ad\u65f6\uff0c\u8d1f\u8f7d\u7535\u538b\u5148\u4e0a\u5347\uff0c\u8d1f\u8f7d\u7535\u6d41\u518d\u4e0b\u964d\uff1f<\/strong><\/p>\n<h3>\u7406\u89e3\u5f00\u5173\u8fc7\u7a0b<\/h3>\n<p>\u6700\u5e38\u7528\u7684\u53cc\u8109\u51b2\u6d4b\u8bd5\u7535\u8def\u4e00\u822c\u91c7\u7528\u534a\u6865\u7535\u8def\u6216\u8005BOOST\u62d3\u6251\u7535\u8def\uff1a<\/p>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103165307602.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103165307602.png\" alt=\"image-20251103165307602\" style=\"zoom: 33%;\" \/><\/div><\/p>\n<p>\u5373\u4e3b\u52a8\u7ba1\u4e3a\u5f85\u6d4b\u5668\u4ef6\uff0c\u88ab\u52a8\u7ba1\u4e3aMOS\u6216\u8005\u4e8c\u6781\u7ba1\uff0c\u53cc\u8109\u51b2\u7684\u57fa\u672c\u539f\u7406\u518d\u6b21\u4e0d\u518d\u8d58\u8ff0\uff0c\u7406\u60f3\u60c5\u51b5\u4e0b\u7684\u5f00\u5173\u6ce2\u5f62\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103165601799.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103165601799.png\" alt=\"image-20251103165601799\" style=\"zoom:50%;\" \/><\/div><\/p>\n<ul>\n<li>\u5f00\u901a\u8fc7\u7a0b\uff1a\u8d1f\u8f7d\u7535\u6d41\u5728\u6700\u521d\u901a\u8fc7\u7535\u611f\u548c\u88ab\u52a8\u6d4b\u4f53\u4e8c\u6781\u7ba1\/\u7eed\u6d41\u4e8c\u6781\u7ba1\u7eed\u6d41\uff0c\u4e3b\u52a8\u7ba1\u7535\u6d41\u4e3a0\uff0c\u7535\u538b\u4e3aVds\uff0c\u6805\u6781\u7535\u538b\u8d85\u8fc7\u9608\u503c\u7535\u538b\u540e\u7535\u6d41\u5f00\u59cb\u6362\u6d41\u5230\u4e3b\u52a8\u7ba1\uff0c\u4e3b\u52a8\u7ba1\u7535\u6d41\u4e0a\u5347\uff0c\u5f53\u4e3b\u52a8\u7ba1\u7535\u6d41\u4e0a\u5347\u81f3\u989d\u5b9a\u7535\u6d41Ids\u540e\uff0c\u8d1f\u8f7d\u7535\u538b\u624d\u5f00\u59cb\u4e0b\u964d<\/li>\n<li>\u5173\u65ad\u8fc7\u7a0b\uff1a\u7c7b\u4f3c\u5f00\u901a\u8fc7\u7a0b\uff0c\u4e3b\u52a8\u7ba1\u7535\u538b\u4ece0\u4e0a\u5347\uff0c\u4e0a\u5347\u81f3Vds\u4ee5\u540e\uff0c\u8d1f\u8f7d\u7535\u6d41\u624d\u5f00\u59cb\u4e0b\u964d<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u4e0a\u8ff0\u73b0\u8c61\u7684\u672c\u8d28\u89e3\u91ca\uff1a<\/p>\n<ul>\n<li><strong>\u5f00\u901a\uff1a\u88ab\u52a8\u4fa7\u4e8c\u6781\u7ba1\u7535\u6d41\u5b8c\u5168\u6362\u6d41\u81f3\u4e3b\u52a8\u4fa7\u4e4b\u524d\uff08\u4e0b\u964d\u52300\u4e4b\u524d\uff09\uff0c\u4e8c\u6781\u7ba1\u4e24\u7aef\u7684\u7535\u538b\u4e0d\u53ef\u80fd\u4e0a\u5347\uff0c\u4f53\u4e8c\u6781\u7ba1\/\u7eed\u6d41\u4e8c\u6781\u7ba1\u94b3\u4f4d\u8d1f\u8f7d\u7535\u538bVds\uff0c\u6240\u4ee5\u7535\u6d41\u5b8c\u5168\u6362\u6d41\u4e4b\u540e\uff0c\u88ab\u52a8\u4fa7Vds\u624