{"id":85911,"date":"2026-07-28T00:08:27","date_gmt":"2026-07-27T16:08:27","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/85911.html"},"modified":"2026-07-28T00:08:27","modified_gmt":"2026-07-27T16:08:27","slug":"%e5%9f%ba%e4%ba%8emosfet%e5%b7%a5%e4%bd%9c%e7%94%b5%e5%8e%8b%e3%80%81%e7%94%b5%e6%b5%81%e7%89%b9%e6%80%a7%e7%9a%84%e9%80%89%e5%9e%8b%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/85911.html","title":{"rendered":"\u57fa\u4e8eMOSFET\u5de5\u4f5c\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u9009\u578b\u8bbe\u8ba1"},"content":{"rendered":"

\u4e00\u3001\u524d\u8a00<\/span><\/h3>\n

MOSFE<\/span>T<\/span>\u662f\u5f00\u5173\u7535\u6e90\u3001\u7535\u673a\u9a71\u52a8\u3001\u5149\u4f0f\u9006\u53d8\u5668\u3001\u8f66\u8f7d\u7535\u63a7\u7b49\u5927\u529f\u7387\u7535\u529b\u7535\u5b50\u7cfb\u7edf\u6838\u5fc3\u5f00\u5173\u5668\u4ef6，\u5668\u4ef6\u9009\u578b\u76f4\u63a5\u51b3\u5b9a\u6574\u673a\u6548\u7387\u3001\u6e29\u5347\u3001EMI\u4e0e\u957f\u671f\u53ef\u9760\u6027\u3002MOSFET\u6838\u5fc3\u5de5\u4f5c\u7279\u6027\u5206\u4e3a\u6f0f\u6e90\u7535\u538b\u8010\u53d7\u7279\u6027\u3001\u901a\u6001\u7535\u6d41\u627f\u8f7d\u7279\u6027\u4e24\u5927\u7ef4\u5ea6，\u540c\u65f6\u6805\u6781\u9a71\u52a8\u7535\u538b\u3001\u9a71\u52a8\u7535\u6d41\u914d\u5957\u53c2\u6570\u3001\u5bc4\u751f\u7535\u5bb9<\/span>\/<\/span>\u6805\u6781\u7535\u8377\u3001\u5c01\u88c5\u6563\u70ed\u3001\u901a\u6001\u7535\u963b<\/span>R<\/span>DS(on)<\/span>\u7b49\u53c2\u6570\u9700\u540c\u6b65\u5339\u914d\u3002\u672c\u6587\u7ed3\u5408\u5668\u4ef6\u7535\u6c14\u673a\u7406\u4e0e\u5de5\u7a0b\u5b9e\u6d4b\u6570\u636e，\u68b3\u7406\u57fa\u4e8e\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u6807\u51c6\u5316\u9009\u578b\u6d41\u7a0b，\u91cd\u70b9\u8865\u5145<\/span>R<\/span>DS(on)<\/span>\u4e0e\u5bfc\u901a\u635f\u8017\u7684\u8026\u5408\u5173\u7cfb，\u517c\u987e\u7406\u8bba\u7ea6\u675f\u3001\u964d\u989d\u89c4\u8303\u3001\u9ad8\u9891\u9a71\u52a8\u5339\u914d\u4e0e\u591a\u7ba1\u5e76\u8054\u3001\u9ad8\u4f4e\u6e29\u7279\u6b8a\u5de5\u51b5\u4f18\u5316\u65b9\u6848\u3002<\/span><\/p>\n

\u4e8c\u3001\u57fa\u4e8e\u6f0f\u6e90\u7535\u538b（VDS）\u7279\u6027\u9009\u578b\u89c4\u8303<\/span><\/h4>\n
2.1 \u6700\u5927\u5de5\u4f5c\u7535\u538b\u6838\u7b97<\/span><\/h5>\n
\u9009\u578b\u7b2c\u4e00\u6b65\u9700\u7cbe\u51c6\u7edf\u8ba1\u7535\u8def\u5168\u5de5\u51b5\u4e0bMOSFET\u6f0f\u6e90\u4e24\u7aef\u627f\u53d7\u7684\u5cf0\u503c\u7535\u538b，\u8986\u76d6\u4e09\u7c7b\u5de5\u51b5：<\/span><\/h5>\n

1.<\/span>\u7a33\u6001\u989d\u5b9a\u5de5\u4f5c\u7535\u538b；<\/span><\/p>\n

2.<\/span>\u8f93\u5165\u7535\u538b\u6ce2\u52a8\u3001\u8d1f\u8f7d\u7a81\u53d8\u3001\u8f7b\u8f7d\u8c10\u632f\u4ea7\u751f\u7684\u7535\u538b\u5c16\u5cf0；<\/span><\/p>\n

3.<\/span>\u5173\u673a\u3001\u77ed\u8def\u3001\u611f\u6027\u8d1f\u8f7d\u5173\u65ad\u4ea7\u751f\u7684\u611f\u5e94\u6d6a\u6d8c\u7535\u538b\u3002<\/span><\/p>\n

\u5f00\u5173\u7535\u6e90\u3001\u7535\u673a\u9a71\u52a8\u7b49\u611f\u6027\u7535\u8def，\u7535\u611f\u7eed\u6d41\u4f1a\u4ea7\u751f\u6570\u500d\u4e8e\u6bcd\u7ebf\u7535\u538b\u7684\u77ac\u65f6\u5c16\u5cf0，\u4e0d\u53ef\u4ec5\u6309\u76f4\u6d41\u6bcd\u7ebf\u6807\u79f0\u7535\u538b\u9009\u578b\u3002<\/span><\/p>\n

2.2 \u989d\u5b9a\u8010<\/span>\u538b<\/span>VDSS\u88d5\u91cf\u8bbe\u8ba1<\/span><\/h5>\n

MOSFET \u989d\u5b9a\u6f0f\u6e90\u51fb\u7a7f\u7535\u538bV<\/span>DSS<\/span>\u5fc5\u987b\u5927\u4e8e\u7535\u8def\u6700\u5927\u77ac\u65f6\u5cf0\u503c\u7535\u538b，\u5de5\u7a0b\u6807\u51c6\u5b89\u5168\u88d5\u91cf<\/span>20%<\/span>～<\/span>30%<\/span>：<\/span><\/p>\n

﹡<\/span>\u793a\u4f8b：\u7535\u8def\u6700\u5927\u77ac\u65f6VDS\u5cf0\u503c30V，\u9009\u578bV<\/span>DSS<\/span>\u00a0\u226530\u00d71.2=36V；<\/span><\/p>\n

﹡<\/span>\u9ad8\u538b600V\/800V\u529f\u7387MOS\u3001\u8f66\u8f7d\u7535\u63a7\u573a\u666f，\u6d6a\u6d8c\u66f4\u4e25\u91cd，\u88d5\u91cf\u5efa\u8bae\u63d0\u5347\u81f330%\u4ee5\u4e0a\u3002<\/span><\/p>\n

2.3 \u9a71\u52a8\u7535\u538b\u914d\u5957\u7ea6\u675f（\u6805\u6781\u7535\u538b\u4e0e\u8010\u538b\u534f\u540c）<\/span><\/h5>\n

\u6f0f\u6e90\u8010\u538b\u9009\u578b\u540c\u65f6\u9700\u5339\u914d\u6805\u6781\u9a71\u52a8\u7535\u538b，\u907f\u514d\u6805\u6c27\u51fb\u7a7f\u5931\u6548，\u4e14\u9a71\u52a8\u7535\u538b\u76f4\u63a5\u6539\u53d8R<\/span>DS(on)<\/span>\u5927\u5c0f，\u95f4\u63a5\u5f71\u54cd\u5bfc\u901a\u635f\u8017：<\/span><\/p>\n

