{"id":636,"date":"2018-08-14T07:42:29","date_gmt":"2018-08-14T07:42:29","guid":{"rendered":""},"modified":"2018-08-14T15:43:10","modified_gmt":"2018-08-14T07:43:10","slug":"%e7%b4%a7%e5%87%91%e5%9e%8b180w%e5%bc%80%e5%85%b3%e7%94%b5%e6%ba%90%e7%9a%84%e4%bc%a0%e5%af%bc%e6%b5%8b%e8%af%95%e6%a1%88%e4%be%8b%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=636","title":{"rendered":"\u7d27\u51d1\u578b180W\u5f00\u5173\u7535\u6e90\u7684\u4f20\u5bfc\u6d4b\u8bd5\u6848\u4f8b\u5206\u6790"},"content":{"rendered":"

\n\t\u8001\u5e08\uff0cinterleave\uff0dpfc\u548cLLC\u67b6\u6784\uff0c150kHz\u548c200kHz\u4f20\u5bfc\u6709\u95ee\u9898\uff0c\u6ee1\u8f7dpfc\u5de5\u4f5c\u9891\u7387\u5728100k\uff0cLLC\u7684\u5de5\u4f5c\u9891\u7387\u572880kHz\uff0c\u73b0\u5728\u4e3b\u8981\u662f200KHZ\u8fd9\u91cc\u8d85\u6807\uff1b\u5de5\u4f5c\u53d1\u70ed\u540e\uff01\u8bf7\u95ee\u4e00\u4e0b\u80fd\u7d66\u70b9\u610f\u89c1\u5417\uff1f\u8c22\u8c22\u3002<\/p>\n

\n\t1\uff0e\u9879\u76ee\u53c2\u8003\u539f\u7406\u56fe\u5982\u4e0b\uff1a<\/p>\n

\n\t<\/p>\n

\n\t2\uff0e\u6d4b\u8bd5\u4f20\u5bfc\u66f2\u7ebf\u5982\u4e0b\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u901a\u8fc7\u4e0a\u9762\u7684\u6d4b\u8bd5\u4f20\u5bfc\u66f2\u7ebf\u53ef\u4ee5\u770b\u51fa\uff1a\u4f20\u5bfc\u5728\u4f4e\u9891\u90e8\u5206\u65f6\uff1c1MHZ\u65f6\u4e3b\u8981\u662f\u5dee\u6a21\u5e72\u6270\u4e3a\u4e3b\uff1b\u8fdb\u884cEMI<\/span>\u7684\u5feb\u901f\u8bbe\u8ba1\u548c\u9a8c\u8bc1\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u4f18\u5316\u4e00\u4e0b\u8f93\u5165\u6ee4\u6ce2\u5668\u7684\u53c2\u6570\u5c31\u80fd\u641e\u5b9a\u8bbe\u8ba1\uff1b\u6bd4\u5982\u5bf9\u4e8e\u5dee\u6a21\u5e72\u6270\uff0c\u6211\u4eec\u53ef\u4ee5\u589e\u52a0X\u7535\u5bb9\u5bb9\u91cf\uff0c\u8c03\u6574\u5dee\u6a21\u7535\u611f\uff0c\u9002\u5f53\u589e\u52a0\u5171\u6a21\u7535\u611f\u7684\u611f\u91cf\u90fd\u53ef\u4ee5\u901a\u8fc7\u8bbe\u8ba1\uff01\u4f46\u8fd9\u4e2a\u9879\u76ee\u663e\u7136\u6709\u70b9\u5f02\u5e38\uff0c\u5176\u521d\u59cb\u6d4b\u8bd5\u65f6\u4f20\u5bfc\u6ca1\u6709\u8d85\u6807\uff0c\u5de5\u4f5c\u53d1\u70ed\u540e\u8d85\u68075dB\uff1b \u7531\u6b64\u8981\u641e\u6e05\u695a\u8d85\u6807\u7684\u539f\u7406\u518d\u8fdb\u884c\u5bf9\u7b56\u5206\u6790\uff01<\/p>\n

\n\t3\uff0e\u5206\u6790\u8f93\u5165EMI \u6ee4\u6ce2\u7535\u8def\u53ca\u5173\u952e\u53c2\u6570\u8bbe\u8ba1\uff1a<\/p>\n