d\u53ef\u4ee5\u4e0a\u5347\uff0c\u4e3b\u52a8Vds\u624d\u53ef\u4ee5\u4e0b\u964d\uff0c\u6240\u4ee5\u4e3b\u52a8\u4fa7\u7535\u6d41\u5148\u5347\uff0c\u7535\u538b\u540e\u964d\u3002<\/strong><\/li>\n<li><strong>\u5173\u65ad\uff1a\u88ab\u52a8\u4fa7\u4e8c\u6781\u7ba1\u4e24\u7aef\u7535\u538b\u5b8c\u5168\u964d\u4e3a0\u4e4b\u524d\uff0c\u4e8c\u6781\u7ba1\u4e0d\u53ef\u80fd\u4f1a\u6709\u7535\u6d41\u6d41\u8fc7\uff0c\u56e0\u6b64\u9700\u8981\u5728\u88ab\u52a8\u4fa7Vds\u964d\u4e3a0\uff0c\u5373\u4e3b\u52a8\u6d4bVds\u5347\u81f3\u8d1f\u8f7d\u7535\u538b\u540e\uff0c\u7535\u6d41\u624d\u80fd\u5f00\u59cb\u53d8\u5316\uff0c\u6240\u4ee5\u4e3b\u52a8\u4fa7\u7535\u538b\u5148\u5347\uff0c\u7535\u6d41\u540e\u964d\u3002<\/strong><\/li>\n<\/ul>\n<p>Baliga\u5728\u4e66\u4e2d\u7684\u89e3\u91ca\u4e5f\u540c\u4e0a\uff1a<\/p>\n<p><code>Although the drain current increases during the second phase, the drain voltageremains at the drain supply voltage (Vds) because the diode cannot sustain anyvoltage until all of the load current is transferred to the power MOSFET device<\/code><\/p>\n<p>(Baliga\u300aFundamental of power devices\u300bP443)<\/p>\n<p>\u7406\u89e3\u4e86\u4e0a\u8ff0\u8fc7\u7a0b\u540e\u53ef\u4ee5\u6765\u5206\u6790\u7c73\u52d2\u5e73\u53f0\u4e86<\/p>\n<h3>\u901a\u8fc7\u7c73\u52d2\u6548\u5e94\u7406\u89e3\u7c73\u52d2\u5e73\u53f0<\/h3>\n<p>\u5bf9\u4e8e\u5bc6\u52d2\u6548\u5e94\u8f93\u5165\u963b\u6297\u7684\u500d\u51cf\u7684\u539f\u7406\u5206\u6790\u5728\u8fd9\u4e2a\u8d34\u5b50\u4e2d\u5206\u6790\u7684\u5341\u5206\u6e05\u6670\uff1a<\/p>\n<p>https:\/\/zhuanlan.zhihu.com\/p\/438736226<\/p>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103192719927.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103192719927.png\" alt=\"image-20251103192719927\" style=\"zoom:50%;\" \/><\/div><\/p>\n<p>\u8fd9\u91cc\u5bf9\u5176\u4e2d\u5173\u952e\u90e8\u5206\u8fdb\u884c\u603b\u7ed3\uff1a\u7c73\u52d2\u5e73\u53f0\u671f\u95f4\u7684MOSFET\u5c31\u76f8\u5f53\u4e8e\u4e00\u4e2a\u5e26\u7535\u6d41\u8d1f\u8f7d\u7684\u5171\u6e90\u653e\u5927\u5668\uff0c\u4e3a\u4ec0\u4e48\u53ef\u4ee5\u5982\u6b64\u7b49\u6548\uff1f\u5982\u4e0a\u6587\u5206\u6790\uff0c\u5f00\u901a\u9636\u6bb5\u7535\u6d41\u4e0a\u5347\u81f3Id\u8d1f\u8f7d\u7535\u538b\u624d\u5f00\u59cb\u4e0b\u964d\uff0c\u6b64\u65f6MOSFET\u5de5\u4f5c\u5728\u9971\u548c\u533a\uff0c\u7b49\u6548\u4e3a\u653e\u5927\u500d\u6570\u4e3agfs(\u8de8\u5bfc)\u7684\u653e\u5927\u5668\uff1b\u5173\u65ad\u9636\u6bb5\u7535\u6d41\u4e00\u76f4\u7ef4\u6301\u5728Id\uff0c\u8d1f\u8f7d\u7535\u538b\u4e0a\u5347\u7ed3\u675f\u540eVds\u624d\u5f00\u59cb\u4e0a\u5347\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u7b49\u6548\uff0c\u4e8e\u662f\u4e4e\u7531\u4e8e\u7c73\u52d2\u6548\u5e94\uff0c\u7b49\u6548\u7c73\u52d2\u7535\u5bb9Cgd\u88ab\u653e\u5927\u51e0\u767e\u500d\uff0c\u6240\u6709\u6805\u6781\u7535\u6d41\u90fd\u7528\u6765\u7ed9Cgd\u5145\u7535\uff0c\u56e0\u6b64\u6805\u6781\u7535\u538b\u51fa\u73b0\u5e73\u53f0\uff0c\u4e0d\u8fc7\u8bfb\u5230\u8fd9\u91cc\uff0c\u60f3\u5fc5\u4f1a\u4ea7\u751f\u4e00\u4e2a\u95ee\u9898\uff0c\u4e3a\u4ec0\u4e48\u8d1f\u8f7d\u7535\u538b\u53d8\u5316\u53d1\u751f\u5728\u7c73\u52d2\u9636\u6bb5\uff0c\u5982\u679c\u4ece\u7c73\u52d2\u6548\u5e94\uff0c\u6211\u8ba4\u4e3a\u53ef\u4ee5\u5982\u4e0b\u89e3\u91ca\uff1a<\/p>\n<ul>\n<li><strong>\u5f00\u901a\uff1a\u7c73\u52d2\u7535\u5bb9\u4e24\u7aef\u5206\u522b\u662fG\u548cD\uff0c\u5f00\u901a\u65f6D\u4eceVds\u964d\u5230Vgs\u964d\u52300\uff0cVds\u4e0b\u964d\u5230Vgs\u524d\uff0c\u5668\u4ef6\u5904\u4e8e\u9971\u548c\u533a\uff0c\u4ecd\u53ef\u4ee5\u7b49\u6548\u4e3a\u653e\u5927\u5668\uff0c\u7c73\u52d2\u6548\u5e94\u5b58\u5728\uff0c\u6b64\u65f6D\u548cG\u5b58\u5728\u538b\u5dee\uff0c\u56e0\u6b64\u5b58\u5728\u8f93\u5165\u7535\u6d41\uff1b\u5f53Vds\u4e0b\u964d\u5230\u5c0f\u4e8eVgs\u4ee5\u53ca0\uff0c\u5668\u4ef6\u8fdb\u5165\u53ef\u53d8\u7535\u963b\u533a\uff0c\u4e0d\u53ef\u7b49\u6548\u4e3a\u653e\u5927\u5668\uff0c\u7c73\u52d2\u6548\u5e94\u6d88\u5931\uff0c\u7c73\u52d2\u7ed3\u675f<\/strong><\/li>\n<li><strong>\u5173\u65ad\uff1a\u7c7b\u4f3c\u5f00\u901a\uff0c\u53cd\u8fc7\u6765\u5206\u6790\u5373\u53ef\uff0c\u5373\u7c73\u52d2\u6548\u5e94\u5728Id\u4e0b\u964d\u65f6\u6d88\u5931\u3002<\/strong><\/li>\n<\/ul>\n<h3>\u901a\u8fc7\u7535\u8def\u5206\u6790\u7406\u89e3\u7c73\u52d2\u5e73\u53f0<\/h3>\n<p>\u901a\u8fc7\u7c73\u52d2\u6548\u5e94\u5206\u6790\u7684\u65b9\u6cd5\u603b\u89c9\u5f97\u592a\u62bd\u8c61\uff0c\u597d\u597d\u7684\u7535\u5bb9\u600e\u4e48\u7a81\u7136\u5c31\u53d8\u5927\u51e0\u767e\u500d\u4e86\uff0c\u5f53\u7136\u5bf9\u521d\u5b66\u8005\u8fd9\u4e2a\u653e\u5927\u5f88\u5bb9\u6613\u548c\u53e6\u4e00\u4e2a\u77e5\u8bc6\u70b9\u6df7\u6dc6\uff1a<strong>\u7c73\u52d2\u7535\u5bb9Cgd\u968f\u7740Vds\u7684\u53d8\u5927\u4f1a\u53d8\u5c0f<\/strong>\uff0c\u8fd9\u4e2a\u77e5\u8bc6\u70b9\u548c\u7c73\u52d2\u6548\u5e94\u53ea\u80fd\u8bf4\u662f\uff0c<strong>\u5b8c\u5168\u6ca1\u6709\u5173\u7cfb<\/strong>\uff0c\u4ece\u7535\u8def\u89d2\u5ea6\u5206\u6790\u7c73\u52d2\u5e73\u53f0\u66f4\u76f4\u89c2\u66f4\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103191631052.