1.<\/span>\u529f\u7387MOS\u9608\u503c\u7535\u538bV<\/span>th<\/span>\u591a\u4e3a2<\/span>~<\/span>4V，\u4ec5\u7565\u9ad8\u4e8eV<\/span>th<\/span>\u9a71\u52a8\u65f6\u6c9f\u9053\u672a\u5145\u5206\u5f62\u6210，R<\/span>DS(on)<\/span>\u6025\u5267\u5347\u9ad8<\/span>；<\/span>\u5de5\u7a0b\u5e38\u89c4\u9a71\u52a8\u7535\u538b10<\/span>~<\/span>12V，\u5927\u529f\u7387\u573a\u666f\u6700\u9ad815V；\u5b9e\u6d4bV<\/span>gs<\/span>\u4ece4V\u63d0\u5347\u81f310V，R<\/span>DS(on)<\/span>\u53ef\u964d\u4f4e60%\u4ee5\u4e0a；<\/span><\/p>\n

2.<\/span>\u6805\u6781\u7edd\u5bf9\u6700\u5927\u989d\u5b9a\u7535\u538b\u666e\u904d\u2264<\/span>\u00a020V，\u9a71\u52a8\u56de\u8def\u5fc5\u987b\u589e\u52a0TVS\u94b3\u4f4d（\u5982SMBJ15CA）\u6291\u5236\u5c16\u5cf0，\u8d85\u8fc720V\u6805\u6c27\u5c42\u6c38\u4e45\u51fb\u7a7f，\u51fa\u73b0\u6279\u91cf\u5668\u4ef6\u5931\u6548；<\/span><\/p>\n

3.<\/span>\u9ad8\u9891\u9ad8\u538bMOS\u7c73\u52d2\u6548\u5e94\u663e\u8457，\u9a71\u52a8\u7535\u538b\u63d0\u5347\u53ef\u7f29\u77ed\u7c73\u52d2\u5e73\u53f0\u65f6\u95f4\u3001\u964d\u4f4e\u5f00\u5173\u635f\u8017<\/span>；<\/span>12V\u9a71\u52a8\u76f8\u6bd45V\u9a71\u52a8\u603b\u5f00\u5173\u635f\u8017\u53ef\u964d\u4f4e78%，\u4f46\u9a71\u52a8\u7535\u538b\u8d85\u8fc7 15V \u540e\u635f\u8017\u4f18\u5316\u5e45\u5ea6\u4e0d\u8db35%，\u53cd\u800c\u52a0\u5267\u7535\u538b\u632f\u94c3\u4e0eEMI\u3002<\/span><\/p>\n

2.4 \u7535\u538b\u76f8\u5173\u5bc4\u751f\u53c2\u6570\u7b5b\u9009<\/span><\/h5>\n

1.<\/span>\u5bfc\u901a\u7535\u963b<\/span>R<\/span>DS(on)<\/span>：\u540c\u8010\u538b\u7b49\u7ea7\u5668\u4ef6，<\/span>R<\/span>DS(on)<\/span>\u8d8a\u4f4e，\u5927\u7535\u6d41\u4e0b\u5bfc\u901a\u635f\u8017\u8d8a\u5c0f；\u4f46\u4f4e\u963bMOS\u82af\u7247\u9762\u79ef\u66f4\u5927\u3001\u6210\u672c\u66f4\u9ad8，\u9700\u5e73\u8861\u6210\u672c\u4e0e\u6e29\u5347；<\/span>R<\/span>DS(on)<\/span>\u53d7VGS\u3001\u6e29\u5ea6\u53cc\u91cd\u5f71\u54cd，\u662f\u9009\u578b\u6838\u5fc3\u635f\u8017\u6307\u6807；<\/span><\/p>\n

2.<\/span>\u6805\u6f0f\u7535\u5bb9C<\/span>gd<\/span>（\u7c73\u52d2\u7535\u5bb9）<\/span>：\u9ad8\u538b MOS \u7684C<\/span>gd<\/span>\u968fVDS\u5347\u9ad8\u6025\u5267\u8870\u51cf，\u4ec5\u4f9d\u9760\u8f93\u5165\u7535\u5bb9C<\/span>iss<\/span>\u4f30\u7b97\u9a71\u52a8\u9700\u6c42\u4f1a\u51fa\u73b0\u9a71\u52a8\u8bbe\u8ba1\u504f\u5dee，\u9ad8\u9891\u573a\u666f\u4f18\u5148\u67e5\u770b\u6805\u6781\u603b\u7535\u8377Q<\/span>g<\/span>\u53c2\u6570；<\/span><\/p>\n

3.<\/span>\u8f93\u51fa\u7535\u5bb9C<\/span>oss<\/span>：\u5f00\u5173\u635f\u8017\u4e0eC<\/span>oss<\/span>\u00d7V<\/span>DS<\/span>2<\/span>\u6b63\u76f8\u5173，\u9ad8\u538b\u9ad8\u9891\u5e94\u7528\u4f18\u5148\u9009\u7528\u4f4eC<\/span>oss<\/span>\u5668\u4ef6，\u964d\u4f4e\u5173\u65ad\u635f\u8017\u3002<\/span><\/p>\n

\u4e09\u3001\u57fa\u4e8e\u6f0f\u6781\u7535\u6d41（ID）\u7279\u6027\u9009\u578b\u89c4\u8303<\/span><\/h4>\n
3.1 \u8fde\u7eed\u989d\u5b9a\u7535\u6d41 ID \u964d\u989d\u9009\u578b<\/span><\/h5>\n

MOS\u624b\u518c\u6807\u79f0\u8fde\u7eed\u6f0f\u6781\u7535\u6d41I<\/span>D<\/span>\u4e3a\u7406\u60f3\u6563\u70ed\u6761\u4ef6\u4e0b\u53c2\u6570，\u5b9e\u9645\u6574\u673a\u9700\u6839\u636e\u6563\u70ed\u65b9\u5f0f\u5f3a\u5236\u964d\u989d，\u800c\u6301\u7eed\u7535\u6d41\u5927\u5c0f\u76f4\u63a5\u51b3\u5b9a\u5bfc\u901a\u635f\u8017\u91cf\u7ea7<\/span>；<\/span><\/p>\n

  • \u81ea\u7136\u51b7\u5374\u3001\u5c0f\u4f53\u79ef\u65e0\u6563\u70ed\u5668：\u964d\u989d\u7cfb\u65700.5<\/span>~<\/span>0.6<\/span>；<\/span><\/li>\n

    \u793a\u4f8b：\u7535\u8def\u6700\u5927\u6301\u7eed\u8d1f\u8f7d\u7535\u6d41 5A，\u81ea\u7136\u51b7\u5374\u4e0b\u9009\u578bI<\/span>D<\/span>\u00a0\u2265<\/span>\u00a05\u00f70.5=10A；<\/span><\/p>\n

    2.<\/span>\u5f3a\u5236\u98ce\u51b7\u3001\u52a0\u88c5\u91d1\u5c5e\u6563\u70ed\u5668：\u964d\u989d\u7cfb\u65700.7<\/span>~<\/span>0.8；<\/span><\/p>\n

    3.<\/span>\u8f66\u8f7d\u3001\u5bc6\u95ed\u9ad8\u6e29\u673a\u7bb1\u73af\u5883，\u989d\u5916\u518d\u964d\u4f4e0.1<\/span>~<\/span>0.2\u964d\u989d\u7cfb\u6570\u3002<\/span><\/p>\n