\n\t<\/p>\n

\n\t<\/p>\n

\n\t\u8fdb\u884c\u4e0a\u8ff0\u76f8\u5173\u6d4b\u8bd5\u7ed3\u679c\u53cd\u9988\uff1a\u7b2c\u4e00\u9897\u662f900uH\u7b2c\u4e8c\u9897\u662f14mH\u73b0\u5728\u662f\u4ea7\u54c1\u5f00\u70ed\u624d\u4f1a\u53d8\u5dee\u521a\u5f00\u59cb\u6d4b\u7684\u65f6\u5019 \u5927\u6982\u6709\uff0d5dB \u6e29\u5ea6\u70ed\u8d77\u6765\u540e 200KHZ \u8fd9\u91cc\u5c31\u6162\u6162\u53d8\u5dee\u4e86\u5176\u4ed6\u9891\u6bb5\u6ca1\u95ee\u9898 \uff1b\u6211\u628a\u7b2c\u4e8c\u9897\u6539\u523018mH \u6ca1\u6709\u5e2e\u52a9\uff01<\/p>\n

\n\t\u6d4b\u8bd5\u4f18\u5316\uff1a\u5c06\u7b2c\u4e00\u9897\u6539\u52301\uff0e5mH \u518d\u628ax\u7535\u5bb9\u6539\u4e3a1\uff0e5uF\u5c31\u53ef\u4ee5\u89e3\u51b3\uff01<\/p>\n

\n\t\u673a\u7406\u5206\u6790\uff1a\u6d4b\u8bd5\u4e00\u4e0b\u7cfb\u7edf\u7684\u7684\u7b2c\u4e00\u7ea7\uff06\u7b2c\u4e8c\u7ea7\u7684\u5171\u6a21\u7535\u611f\uff0c\u5b83\u7684\u6e29\u5347\u5dee\u5f02\u6216\u6e29\u5ea6\u53d8\u5316\u60c5\u51b5\uff1b\u518d\u6216\u8005\u4e24\u4e2a\u5171\u6a21\u7535\u611f\u5de5\u4f5c\u8d77\u6765\u540e\u6e29\u5ea6\u5747\u4f1a\u5f88\u9ad8\uff01<\/p>\n

\n\t1\uff0e\u8ddf\u7535\u8def\u677f<\/span>\u7684\u5b89\u88c5\u548c\u7cfb\u7edf\u6563\u70ed\u6709\u5173\u7cfb\u3002\u540c\u65f6\u6839\u636e\u7535\u6d41\u7684\u65b9\u5411\uff1a\u7528\u53f3\u624b\u6cd5\u5219 \u5224\u65ad\u4e00\u4e0b \u4e24\u4e2a\u5171\u6a21\u7535\u611f\u7684\u78c1\u573a\u65b9\u5411\u3002<\/p>\n

\n\t2\uff0e2\u7ea7\u5171\u6a21\u7535\u611f \u7406\u8bba\u4e0a\u7684\u8bbe\u8ba1\u5b89\u88c5\u6e29\u5ea6 \u4e0d\u4f1a\u8d85\u8fc75\u5ea6\u5de6\u53f3<\/p>\n

\n\t3\uff0e \u68c0\u67e5\u4ea7\u54c1\u7684\u7b2c\u4e00\u7ea7 \u548c \u7b2c\u4e8c\u7ea7\u7684\u5171\u6a21 \u7535\u611f \u5728PCB\u4e0a\u7684\u5c01\u88c5\u662f\u5426\u4e00\u6837\uff1f<\/p>\n

\n\t\u770b\u662f\u5426\u6709\u53ef\u80fd\u5c06\u7535\u611f\u91cf\u5927\u7684\u653e\u5728\u7b2c\u4e00\u7ea7\uff0c\u540e\u9762\u653e\u5c0f\u7684\u3002 \u8c03\u6362\u4e00\u4e0b\u4f4d\u7f6e\uff01<\/p>\n

\n\t\u68c0\u67e5\u4ea7\u54c1\u7684\u7ed3\u6784\u60c5\u51b5\u53d1\u73b0\u662f\u9002\u914d\u5668\u7684\u7ed3\u6784\uff0c\u7a7a\u95f4\u4f53\u79ef\u5c0f\uff1b\u6563\u70ed\u662f\u8f83\u5927\u7684\u95ee\u9898\uff01\u5373\u5171\u6a21\u7535\u611f\u5c01\u88c5\u4e0d\u4e00\u6837\u7b2c\u4e00\u9897\u662f13\uff0a7\uff0a5   \u7b2c\u4e8c\u9897\u662f22\uff0a14\uff0a10 \u5982\u4e0b\u56fe\uff1a<\/p>\n