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103191631052.png\" alt=\"image-20251103191631052\" style=\"zoom:50%;\" \/><\/div><\/p>\n<p>\u9a71\u52a8\u56de\u8def\u7684\u7b49\u6548\u7535\u8def\u5982\u56fe\u6240\u793a\uff0c\u4ee5\u5f00\u901a\u9636\u6bb5\u4e3a\u4f8b\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n<ul>\n<li>\u6805\u6781\u7535\u538b\u4e0a\u5347\u5230\u7c73\u52d2\u5e73\u53f0\u4e4b\u524d(0-t2)\uff1a\u5668\u4ef6\u4ece\u5173\u65ad\u5230\u8d85\u8fc7Vth\u5230\u5f00\u901a\uff0c\u6805\u6781\u7535\u6d41\u901a\u8fc7\u6805\u6781\u56de\u8def\u7ed9Cgs\u5145\u7535\uff0c\u6b64\u65f6Cgd\u4e0d\u6784\u6210\u56de\u8def\uff0c\u672a\u7ed9Cgd\u5145\u7535\uff0c\u5f00\u901a\u540e\u7535\u6d41\u4e0a\u5347\uff0c\u4e0a\u5347\u81f3Id<\/li>\n<li>\u7c73\u52d2\u5e73\u53f0\uff08t2 -t3\uff09\uff1a\u7535\u6d41\u4e0a\u5347\u81f3Id\u540e\uff0c\u7535\u538b\u5f00\u59cb\u4e0b\u964d\uff08\u524d\u6587\u5df2\u9610\u8ff0\u7535\u538b\u7535\u6d41\u4e0d\u540c\u6b65\u7684\u539f\u56e0\uff0c\u9700\u7406\u89e3\uff09\uff0c\u7535\u538b\u5f00\u59cb\u4e0b\u964d\uff0c\u5373D\u70b9\u7684\u7535\u538b\u5f00\u59cb\u4ece\u8d1f\u8f7d\u7535\u538bVds\u4e0b\u964d\u52300\uff0c\u8d1f\u8f7d\u7535\u538bVds\u7684\u53d8\u5316\u672c\u8d28\u4e0a\u662fCds\u88ab\u653e\u7535\u7684\u8fc7\u7a0b\u3002\u56e0\u6b64D\u70b9\u4ea7\u751f\u4e00\u4e2a\u5f88\u5927\u7684\u7535\u538b\u53d8\u5316\u7387dvdt\uff0c\u5bf9\u4e8esic mosfet\u6765\u8bf4\u901a\u5e38\u6709\u5341\u51e0\u5230\u51e0\u5341V\/ns\uff0c\u7535\u538b\u53d8\u5316\u4ea7\u751f\u5728Cgd\u548cCds\u4e0a\u4ea7\u751f\u4f4d\u79fb\u7535\u6d41\uff0c\u5047\u8bbeCgd\u548cCds\u4e3anF\u7ea7\uff0c\u5219\u4ea7\u751f\u7684\u4f4d\u79fb\u7535\u6d41\u5c31\u9700\u8981\u5341\u51e0A\u5230\u51e0\u5341A\u3002\u4ece\u80fd\u91cf\u5b88\u6052\u7684\u89d2\u5ea6\u5206\u6790\uff0c\u8fd9\u4e2a\u7535\u6d41\u4ece\u54ea\u513f\u6765\u5462\uff0c\u5bf9\u4e8eCgd\u6765\u8bf4\uff0c\u4f4d\u79fb\u7535\u6d41\u7684\u80fd\u91cf\u6765\u6e90\u662f\u9a71\u52a8\uff0c\u6805\u6781\u7535\u6d41\uff0c\u800c\u6805\u6781\u7535\u6d41\u7684\u9a71\u52a8\u80fd\u529b\u5f80\u5f80\u4e0d\u8db3\u591f\u652f\u6491\u51e0\u5341A\u7684\u4f4d\u79fb\u7535\u6d41\uff0c\u56e0\u6b64\u6b64\u65f6\u6805\u6781\u7535\u6d41\u51e0\u4e4e\u5168\u90e8\u88abCgd\u62bd\u8d70\uff0c\u6ca1\u6709\u591a\u4f59\u7684\u7535\u8377\u652f\u6491G\u70b9\u7535\u538b\u7ee7\u7eed\u4e0a\u5347\uff0c\u56e0\u6b64Vgs\u7ef4\u6301\u5728\u5e73\u53f0\