    3.2 \u901a\u6001\u7535\u963b<\/span>R<\/span>DS(on)<\/span>\u4e0e\u5bfc\u901a\u635f\u8017\u6838\u5fc3\u5173\u7cfb<\/span><\/h5>\n
    3.2.1 \u5bfc\u901a\u635f\u8017\u57fa\u7840\u8ba1\u7b97\u516c\u5f0f<\/span><\/h6>\n

    MOS\u5bfc\u901a\u9636\u6bb5，\u6f0f\u6781\u7535\u6d41\u6301\u7eed\u6d41\u8fc7\u5bfc\u901a\u7535\u963b\u4ea7\u751f\u7126\u8033\u70ed，\u5bfc\u901a\u635f\u8017\u516c\u5f0f：<\/span><\/p>\n

    P<\/span>cond<\/span>=I<\/span>rms<\/span>2<\/span>\u00a0\u00d7 R<\/span>DS(on)<\/span>\u53c2\u6570\u8bf4\u660e：<\/span><\/p>\n

    ﹡<\/span>P<\/span>cond<\/span>：\u5e73\u5747\u5bfc\u901a\u635f\u8017，\u5355\u4f4dW<\/span>；<\/span><\/p>\n

    ﹡<\/span>I<\/span>rms<\/span>：MOS\u7ba1\u6d41\u8fc7\u7684\u6709\u6548\u503c\u6f0f\u6781\u7535\u6d41<\/span>；<\/span><\/p>\n

    ﹡<\/span>R<\/span>DS(on)<\/span>：\u5668\u4ef6\u901a\u6001\u7535\u963b，\u968fVGS\u3001\u7ed3\u6e29\u53d8\u5316\u3002<\/span><\/p>\n

    \u5355\u5468\u671f\u5bfc\u901a\u80fd\u91cf\u635f\u8017：<\/span><\/p>\n

    E<\/span>cond<\/span>=I<\/span>avg<\/span>^2 \u00d7 R<\/span>DS(on)<\/span>\u00a0\u00d7 t<\/span>on<\/span>\u00a0<\/p>\n

    t<\/span>on<\/span>\u4e3a\u5355\u5468\u671f\u5bfc\u901a\u65f6\u95f4，\u5f00\u5173\u9891\u7387\u8d8a\u9ad8，\u5355\u4f4d\u65f6\u95f4\u5bfc\u901a\u6b21\u6570\u8d8a\u591a，\u5bfc\u901a\u635f\u8017\u540c\u6b65\u7d2f\u79ef\u3002<\/span><\/p>\n

    3.2.2 \u5173\u952e\u5f71\u54cd\u89c4\u5f8b<\/span><\/h6>\n

    1.<\/span>\u7535\u6d41\u5bf9\u5bfc\u901a\u635f\u8017\u7684\u653e\u5927\u4f5c\u7528<\/span>\u00a0<\/p>\n

    \u5bfc\u901a\u635f\u8017\u4e0e\u7535\u6d41\u5e73\u65b9\u6210\u6b63\u6bd4，\u5927\u7535\u6d41\u5de5\u51b5\u4e0b<\/span>R<\/span>DS(on)<\/span>\u5fae\u5c0f\u4e0a\u5347\u90fd\u4f1a\u5e26\u6765\u635f\u8017\u5927\u5e45\u589e\u52a0\u3002\u4f8b\u5982\u7535\u6d41\u7ffb\u500d，\u5bfc\u901a\u635f\u8017\u76f4\u63a5\u53d8\u4e3a\u539f\u67654\u500d，\u5927\u7535\u6d41\u7535\u6e90\u3001\u7535\u673a\u9a71\u52a8\u5fc5\u987b\u4f18\u5148\u4f4e<\/span>R<\/span>DS(on)<\/span>MOS\u3002<\/span><\/p>\n

    2.<\/span>\u9a71\u52a8\u7535\u538bVGS\u51b3<\/span>\u5b9aR<\/span>DS(on)<\/span>\u57fa\u51c6\u503c<\/span>\u00a0<\/p>\n

    VGS\u8d8a\u63a5\u8fd1\u989d\u5b9a\u9a71\u52a8\u7535\u538b（10<\/span>～<\/span>12V），\u6c9f\u9053\u8f7d\u6d41\u5b50\u8fc1\u79fb\u7387\u8d8a\u9ad8，<\/span>R<\/span>DS(on)<\/span>\u8d8a\u5c0f；\u82e5\u4ec5\u75285V\u9a71\u52a8，<\/span>R<\/span>DS(on)<\/span>\u5927\u5e45\u4e0a\u5347，\u5bfc\u901a\u635f\u8017\u663e\u8457\u589e\u52a0\u3002\u5b9e\u6d4b4V\u9a71\u52a8\u5bf9\u6bd410V\u9a71\u52a8，<\/span>R<\/span>DS(on)<\/span>\u5347\u9ad860%，\u540c\u7b49\u7535\u6d41\u4e0b\u5bfc\u901a\u635f\u8017\u63d0\u53472.5\u500d\u4ee5\u4e0a\u3002<\/span><\/p>\n

  • \u6e29\u5ea6\u6b63\u53cd\u9988\u6076\u5316\u635f\u8017<\/span>\u00a0<\/li>\n

    R<\/span>DS(on)<\/span>\u5177\u5907\u6b63\u6e29\u5ea6\u7cfb\u6570，\u5668\u4ef6\u7ed3\u6e29\u5347\u9ad8，\u5bfc\u901a\u7535\u963b\u540c\u6b65\u53d8\u5927，\u635f\u8017\u8fdb\u4e00\u6b65\u4e0a\u5347，\u5f62\u6210 \u201c\u5347\u6e29\u2192\u7535\u963b\u53d8\u5927\u2192\u635f\u8017\u589e\u52a0\u2192\u6301\u7eed\u5347\u6e29\u201d \u6076\u6027\u5faa\u73af\u3002\u9ad8\u6e29\u5bc6\u95ed\u8bbe\u5907\u3001\u65e0\u6563\u70ed\u65b9\u6848\u9009\u578b\u65f6，\u5fc5\u987b\u9884\u7559\u66f4\u4f4e<\/span>R<\/span>DS(on)<\/span>\u4f59\u91cf\u3002<\/span><\/p>\n

    3.2.3 \u9009\u578b\u53d6\u820d\u539f\u5219<\/span><\/h6>\n

    ﹡<\/span>\u4f4e\u9891\u3001\u5927\u7535\u6d41（\u5982\u5de5\u9891\u9006\u53d8\u5668\u3001\u5927\u529f\u7387\u7535\u6c60\u653e\u7535）：\u7cfb\u7edf\u603b\u635f\u8017\u4ee5\u5bfc\u901a\u635f\u8017\u4e3a\u4e3b，\u4f18\u5148\u9009\u7528\u4f4e<\/span>R<\/span>DS(on)<\/span>MOS，\u653e\u5bbd\u6805\u6781\u7535\u8377Q<\/span>g<\/span>\u6307\u6807；<\/span><\/p>\n

    ﹡<\/span>\u9ad8\u9891\u3001\u4e2d\u5c0f\u7535\u6d41（MHz \u7ea7\u5feb\u5145\u3001\u5c0f\u578b\u5f00\u5173\u7535\u6e90）：\u603b\u635f\u8017\u4ee5\u5f00\u5173\u635f\u8017\u4e3a\u4e3b，\u53ef\u9002\u5ea6\u653e\u5bbd<\/span>R<\/span>DS(on)<\/span>，\u4f18\u5148\u4f4eQ<\/span>g<\/span>\u3001\u4f4eC<\/span>oss<\/span>\u5668\u4ef6\u3002<\/span><\/p>\n

