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padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t<img decoding=\"async\" src=\"http:\/\/www.szryc.com\/uploads\/allimg\/180916\/200342D42-4.png\" style=\"border: 0px; vertical-align: middle; cursor: pointer; margin: 0px auto; display: block; max-width: 100%; border-radius: 2px;\" \/><\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u56fe1.4 Buck\u7684\u5f00\u5173\u635f\u8017\u793a\u610f<\/p>\n<p align=\"center\" style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t<img decoding=\"async\" src=\"http:\/\/www.szryc.com\/uploads\/allimg\/180916\/2003423332-5.png\" style=\"border: 0px; vertical-align: middle; cursor: pointer; margin: 0px auto; display: block; max-width: 100%; border-radius: 2px;\" \/><\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u56fe1.5 MOSFET\u7684\u5bc4\u751f\u7535\u5bb9<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u56fe1.5\u662fMOSFET\u7684\u5bc4\u751f\u7535\u5bb9\u793a\u610f\uff0c\u56fe1.6\u662f\u4e0a\u6865\u81c2MOSFET\u7684\u5f00\u5173\u635f\u8017\u56fe\u5f62\uff0c\u8fd9\u662f\u7406\u60f3\u56fe\u5f62\u5e76\u5047\u8bbe\u6805\u6781\u7535\u6d41\u662f\u6052\u5b9a\u7684\u3002\u5f00\u5173\u635f\u8017\u7684\u4ea7\u751f\u673a\u7406\u4e0eMOSFET\u7684\u5bc4\u751f\u7535\u5bb9\u76f8\u5173\u3002<\/p>\n<p align=\"center\" style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t<img decoding=\"async\" src=\"http:\/\/www.szryc.com\/uploads\/allimg\/180916\/2003421M7-6.png\" style=\"border: 0px; vertical-align: middle; cursor: pointer; margin: 0px auto; display: block; max-width: 100%; border-radius: 2px;\" \/><\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u56fe1.6 \u4e0a\u6865\u81c2MOSFET\u7684\u7406\u60f3\u5f00\u5173\u635f\u8017\u56fe\u5f62<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u5f00\u5173\u635f\u8017\u4ea7\u751f\u8fc7\u7a0b\u8be6\u7ec6\u5206\u6790\uff1a<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t1\u3001\u5728\u65f6\u95f4\u6bb5t1\u5f00\u59cb\u65f6\uff0c\u5f53MOSFET\u9a71\u52a8\u5668\u5f00\u59cb\u5411MOSFET\u7684\u6805\u6781\u63d0\u4f9b\u7535\u6d41\u65f6\uff0cVGS\uff08MOSFET \u7684\u6805 - \u6e90\u7535\u538b\uff09\u5f00\u59cb\u4e0a\u5347\u3002\u5728\u6b64\u671f\u95f4\uff0c\u5c06\u5bf9\u8f93\u5165\u7535\u5bb9 Ciss\uff08CGS + CGD\uff09\u8fdb\u884c\u5145\u7535\uff0c\u800c VDS\uff08MOSFET \u7684\u6f0f - \u6e90\u7535\u538b\uff09\u4fdd\u6301\u6052\u5b9a\u3002\u6b64\u65f6\u4e0d\u5b58\u5728\u6f0f - \u6e90\u7535\u6d41\uff0c\u56e0\u6b64\uff0c\u5728\u6b64\u671f\u95f4\u6ca1\u6709\u5f00\u5173\u635f\u8017\u3002==&gt;VGS\u5c0f\u4e8e\u9608\u503c\uff0cMOSFET\u672a\u5f00\u542f\uff0c\u65e0\u635f\u8017\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t2\u3001\u5728\u65f6\u95f4\u6bb5 t2 \u5f00\u59cb\u65f6\uff0c VGS \u7535\u538b\u8d85\u51fa\u6805 - \u6e90<u>\u9608\u503c\u7535\u538b<\/u>\uff08VGS(TH)\uff09\u3002\u7535\u6d41\u5f00\u59cb\u4ece\u6f0f\u6781\u6d41\u5411\u6e90\u6781\uff0c\u540c\u65f6 Ciss\u7ee7\u7eed\u5145\u7535\u3002\u8be5\u7535\u6d41\u5c06\u7ebf\u6027\u4e0a\u5347\uff0c\u76f4\u5230 Ids \u7b49\u4e8e\u7535\u611f\u7535\u6d41 IL \u4e3a\u6b62\u3002\u7531\u4e8e MOSFET \u4e0a\u5b58\u5728\u7b49\u4e8e VIN \u7684\u7535\u538b\u964d\uff0c\u5e76\u4e14\u7535\u6d41Ids \u6d41\u8fc7\u5668\u4ef6\uff0c\u6240\u4ee5\u6b64\u671f\u95f4\u5b58\u5728\u663e\u8457\u7684\u5f00\u5173\u635f\u8017\u3002==&gt;VGS\u5927\u4e8e\u9608\u503c\uff0cMOSFET\u5f00\u95f8\uff0c\u635f\u8017\u9012\u589e\uff0c\u9876\u70b9\u4e3a\u8f93\u51fa\u7535\u6d41\u6b63\u597d\u6ee1\u8db3\u8d1f\u8f7d\u9700\u6c42\u5904\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t3\u3001\u5728\u65f6\u95f4\u6bb5 t3 \u671f\u95f4\uff0c Ids \u7535\u6d41\u4fdd\u6301\u6052\u5b9a\uff0c Vds \u7535\u538b\u5f00\u59cb\u4e0b\u964d\u3002\u867d\u7136\u6f0f - \u6e90\u7535\u538b\u5728\u4e0b\u964d\uff0c\u4f46\u51e0\u4e4e\u6240\u6709\u7684\u6805\u6781\u7535\u6d41\u90fd\u4e8e\u5bf9 CGD \u8fdb\u884c\u5145\u7535\u3002\u7531\u4e8e\u51e0\u4e4e\u6ca1\u6709\u6805\u6781\u7535\u6d41\u7528\u4e8e\u5bf9 CGS\u5145\u7535\uff0c\u6240\u4ee5\u6805 - \u6e90\u7535\u538b\u5728\u4e00\u4e2a\u79f0\u4e3a&ldquo;\u5f00\u5173\u70b9&rdquo;\u7535\u538b\uff08VSP\uff09\u7684\u7535\u538b\u4e0b\u4fdd\u6301\u76f8\u5bf9\u5e73\u5766\u3002\u8be5\u533a\u57df\u901a\u5e38\u79f0\u4e3a\u7c73\u52d2\u5e73\u5766\u533a\uff08Miller Pla<u>te<\/u>au\uff09\u3002\u5728\u6b64\u65f6\u95f4\u6bb5\u671f\u95f4\uff0c\u7c7b\u4f3c\u4e8e t2\uff0c\u4e5f\u5b58\u5728\u6f0f - \u6e90\u7535\u538b\u964d\uff0c\u5e76\u4e14\u6709\u663e\u8457\u7535\u6d41\u6d41\u8fc7\u5668\u4ef6\u3002\u56e0\u6b64\uff0ct3 \u662f\u5f00\u5173\u5468\u671f\u4f1a\u4ea7\u751f\u635f\u8017\u7684\u4e00\u4e2a\u65f6\u95f4\u6bb5\u3002==&gt;VGS\u7535\u5e73\u8fdb\u5165\u50f5\u6301\u9636\u6bb5\uff0cMOSFET\u901a\u9053\u7684\u6df1\u5ea6\u52a0\u5f3a\uff0cVDS\u538b\u5dee\u4e0b\u964d\uff0c\u635f\u8017\u9012\u51cf\uff0c\u4e3a\u8f6c\u6298\u70b9\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t4\u3001\u5728\u8d85\u51fa\u65f6\u95f4\u6bb5 t3 \u65f6\uff0cMOSFET \u901a\u9053\u589e\u5f3a\uff0c\u6700\u9ad8\u81f3 VGS\u8fbe\u5230\u5176\u6700\u5927\u503c\u7684\u7535\u538b\u70b9\u3002\u5f00\u5173\u635f\u8017\u5df2\u7ecf\u505c\u6b62\uff0c\u4f20\u5bfc\u635f\u8017\u5f00\u59cb\u51fa\u73b0\uff0c\u76f4\u5230\u4e0a\u6865\u81c2 MOSFET \u5173\u95ed\u4e3a\u6b62\u3002\u5173\u95ed\u4e8b\u4ef6\u7684\u60c5\u5f62\u662f\u975e\u5e38\u7c7b\u4f3c\u7684\uff0c\u4ee5\u5f00\u542f\u4e8b\u4ef6\u7684\u76f8\u53cd\u5f62\u5f0f\u53d1\u751f\u3002===&gt;VGS\u7535\u5e73\u7a81\u7834\u50f5\u6301\u7ee7\u7eed\u4e0a\u5347\uff0cMOSFET\u7684\u901a\u9053\u7ee7\u7eed\u589e\u5f3a\uff0c\u5f00\u5173\u635f\u8017\u9000\u51fa\u821e\u53f0\uff0c\u4f20\u5bfc\u635f\u8017\u767b\u573a\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\tMOSFET\u7684\u5173\u95ed\u8fc7\u7a0b\u7684\u635f\u8017\u4e0e\u4e0a\u8ff0\u63cf\u8ff0\u7c7b\u4f3c\uff0c\u6b65\u9aa4\u76f8\u53cd\u800c\u5df2\uff0c\u6240\u4ee5\u5f00\u5173\u635f\u8017\u5305\u62ec\u5f00\u542f\u548c\u5173\u95ed\u4e24\u90e8\u5206\uff0c\u7ecf\u63d0\u70bc\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\u3002<\/p>\n<p align=\"center\" style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t<img decoding=\"async\" src=\"http:\/\/www.szryc.com\/uploads\/allimg\/180916\/20034243F-7.png\" style=\"border: 0px; vertical-align: middle; cursor: pointer; margin: 0px auto; display: block; max-width: 100%; border-radius: 2px;\" \/><\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u540c\u6b65Buck\u8fd8\u6709\u4e00\u4e2a\u4e0b\u81c2MOSFET\uff0c\u4f46\u662f\u5b83\u662f\u63a5\u8fd1\u96f6\u7535\u538b\u5f00\u542f\u7684\u4e5f\u5c31\u662f\u6ca1\u6709\u50cf\u4e0a\u7ba1\u90a3\u6837\u4f1a\u6709\u5de8\u5927\u7684Vds\u538b\u5dee\uff0c\u6240\u4ee5\u4e0b\u81c2MOSFET\u7684\u5f00\u5173\u635f\u8017\u662f\u4e0d\u88ab\u8ba8\u8bba\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\uff08\u4e8c\uff09\u3001\u4f20\u5bfc\u635f\u8017\u7684\u8ba1\u7b97<\/p>\n<p style=\"margin: 0px 0px 12px; 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margin: 0px auto; display: block; max-width: 100%; border-radius: 2px;\" \/><\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\u8bf7\u6ce8\u610f\uff0c\u8be5\u529f\u7387\u635f\u8017\u5e76\u4e0d\u53d6\u51b3\u4e8e\u5360\u7a7a\u6bd4\uff0c\u56e0\u4e3a\u7535\u611f\u603b\u662f\u8fdb\u884c\u4f20\u5bfc\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\uff08\u4e09\uff09\u3001\u5176\u5b83\u635f\u8017\u7684\u5206\u6790<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\tMOSFET\u9664\u4e86\u5f00\u5173\u548c\u4f20\u5bfc\u635f\u4e4b\u5916\uff0c\u8fd8\u6709\u5c11\u91cf\u635f\u8017\u7531\u4e8e\u5176\u5b83\u56e0\u7d20\u5f15\u8d77\u7684\uff0c\u56e0\u4e3a\u6240\u5360\u6bd4\u91cd\u8f83\u4f4e\uff0c\u6240\u4ee5\u5728\u975e\u7cbe\u786e\u8ba1\u7b97\u65f6\u4e00\u822c\u88ab\u5ffd\u7565\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-indent: 2em; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t1\uff09\u3001\u5bf9\u6805\u6781\u5bc4\u751f\u7535\u5bb9\u5145\u7535\u5f15\u8d77\u7684\u635f\u8017\uff0c\u4e0a\u4e0b\u81c2MOSFET\u7684\u8ba1\u7b97\u65b9\u5f0f\u4e00\u81f4\uff0c\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p align=\"center\" style=\"margin: 0px 0px 12px; 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