u7535\u538b\u4e0d\u53d8\uff0c\u4ea7\u751f\u7c73\u52d2\u5e73\u53f0\u3002<\/li>\n<li>\u7c73\u52d2\u5e73\u53f0\u7ed3\u675f(t3\u5f80\u540e)\uff0c\u8d1f\u8f7d\u4fa7\u7535\u538b\u7535\u6d41\u53d8\u5316\u7ed3\u675f\uff0c\u6805\u6781\u7535\u538b\u4ece\u7c73\u52d2\u5e73\u53f0\u7535\u538b\u4e0a\u5347\u81f3Vg<\/li>\n<\/ul>\n<p>\u4e00\u4e9b\u516c\u5f0f\uff08\u6458\u81eaBaliga\u4e666.1.6\uff09\uff1a<\/p>\n<p>\u7c73\u52d2\u5e73\u53f0\u7535\u538b\uff1a<\/p>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103192319940.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103192319940.png\" style=\"zoom: 25%;\" \/><\/div><\/p>\n<p>\u7535\u538b\u53d8\u5316\u7387\uff1a<\/p>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103192440726.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103192440726.png\" alt=\"image-20251103192440726\" style=\"zoom:25%;\" \/><\/div><\/p>\n<p>\u7c73\u52d2\u5e73\u53f0\u65f6\u95f4\uff1a<\/p>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103192514031.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103192514031.png\" alt=\"image-20251103192514031\" style=\"zoom: 33%;\" \/><\/div><\/p>\n<p>\u5173\u65ad\u9636\u6bb5\u4e0e\u5f00\u901a\u7c7b\u4f3c\uff0c\u5728\u6b64\u4fbf\u4e0d\u8d58\u8ff0\uff0c\u53ef\u81ea\u884c\u5206\u6790\u3002<\/p>\n<p><strong>\u91cd\u8981\u77e5\u8bc6\u70b9\uff1a\u7c73\u52d2\u5e73\u53f0\u65f6\u95f4\u8303\u56f4 = \u8d1f\u8f7d\u7535\u538b\u53d8\u5316\u65f6\u95f4\u8303\u56f4<\/strong><\/p>\n<h2>\u9644\u5f55\u7b14\u8bb0\uff08\u5f00\u901a\uff09<\/h2>\n<ul>\n<li>Vgs &lt; Vth &amp;&amp; Vds = 0\uff1a\u6805\u6c27\u52a0\u538b\uff0c\u4ea7\u751f\u8017\u5c3d\u5c42\uff0c\u5668\u4ef6\u5728\u622a\u81f3\u533a<\/li>\n<\/ul>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103195907750.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103195907750.png\" alt=\"image-20251103195907750\" style=\"zoom:50%;\" \/><\/div><\/p>\n<ul>\n<li>Vgs >Vth &amp;&amp; Vds = 0\uff1a\u53cd\u578b\uff0c\u5f62\u6210\u6c9f\u9053\uff0c\u5668\u4ef6\u5de5\u4f5c\u5728\u622a\u81f3\u533a<\/li>\n<\/ul>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103200224090.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103200224090.png\" alt=\"image-20251103200224090\" style=\"zoom:50%;\" \/><\/div><\/p>\n<ul>\n<li>Vgs > Vth &amp;&amp; Vds >0 &amp;&amp; Vds &lt;(Vgs &#8211; Vth)\uff1a\u5668\u4ef6\u6c9f\u9053\u5f00\u59cb\u53d8\u5316\uff0c\u5668\u4ef6\u5728\u6b27\u59c6\u533a\uff0c<strong>\u6b63\u5e38\u5f00\u901a\u7684SiC MOSFET\u5de5\u4f5c\u5728\u6b64\u5de5\u51b5<\/strong><\/li>\n<\/ul>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103200327526.