    3.3 \u77ac\u6001\u5cf0\u503c\u7535\u6d41\u8010\u53d7\u8003\u91cf<\/span><\/h5>\n

    1.<\/span>\u542f\u52a8\u6d6a\u6d8c\u3001\u77ed\u8def\u6545\u969c\u3001\u7535\u673a\u5835\u8f6c\u5b58\u5728\u6570\u500d\u7a33\u6001\u7535\u6d41\u7684\u77ac\u65f6\u5cf0\u503c，\u5668\u4ef6\u8109\u51b2\u7535\u6d41\u989d\u5b9aI<\/span>DM<\/span>\u9700\u8986\u76d6\u5cf0\u503c\u7535\u6d41，\u4e14\u8109\u51b2\u6301\u7eed\u65f6\u95f4\u8d8a\u77ed，\u5141\u8bb8\u5cf0\u503c\u7535\u6d41\u8d8a\u5927；<\/span><\/p>\n

    2.<\/span>\u9ad8\u9891\u7535\u8def\u4e25\u683c\u7ba1\u63a7\u7535\u6d41\u53d8\u5316\u7387di\/dt<\/span>；<\/span>di\/dt\u8fc7\u9ad8\u4f1a\u6fc0\u53d1PCB\u5bc4\u751f\u7535\u611f\u4ea7\u751f\u7535\u538b\u632f\u94c3\u3001\u6076\u5316EMI；\u82e5\u7cfb\u7edf\u5bf9EMI\u8981\u6c42\u4e25\u82db，\u4e0d\u53ef\u76f2\u76ee\u9009\u7528\u8d85\u5927\u9a71\u52a8\u7535\u6d41\u63d0\u5347\u5f00\u5173\u901f\u5ea6，\u9700\u5339\u914d\u6805\u6781\u7535\u963b\u6291\u5236di\/dt\u3002<\/span><\/p>\n

    3.4 \u6805\u6781\u7535\u8377Q<\/span>g<\/span>\u4e0e\u9a71\u52a8\u7535\u6d41\u5339\u914d（\u7535\u6d41\u7279\u6027\u5ef6\u4f38\u9009\u578b）<\/span><\/h5>\n

    MOS\u5f00\u5173\u672c\u8d28\u662f\u6805\u6781\u7535\u5bb9\u5145\u653e\u7535\u8fc7\u7a0b，\u5668\u4ef6\u6805\u6781\u603b\u7535\u8377Qg\u76f4\u63a5\u51b3\u5b9a\u9a71\u52a8\u7535\u8def\u7535\u6d41\u9700\u6c42，\u662f\u7535\u6d41\u7ef4\u5ea6\u6838\u5fc3\u914d\u5957\u53c2\u6570：<\/span><\/p>\n

    1.<\/span>Q<\/span>g<\/span>\u6784\u6210：Q<\/span>g<\/span>=Q<\/span>gs<\/span>+Q<\/span>gd<\/span>+Q<\/span>od<\/span>，\u5176\u4e2dQ<\/span>gd<\/span>\u7c73\u52d2\u7535\u8377\u5360\u6bd4\u6700\u5927，\u51b3\u5b9a\u7c73\u52d2\u5e73\u53f0\u65f6\u957f\u4e0e\u5f00\u5173\u635f\u8017；<\/span><\/p>\n

    2.<\/span>\u5cf0\u503c\u9a71\u52a8\u7535\u6d41\u8ba1\u7b97\u516c\u5f0f：I<\/span>g(peak)<\/span>=Q<\/span>g<\/span>\/\u0394t，\u0394t\u4e3a\u76ee\u6807\u5f00\u901a\/\u5173\u65ad\u65f6\u95f4； \u793a\u4f8b：Q<\/span>g<\/span>=145nC，\u8981\u6c42\u5f00\u901a\u65f6\u95f4\u2264100ns，\u7406\u8bba\u5cf0\u503c\u9a71\u52a8\u7535\u6d411.45A，\u5b9e\u9645\u8bbe\u8ba1\u9884<\/span>\u7559<\/span>20%<\/span>~<\/span>30% \u4f59\u91cf；<\/span><\/p>\n

    3.<\/span>\u5e73\u5747\u9a71\u52a8\u7535\u6d41：I<\/span>g(avg)<\/span>=Q<\/span>g<\/span>\u00d7f<\/span>sw<\/span>，\u5f00\u5173\u9891\u7387\u8d8a\u9ad8，\u5e73\u5747\u9a71\u52a8\u7535\u6d41\u9700\u6c42\u8d8a\u5927；1MHz \u9ad8\u9891\u573a\u666f，\u4e13\u7528\u5927\u7535\u6d41\u9a71\u52a8IC\u76f8\u6bd4\u666e\u901aMCU\u8f93\u51fa\u53ef\u964d\u4f4e\u5668\u4ef6\u6e29\u534730\u2103；<\/span><\/p>\n

    4.<\/span>\u591a\u7ba1\u5e76\u8054\u573a\u666f：\u603b\u6805\u6781\u7535\u8377\u4e3a\u5355\u7ba1Q<\/span>g<\/span>\u5e76\u8054\u6570\u91cf，\u9a71\u52a8\u7535\u6d41\u540c\u6b65\u500d\u589e，\u9009\u578b\u65f6\u9a71\u52a8\u82af\u7247\u5cf0\u503c\u7535\u6d41\u5fc5\u987b\u5339\u914d\u603b\u9700\u6c42\u3002<\/span><\/p>\n

    3.5 \u5c01\u88c5\u6563\u70ed\u4e0e\u7535\u6d41\u627f\u8f7d\u5339\u914d<\/span><\/h5>\n

    \u5c01\u88c5\u76f4\u63a5\u7ea6\u675f\u5668\u4ef6\u6301\u7eed\u7535\u6d41\u627f\u8f7d\u80fd\u529b，\u540c\u65f6\u51b3\u5b9a<\/span>R<\/span>DS(on)<\/span>\u53d1\u70ed\u540e\u7684\u6563\u70ed\u6548\u7387，\u6309\u529f\u7387\u7b49\u7ea7\u9009\u578b：<\/span><\/p>\n

    1.<\/span>\u5c0f\u4fe1\u53f7\u3001\u4f4e\u7535\u6d41（＜5A）：SOT-23\u3001SO-8 \u8d34\u7247\u5c01\u88c5，\u9002\u5408\u5c0f\u578b\u9002\u914d\u5668\u3001\u63a7\u5236\u677f；\u7535\u6d41\u5c0f，\u5bfc\u901a\u635f\u8017\u4f4e，\u5bf9<\/span>R<\/span>DS(on)<\/span>\u8981\u6c42\u5bbd\u677e；<\/span><\/p>\n

    2.<\/span>\u4e2d\u529f\u7387（5~30A）：TO-220\u3001DPAK，\u53ef\u52a0\u88c5\u7b80\u6613\u6563\u70ed\u7247；\u9700\u5e73\u8861<\/span>RDS(on)<\/span>\u4e0e\u6210\u672c；<\/span><\/p>\n

    3.<\/span>\u5927\u529f\u7387（30A\u4ee5\u4e0a\u3001\u5149\u4f0f\/\u8f66\u8f7d\u9006\u53d8\u5668）：TO-247\u3001TO-263\u3001DrMOS \u5171\u5c01\u88c5，\u6563\u70ed\u9762\u79ef\u5927\u3001\u5bc4\u751f\u7535\u611f\u66f4\u4f4e；\u5927\u7535\u6d41\u4e0b\u5bfc\u901a\u635f\u8017\u7a81\u51fa，\u5fc5\u987b\u6781\u81f4\u538b\u4f4e<\/span>R<\/span>DS(on)<\/span>；<\/span><\/p>\n

    4.<\/span>\u9009\u578b\u540c\u6b65\u6ce8\u610f：\u5c01\u88c5\u5f15\u811a\u5bc4\u751f\u7535\u611f\u4f1a\u653e\u5927\u7535\u6d41\u53d8\u5316\u5e26\u6765\u7684\u7535\u538b\u632f\u94c3，\u5927\u529f\u7387\u65b9\u6848\u4f18\u5148\u91c7\u7528Kelvin\u6e90\u6781\u8fde\u63a5，\u53ef\u964d\u4f4e15%\u5f00\u5173\u635f\u8017，\u95f4\u63a5\u964d\u4f4e\u5668\u4ef6\u603b\u53d1\u70ed\u3002<\/span><\/p>\n

    \u56db\u3001\u7535\u538b\u3001\u7535\u6d41\u534f\u540c\u9009\u578b\u5173\u952e\u7ea6\u675f<\/span><\/h4>\n
    4.1 \u5bfc\u901a\u635f\u8017\u4e0e\u5f00\u5173\u635f\u8017\u5e73\u8861（<\/span>R<\/span>DS(on)<\/span>\u6838\u5fc3\u6743\u8861）<\/span><\/h5>\n

    1.<\/span>\u5927\u7535\u6d41\u4f4e\u9891\u573a\u666f：\u635f\u8017\u4ee5\u5bfc\u901a\u635f\u8017\u4e3a\u4e3b，\u4f18\u5148\u9009\u4f4e<\/span>R<\/span>DS(on)<\/span>MOS，\u653e\u5bbd\u6805\u6781\u7535\u8377\u8981\u6c42；<\/span><\/p>\n

    2.<\/span>\u5c0f\u7535\u6d41\u9ad8\u9891（MHz\u7ea7）\u573a\u666f：\u635f\u8017\u4ee5\u5f00\u5173\u635f\u8017\u4e3a\u4e3b，\u4f18\u5148\u9009\u4f4eQ<\/span>g<\/span>\u3001\u4f4eC<\/span>oss<\/span>\u5668\u4ef6，\u9002\u5f53\u653e\u5bbd<\/span>R<\/span>DS(on)<\/span>\u6307\u6807；<\/span><\/p>\n

    3.<\/span>\u635f\u8017\u516c\u5f0f\u53c2\u8003： <\/span><\/p>\n

    ﹡<\/span>\u5bfc\u901a\u635f\u8017P<\/span>cond<\/span>=I<\/span>rms<\/span>2<\/span>\u00b7R<\/span>DS(on)<\/span>，\u4e0e<\/span>R<\/span>DS(on)<\/span>\u3001\u7535\u6d41\u5e73\u65b9\u5f3a\u76f8\u5173；<\/span><\/p>\n

    ﹡<\/span>\u5f00\u901a\u635f\u8017E<\/span>on<\/span>\u221d1\/(V<\/span>GS<\/span>-V<\/span>th<\/span>)<\/span>2<\/span>，VGS\u8d8a\u9ad8，\u540c\u7b49<\/span>R<\/span>DS(on)<\/span>\u4e0b\u5bfc\u901a\u635f\u8017\u8d8a\u4f4e；<\/span><\/p>\n

    ﹡<\/span>\u5173\u65ad\u635f\u8017E<\/span>off<\/span>\u221dC<\/span>oss<\/span>\u00d7V<\/span>DS<\/span>2<\/span>\/(V<\/span>GS<\/span>-V<\/span>th<\/span>)；<\/span><\/p>\n

    \u9a71\u52a8\u7535\u538b\u4e0eMOS\u8010\u538b\u3001\u7535\u6d41\u80fd\u529b\u3001<\/span>R<\/span>DS(on)<\/span>\u9700\u8054\u52a8\u4f18\u5316，10<\/span>~<\/span>12V\u9a71\u52a8\u4e3a\u901a\u7528\u6700\u4f18\u533a\u95f4，\u517c\u987e\u5bfc\u901a\u635f\u8017\u4e0e\u5f00\u5173\u635f\u8017\u3002<\/span><\/p>\n

    4.2 \u591a MOS \u5e76\u8054\u5747\u6d41\u9009\u578b\u8981\u6c42<\/span><\/h5>\n

    \u591a\u8defMOS\u5e76\u8054\u6269\u5bb9\u627f\u8f7d\u7535\u6d41\u65f6，\u7535\u538b\u3001\u7535\u6d41\u3001<\/span>R<\/span>DS(on)<\/span>\u53c2\u6570\u4e00\u81f4\u6027\u5f3a\u5236\u7ea6\u675f：<\/span><\/p>\n

    1.<\/span>\u5668\u4ef6\u540c\u6279\u6b21\u9009\u578b，V<\/span>th<\/span>\u3001<\/span>R<\/span>DS(on)<\/span>\u3001Q<\/span>g<\/span>\u53c2\u6570\u504f\u5dee\u6700\u5c0f\u5316；\u82e5\u5355\u7ba1<\/span>R<\/span>DS(on)<\/span>\u5dee\u5f02\u8fc7\u5927，\u7535\u6d41\u4f1a\u96c6\u4e2d\u5728\u7535\u963b\u66f4\u5c0f\u7684\u7ba1\u5b50，\u5355\u7ba1\u8fc7\u8f7d\u70e7\u6bc1；<\/span><\/p>\n

    2.<\/span>\u6805\u6781\u7535\u963b\u516c\u5dee＜1%，\u9a71\u52a8\u8d70\u7ebf\u957f\u5ea6\u5dee＜5mm；10cm \u8d70\u7ebf\u5dee\u5f02\u4f1a\u5e26\u676520ns\u5f00\u5173\u5ef6\u8fdf，\u52a8\u6001\u7535\u6d41\u4e0d\u5747\u8861\u5e45\u5ea6\u8fbe30%；<\/span><\/p>\n

    3.<\/span>\u6bcf\u8def\u72ec\u7acb\u6805\u6781\u7535\u963b，\u6291\u5236\u73af\u8def\u632f\u8361，\u5747\u8861\u5404\u7ba1\u5f00\u901a\u901f\u5ea6，\u4fdd\u8bc1\u6bcf\u652fMOS\u5206\u62c5\u7535\u6d41\u5747\u5300，\u907f\u514d\u5c40\u90e8\u5bfc\u901a\u635f\u8017\u8d85\u6807\u3002<\/span><\/p>\n

    4.3 \u5bbd\u6e29\u57df\u7535\u538b\u7535\u6d41\u53c2\u6570\u6f02\u79fb\u8865\u507f\u9009\u578b<\/span><\/h5>\n

    \u9ad8\u4f4e\u6e29\u5de5\u51b5\u4e0bMOS\u6838\u5fc3\u53c2\u6570\u6f02\u79fb，<\/span>R<\/span>DS(on)<\/span>\u968f\u6e29\u5ea6\u5347\u9ad8\u6301\u7eed\u589e\u5927，\u9009\u578b\u9884\u7559\u4f59\u91cf：<\/span><\/p>\n