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103200327526.png\" alt=\"image-20251103200327526\" style=\"zoom:50%;\" \/><\/div><\/p>\n<ul>\n<li>Vgs > Vth  &amp;&amp; Vds >(Vgs &#8211; Vth)\uff1aVds = Vgs-Vth\u65f6\u5668\u4ef6\u9884\u5939\u65ad\uff0c\u5668\u4ef6\u8fdb\u5165\u9971\u548c\u533a\uff0cVds\u8d8a\u9ad8\uff0c\u5939\u65ad\u70b9\u8d8a\u504f\u5411\u6e90\u6781\uff0c<strong>MOSFET\u5728\u7c73\u52d2\u5e73\u53f0\u671f\u95f4\uff1a\u5f00\u901a\uff1a\u4ece\u9971\u548c\u533a\u9000\u56de\u6b27\u59c6\u533a\uff0c\u5173\u65ad\uff1a\u4ece\u6b27\u59c6\u533a\u8fdb\u5165\u9971\u548c\u533a\u8fdb\u5165\u622a\u81f3\u533a<\/strong><\/li>\n<\/ul>\n<p><div class='fancybox-wrapper' data-fancybox='post-images' href='http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103200706589.png'><img decoding=\"async\" src=\"http:\/\/image.pnjie.top\/blogs\/picgo\/image-20251103200706589.png\" alt=\"image-20251103200706589\" style=\"zoom:50%;\" \/><\/div><\/p>\n<p>\u65e0\u5956\u95ee\u7b54\uff1a\u82e5\u8d1f\u8f7d\u7535\u538bVds=0\uff0c\u8fd8\u4f1a\u6709\u7c73\u52d2\u5e73\u53f0\u5417\uff1f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SiC MOSFET\u7c73\u52d2\u5e73\u53f0\/\u7c73\u52d2\u6548\u5e94\u8be6\u89e3 Author: PNJIE Date: 2025\/11\/03 \u7801\u5b57 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[60,26,59],"class_list":["post-347","post","type-post","status-publish","format-standard","hentry","category-basiclearning","tag-60","tag-26","tag-59"],"_links":{"self":[{"href":"https:\/\/www.pnjie.top\/index.php?rest_route=\/wp\/v2\/posts\/347","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pnjie.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pnjie.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pnjie.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pnjie.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=347"}],"version-history":[{"count":1,"href":"https:\/\/www.pnjie.top\/index.php?rest_route=\/wp\/v2\/posts\/347\/revisions"}],"predecessor-version":[{"id":348,"href":"https:\/\/www.pnjie.top\/index.php?rest_route=\/wp\/v2\/posts\/347\/revisions\/348"}],"wp:attachment":[{"href":"https:\/\/www.pnjie.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pnjie.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pnjie.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}