    1.<\/span>\u4f4e\u6e29（-40\u2103\u8f66\u8f7d\u51b7\u542f\u52a8）：V<\/span>th<\/span>\u5347\u9ad820%，\u540c\u7b49\u9a71\u52a8\u7535\u538b\u4e0b<\/span>R<\/span>DS(on)<\/span>\u589e\u5927，\u5bfc\u901a\u635f\u8017\u4e0a\u5347；\u9009\u578b\u65f6\u53ef\u652f\u630112<\/span>~<\/span>15V\u53ef\u8c03\u9a71\u52a8\u7535\u538b\u7684MOS\u65b9\u6848，\u538b\u4f4e\u4f4e\u6e29\u4e0b<\/span>R<\/span>DS(on)<\/span>；<\/span><\/p>\n

    2.<\/span>\u9ad8\u6e29（125\u2103）：<\/span>R<\/span>DS(on)<\/span>\u6301\u7eed\u4e0a\u5347，\u989d\u5b9a\u7535\u6d41\u964d\u989d\u7cfb\u6570\u8fdb\u4e00\u6b65\u4e0b\u8c03，\u4f18\u5148\u9009\u7528\u8010\u9ad8\u6e29\u5c01\u88c5\u3001\u4f4e\u6e29\u5ea6\u7cfb\u6570<\/span>R<\/span>DS(on)<\/span>\u5668\u4ef6；<\/span><\/p>\n

    3.<\/span>\u5bbd\u7981\u5e26GaN\u5668\u4ef6：\u9ad8\u9891\u9ad8\u6e29\u53c2\u6570\u7a33\u5b9a\u6027\u4f18\u4e8e\u7845MOS，\u540c\u7b49\u7535\u6d41\u4e0b<\/span>R<\/span>DS(on)<\/span>\u6e29\u5ea6\u6f02\u79fb\u66f4\u5c0f，MHz\u9ad8\u9891\u3001\u5bbd\u6e29\u57df\u573a\u666f\u4f18\u5148\u9009\u578b\u3002<\/span><\/p>\n

    \u4e94\u3001\u6807\u51c6\u5316MOS\u9009\u578b\u6b65\u9aa4（\u7535\u538b+\u7535\u6d41\u53cc\u7ef4\u5ea6，\u542b<\/span>R<\/span>DS(on)<\/span>\u635f\u8017\u6821\u9a8c）<\/span><\/h4>\n

    5.1 <\/span>\u6838\u7b97\u7535\u538b\u8fb9\u754c<\/span>\u00a0<\/p>\n

    \u8ba1\u7b97\u7535\u8def\u7a33\u6001\u3001\u6d6a\u6d8c\u3001\u611f\u6027\u5173\u65ad\u4e0b\u6700\u5927 VDS \u5cf0\u503c，\u6309 20%<\/span>～<\/span>30% \u88d5\u91cf\u786e\u5b9aV<\/span>DSS<\/span>\u8010\u538b\u7b49\u7ea7；\u786e\u5b9a\u6805\u6781\u9a71\u52a8\u7535\u538b\u533a\u95f4（10\/12\/15V），\u7b5b\u9009\u6805\u6781\u6700\u5927\u8010\u538b\u2265\u9a71\u52a8\u7535\u538b\u5c16\u5cf0\u7684\u5668\u4ef6，\u521d\u6b65\u9501\u5b9a\u540c\u8010\u538b\u4e0b\u4f4e<\/span>R<\/span>DS(on)<\/span>\u5907\u9009\u578b\u53f7\u3002<\/span><\/p>\n

    5.2 <\/span>\u6838\u7b97\u7535\u6d41\u8fb9\u754c\u4e0e\u5bfc\u901a\u635f\u8017\u9884\u8ba1\u7b97<\/span>\u00a0<\/p>\n

    \u7edf\u8ba1\u7a33\u6001\u6301\u7eed\u7535\u6d41\u3001\u77ac\u65f6\u5cf0\u503c\u7535\u6d41，\u7ed3\u5408\u6563\u70ed\u6761\u4ef6\u505a\u7535\u6d41\u964d\u989d，\u786e\u5b9a\u6700\u5c0fI<\/span>D<\/span>\u989d\u5b9a\u503c；\u6839\u636eP<\/span>cond<\/span>=I<\/span>rms<\/span>2<\/span>\u00b7R<\/span>DS(on)<\/span>\u9884\u4f30\u7b97\u5bfc\u901a\u635f\u8017，\u82e5\u635f\u8017\u8d85\u51fa\u6563\u70ed\u627f\u8f7d，\u66f4\u6362\u66f4\u4f4e<\/span>R<\/span>DS(on)<\/span>\u5668\u4ef6；\u540c\u65f6\u6839\u636e\u5f00\u5173\u9891\u7387\u3001\u76ee\u6807\u5f00\u5173\u65f6\u95f4\u8ba1\u7b97\u603b\u6805\u6781\u7535\u8377Q<\/span>g<\/span>\u9700\u6c42，\u5339\u914d\u9a71\u52a8\u7535\u6d41\u80fd\u529b\u3002<\/span><\/p>\n

    5.3 <\/span>\u5bc4\u751f\u53c2\u6570\u4e8c\u6b21\u7b5b\u9009（\u6309\u635f\u8017\u7c7b\u578b\u53d6\u820d<\/span>R<\/span>DS(on)<\/span>\u3001Q<\/span>g<\/span>）<\/span><\/p>\n

    ﹡<\/span>\u4f4e\u9891\u5927\u7535\u6d41：\u4f18\u5148\u4f4e<\/span>R<\/span>DS(on)<\/span>，\u63a7\u5236\u5bfc\u901a\u635f\u8017；<\/span><\/p>\n

    ﹡<\/span>\u9ad8\u9891\u9ad8\u538b：\u4f18\u5148\u4f4eQ<\/span>g<\/span>\u3001\u4f4eC<\/span>oss<\/span>，\u9002\u5ea6\u653e\u5bbd<\/span>R<\/span>DS(on)<\/span>\u3002<\/span><\/p>\n

    5.4 <\/span>\u5c01\u88c5\u5339\u914d\u6563\u70ed\u4e0e\u529f\u7387\u7b49\u7ea7<\/span><\/p>\n

    \u5c0f\u529f\u7387\u8d34\u7247\/\u4e2d\u529f\u7387TO220\/\u5927\u529f\u7387TO247\/DrMOS\u5171\u5c01\u88c5\u5206\u7ea7\u9009\u578b；\u5927\u529f\u7387\u65b9\u6848\u4f18\u5148Kelvin\u5c01\u88c5\u964d\u4f4e\u5bc4\u751f\u7535\u611f，\u63d0\u5347\u6563\u70ed\u80fd\u529b，\u62b5\u6d88<\/span>R<\/span>DS(on)<\/span>\u53d1\u70ed\u3002<\/span><\/p>\n

    5.5 <\/span>\u7279\u6b8a\u5de5\u51b5\u6821\u9a8c<\/span><\/p>\n

    \u5e76\u8054\u5e94\u7528\u6838\u67e5<\/span>R<\/span>DS(on)<\/span>\u3001V<\/span>th<\/span>\u53c2\u6570\u4e00\u81f4\u6027；\u9ad8\u4f4e\u6e29\u573a\u666f\u9884\u7559V<\/span>th<\/span>\u3001<\/span>R<\/span>DS(on)<\/span>\u6f02\u79fb\u4f59\u91cf；MHz\u9ad8\u9891\u53ef\u5907\u9009GaN\u5bbd\u7981\u5e26\u5668\u4ef6\u3002<\/span><\/p>\n

    5.6 <\/span>\u4eff\u771f\u4e0e\u53cc\u8109\u51b2\u5b9e\u6d4b\u9a8c\u8bc1<\/span>\u00a0<\/p>\n

    \u901a\u8fc7\u53cc\u8109\u51b2\u6d4b\u8bd5\u89c2\u6d4bVDS\u8fc7\u51b2\u3001\u7c73\u52d2\u5e73\u53f0\u65f6\u957f\u3001di\/dt\u632f\u94c3\u5e45\u5ea6；\u5b9e\u6d4b\u7a33\u6001\u6e29\u5347，\u6838\u5bf9\u5bfc\u901a\u635f\u8017\u662f\u5426\u5339\u914d\u7406\u8bba\u8ba1\u7b97，\u82e5\u6e29\u5347\u8d85\u6807，\u66f4\u6362\u66f4\u4f4e<\/span>R<\/span>DS(on)<\/span>MOS\u6216\u4f18\u5316\u6563\u70ed\u3002<\/span><\/p>\n

    \u516d\u3001\u9009\u578b\u5de5\u7a0b\u4f18\u5316\u8865\u5145\u65b9\u6848<\/span><\/h4>\n
    6.1 \u9a71\u52a8\u56de\u8def\u534f\u540c\u4f18\u5316（\u964d\u4f4e<\/span>R<\/span>DS(on)<\/span>\u3001\u51cf\u5c0f\u5bfc\u901a\u635f\u8017）<\/span><\/h5>\n

    \u6839\u636eQ<\/span>g<\/span>\u8ba1\u7b97\u5cf0\u503c\u9a71\u52a8\u7535\u6d41，\u5339\u914d\u4e13\u7528\u6805\u6781\u9a71\u52a8IC，\u4fdd\u8bc1VGS\u8fbe\u5230 10<\/span>~<\/span>12V \u989d\u5b9a\u9a71\u52a8\u7535\u538b，\u5145\u5206\u538b\u4f4e<\/span>R<\/span>DS(on)<\/span>；\u642d\u914d\u6805\u6781\u7535\u963b\u5206\u6bb5\u9a71\u52a8，\u5e73\u8861\u5f00\u5173\u901f\u5ea6\u4e0e\u7535\u538b\u632f\u94c3；PCB\u9a71\u52a8\u73af\u8def\u9762\u79ef\u63a7\u5236\u57281cm\u00b2\u4ee5\u5185，\u964d\u4f4e\u5bc4\u751f\u7535\u611f\u3002<\/span><\/p>\n

    6.2 \u53ef\u9760\u6027\u9632\u62a4\u914d\u5957<\/span><\/h5>\n

    \u6805\u6781\u589e\u52a015V<\/span>\u00a0TVS\u94b3\u4f4d\u9632\u6b62\u6805\u6c27\u51fb\u7a7f；\u529f\u7387\u56de\u8def\u589e\u52a0RC\u5438\u6536\u3001\u78c1\u73e0\u6291\u5236VDS\u5c16\u5cf0；Kelvin \u63a5\u7ebf\u5206\u79bb\u529f\u7387\u6e90\u6781\u4e0e\u9a71\u52a8\u6e90\u6781，\u51cf\u5c11\u6742\u6563\u635f\u8017\u53e0\u52a0\u5bfc\u901a\u53d1\u70ed\u3002<\/span><\/p>\n

    6.3 \u6548\u7387\u4f18\u5316\u6536\u76ca<\/span><\/h5>\n

    \u7535\u538b\u3001\u7535\u6d41\u53c2\u6570\u5339\u914d\u5408\u7406，\u540c\u65f6\u7cbe\u51c6\u5339\u914d<\/span>R<\/span>DS(on)<\/span>\u7684MOS\u9009\u578b+\u914d\u5957\u9a71\u52a8\u4f18\u5316，\u6574\u673a\u7cfb\u7edf\u6548\u7387\u53ef\u63d0\u53472%<\/span>~<\/span>5%，\u5668\u4ef6\u5de5\u4f5c\u6e29\u5347\u964d\u4f4e15<\/span>~<\/span>30\u2103，\u5927\u5e45\u5ef6\u957f\u8bbe\u5907\u4f7f\u7528\u5bff\u547d\u3002<\/span><\/p>\n

    \u4e03\u3001\u603b\u7ed3<\/span><\/h4>\n

    MOSFET\u9009\u578b\u4e0d\u80fd\u5355\u72ec\u4f9d\u9760\u8010\u538b\u6216\u7535\u6d41\u5355\u4e00\u53c2\u6570，\u5fc5\u987b\u4ee5<\/span>\u5168\u5de5\u51b5\u6f0f\u6e90\u7535\u538b\u5cf0\u503c<\/span>\u786e\u5b9a\u8010\u538b\u7b49\u7ea7，\u4ee5<\/span>\u7a33\u6001\/\u5cf0\u503c\u7535\u6d41+\u6563\u70ed\u964d\u989d<\/span>\u786e\u5b9a\u901a\u6d41\u89c4\u683c，\u6838\u5fc3\u8054\u52a8<\/span>R<\/span>DS(on)<\/span>\u8ba1\u7b97\u5bfc\u901a\u635f\u8017，\u540c\u65f6\u5339\u914d\u6805\u6781\u7535\u8377\u3001\u9a71\u52a8\u7535\u538b\u3001\u5bc4\u751f\u7535\u5bb9\u3001\u5c01\u88c5\u6563\u70ed\u5f62\u6210\u5b8c\u6574\u5339\u914d\u65b9\u6848\u3002<\/span><\/p>\n

    \u4f4e\u9891\u5927\u529f\u7387\u573a\u666f\u635f\u8017\u7531\u5bfc\u901a\u635f\u8017\u4e3b\u5bfc，\u6838\u5fc3\u9009\u578b\u6307\u6807\u4e3a\u4f4e<\/span>R<\/span>DS(on)<\/span>；\u9ad8\u9891\u9ad8\u538b\u573a\u666f\u5f00\u5173\u635f\u8017\u5360\u4f18，\u53ef\u9002\u5ea6\u653e\u5bbd\u901a\u6001\u7535\u963b\u8981\u6c42\u3002\u5e76\u8054\u3001\u9ad8\u4f4e\u6e29\u3001\u8f66\u8f7d\u7b49\u7279\u6b8a\u573a\u666f\u989d\u5916\u589e\u52a0<\/span>R<\/span>DS(on)<\/span>\u53c2\u6570\u4e00\u81f4\u6027\u4e0e\u6e29\u6f02\u4f59\u91cf\u6821\u9a8c，\u7ed3\u5408\u5bfc\u901a\u635f\u8017\u4eff\u771f\u4e0e\u53cc\u8109\u51b2\u5b9e\u6d4b\u8fed\u4ee3，\u6700\u7ec8\u5b9e\u73b0\u5668\u4ef6\u6027\u80fd\u3001\u6574\u673a\u6548\u7387\u3001\u7cfb\u7edfEMI\u4e0e\u957f\u671f\u53ef\u9760\u6027\u7684\u6700\u4f18\u5e73\u8861\u3002<\/span><\/p>\n

    \n","protected":false},"excerpt":{"rendered":"

    \u4e00\u3001\u524d\u8a00MOSFET\u662f\u5f00\u5173\u7535\u6e90\u3001\u7535\u673a\u9a71\u52a8\u3001\u5149\u4f0f\u9006\u53d8\u5668\u3001\u8f66\u8f7d\u7535\u63a7\u7b49\u5927\u529f\u7387\u7535\u529b\u7535\u5b50\u7cfb\u7edf\u6838\u5fc3\u5f00\u5173\u5668\u4ef6，\u5668\u4ef6\u9009\u578b\u76f4\u63a5\u51b3\u5b9a\u6574\u673a\u6548\u7387\u3001\u6e29\u5347\u3001EMI\u4e0e\u957f\u671f\u53ef\u9760\u6027\u3002MOSFET\u6838\u5fc3\u5de5\u4f5c\u7279\u6027\u5206\u4e3a\u6f0f\u6e90\u7535\u538b\u8010\u53d7\u7279\u6027\u3001\u901a\u6001\u7535\u6d41\u627f\u8f7d\u7279\u6027\u4e24\u5927\u7ef4\u5ea6，\u540c\u65f6\u6805\u6781\u9a71\u52a8\u7535\u538b\u3001\u9a71\u52a8\u7535\u6d41\u914d\u5957\u53c2\u6570\u3001\u5bc4\u751f\u7535\u5bb9\/\u6805\u6781\u7535\u8377\u3001\u5c01\u88c5\u6563\u70ed\u3001\u901a\u6001\u7535\u963bRDS(on)\u7b49\u53c2\u6570\u9700\u540c\u6b65\u5339\u914d\u3002\u672c\u6587\u7ed3\u5408\u5668\u4ef6\u7535\u6c14\u673a\u7406\u4e0e\u5de5\u7a0b\u5b9e\u6d4b\u6570\u636e，\u68b3\u7406\u57fa\u4e8e\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u6807\u51c6\u5316\u9009\u578b\u6d41\u7a0b，\u91cd\u70b9\u8865\u5145RDS(on)<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[217,270,269,202,442],"topic":[],"class_list":["post-85911","post","type-post","status-publish","format-standard","hentry","category-server","tag-stm32","tag-270","tag-269","tag-202","tag-442"],"yoast_head":"\n\u57fa\u4e8eMOSFET\u5de5\u4f5c\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u9009\u578b\u8bbe\u8ba1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/85911.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u57fa\u4e8eMOSFET\u5de5\u4f5c\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u9009\u578b\u8bbe\u8ba1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u4e00\u3001\u524d\u8a00MOSFET\u662f\u5f00\u5173\u7535\u6e90\u3001\u7535\u673a\u9a71\u52a8\u3001\u5149\u4f0f\u9006\u53d8\u5668\u3001\u8f66\u8f7d\u7535\u63a7\u7b49\u5927\u529f\u7387\u7535\u529b\u7535\u5b50\u7cfb\u7edf\u6838\u5fc3\u5f00\u5173\u5668\u4ef6，\u5668\u4ef6\u9009\u578b\u76f4\u63a5\u51b3\u5b9a\u6574\u673a\u6548\u7387\u3001\u6e29\u5347\u3001EMI\u4e0e\u957f\u671f\u53ef\u9760\u6027\u3002MOSFET\u6838\u5fc3\u5de5\u4f5c\u7279\u6027\u5206\u4e3a\u6f0f\u6e90\u7535\u538b\u8010\u53d7\u7279\u6027\u3001\u901a\u6001\u7535\u6d41\u627f\u8f7d\u7279\u6027\u4e24\u5927\u7ef4\u5ea6，\u540c\u65f6\u6805\u6781\u9a71\u52a8\u7535\u538b\u3001\u9a71\u52a8\u7535\u6d41\u914d\u5957\u53c2\u6570\u3001\u5bc4\u751f\u7535\u5bb9\/\u6805\u6781\u7535\u8377\u3001\u5c01\u88c5\u6563\u70ed\u3001\u901a\u6001\u7535\u963bRDS(on)\u7b49\u53c2\u6570\u9700\u540c\u6b65\u5339\u914d\u3002\u672c\u6587\u7ed3\u5408\u5668\u4ef6\u7535\u6c14\u673a\u7406\u4e0e\u5de5\u7a0b\u5b9e\u6d4b\u6570\u636e，\u68b3\u7406\u57fa\u4e8e\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u6807\u51c6\u5316\u9009\u578b\u6d41\u7a0b，\u91cd\u70b9\u8865\u5145RDS(on)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/85911.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-27T16:08:27+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/85911.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/85911.html\",\"name\":\"\u57fa\u4e8eMOSFET\u5de5\u4f5c\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u9009\u578b\u8bbe\u8ba1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-07-27T16:08:27+00:00\",\"dateModified\":\"2026-07-27T16:08:27+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/85911.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/85911.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/85911.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u57fa\u4e8eMOSFET\u5de5\u4f5c\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u9009\u578b\u8bbe\u8ba1\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u57fa\u4e8eMOSFET\u5de5\u4f5c\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u9009\u578b\u8bbe\u8ba1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/85911.html","og_locale":"zh_CN","og_type":"article","og_title":"\u57fa\u4e8eMOSFET\u5de5\u4f5c\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u9009\u578b\u8bbe\u8ba1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u4e00\u3001\u524d\u8a00MOSFET\u662f\u5f00\u5173\u7535\u6e90\u3001\u7535\u673a\u9a71\u52a8\u3001\u5149\u4f0f\u9006\u53d8\u5668\u3001\u8f66\u8f7d\u7535\u63a7\u7b49\u5927\u529f\u7387\u7535\u529b\u7535\u5b50\u7cfb\u7edf\u6838\u5fc3\u5f00\u5173\u5668\u4ef6，\u5668\u4ef6\u9009\u578b\u76f4\u63a5\u51b3\u5b9a\u6574\u673a\u6548\u7387\u3001\u6e29\u5347\u3001EMI\u4e0e\u957f\u671f\u53ef\u9760\u6027\u3002MOSFET\u6838\u5fc3\u5de5\u4f5c\u7279\u6027\u5206\u4e3a\u6f0f\u6e90\u7535\u538b\u8010\u53d7\u7279\u6027\u3001\u901a\u6001\u7535\u6d41\u627f\u8f7d\u7279\u6027\u4e24\u5927\u7ef4\u5ea6，\u540c\u65f6\u6805\u6781\u9a71\u52a8\u7535\u538b\u3001\u9a71\u52a8\u7535\u6d41\u914d\u5957\u53c2\u6570\u3001\u5bc4\u751f\u7535\u5bb9\/\u6805\u6781\u7535\u8377\u3001\u5c01\u88c5\u6563\u70ed\u3001\u901a\u6001\u7535\u963bRDS(on)\u7b49\u53c2\u6570\u9700\u540c\u6b65\u5339\u914d\u3002\u672c\u6587\u7ed3\u5408\u5668\u4ef6\u7535\u6c14\u673a\u7406\u4e0e\u5de5\u7a0b\u5b9e\u6d4b\u6570\u636e，\u68b3\u7406\u57fa\u4e8e\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u6807\u51c6\u5316\u9009\u578b\u6d41\u7a0b，\u91cd\u70b9\u8865\u5145RDS(on)","og_url":"https:\/\/www.wsisp.com\/helps\/85911.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-07-27T16:08:27+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"4 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/85911.html","url":"https:\/\/www.wsisp.com\/helps\/85911.html","name":"\u57fa\u4e8eMOSFET\u5de5\u4f5c\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u9009\u578b\u8bbe\u8ba1 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-07-27T16:08:27+00:00","dateModified":"2026-07-27T16:08:27+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/85911.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/85911.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/85911.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u57fa\u4e8eMOSFET\u5de5\u4f5c\u7535\u538b\u3001\u7535\u6d41\u7279\u6027\u7684\u9009\u578b\u8bbe\u8ba1"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/85911","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=85911"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/85911\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=85911"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=85911"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=85911"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=85911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}