\n\t<\/p>\n

\n\t\u8bbe\u8ba1\u5e08\u53cd\u9988\u7cfb\u7edf\u7684\u786e\u8ba4\u6e29\u5ea6\u4e24\u5171\u6a21\u7535\u611f\u6e29\u5ea6\u5dee\u4e0d\u591a \u4f46\u662f\u9ad8\u6e29\u7684\u65f6\u5019\u5df2\u7ecf\u5230105\u5ea6\u4e86\uff0c\u8fd8\u6709\u4e0a\u5347\u7684\u8d8b\u52bf\uff01<\/strong><\/p>\n

\n\tA\uff0e\u8fdb\u884c\u5171\u6a21\u7535\u611f\u7684\u8bbe\u8ba1\u89c4\u683c\u53c2\u6570\u5206\u6790\uff1a<\/p>\n

\n\t900uH\uff0d0\uff0e75mm<\/p>\n

\n\t<\/p>\n

\n\t14mH\uff0d0\uff0e8mm<\/p>\n

\n\t<\/p>\n

\n\t\u901a\u8fc7\u63d0\u4f9b\u7684\u5171\u6a21\u7535\u611f\u7684\u53c2\u6570\u60c5\u51b5\u6211\u786e\u8ba4\u5171\u6a21\u7535\u611f\u7684\u7535\u6d41\u53ca\u78c1\u82af\u9009\u7528\uff0c\u6ca1\u6709\u95ee\u9898\uff1b\u5171\u6a21\u7535\u611f\u5de5\u4f5c\u7406\u8bba\u4e0a\u662f\u4e0d\u4f1a\u6709\u8fd9\u4e48\u9ad8\u7684\u6e29\u5ea6\uff01\u8fdb\u884c\u7cfb\u7edf\u7684\u8fd9\u4e2a\u70ed\u6e90\u5206\u6790\uff1a\u6563\u70ed\u5668\u65c1\u8fb9\u90a3\u9897\u5c0f\u7684\u662f\u5171\u6a21 \u5927\u7684\u4e5f\u662f\u5171\u6a21\u6700\u5de6\u8fb9\u7684\u662fBD\u540e\u9762\u7684\u5dee\u6a21\uff1b\u5c0f\u73af\u662f\u53cc\u7ebf\u5e76\u7ed5\u90a3\u4e48\u6d4b\u8bd5\u7684\u5171\u6a21\u7535\u611f\u7684\u6e29\u5ea6 \u662f\u7531\u4e8ePFC\u7535\u611f\u548cLLC\u53d8\u538b\u5668 \u70ed\u8f90\u5c04\u5f15\u8d77\u7684\u3002\u8fd9\u4e2a\u6709\u53ef\u80fd \u56e0\u4e3a\u662f\u65e0\u98ce\u7684\u8bbe\u8ba1\uff01\u7cfb\u7edf\u6574\u4f53\u7684\u6e29\u5ea6\u90fd\u5f88\u9ad8\uff01\uff01<\/p>\n

\n\t\u9ad8\u6e29\u4f1a\u5e26\u6765\u5171\u6a21\u7535\u611f\u7684\u54ea\u4e9b\u7ec6\u8282\u53c2\u6570\u7684\u53d8\u5316\uff1f\u5206\u6790\u5982\u4e0b\uff1a<\/p>\n

\n\t\u5171\u6a21<\/strong>\u7535<\/strong>\u611f\u7528\u7684\u78c1\u82af\u6750\u6599\u7684\u6e29\u5ea6\u7279\u6027\u5206\u6790<\/strong><\/p>\n

\n\t<\/p>\n

\n\t<\/p>\n

\n\t\u7531\u4e0b\u56fe\u53ef\u77e5\u5bfc\u78c1\u7387ui\u5230\u67d0\u4e2a\u6e29\u5ea6\u8303\u56f4\u7684\u65f6\u5019\u4f1a\u6025\u5267\u4e0b\u964d\uff01<\/strong><\/p>\n

\n\t<\/p>\n

\n\t\u7ed3\u8bba\uff1a\u6e29\u5ea6\u7279\u6027\u4f1a\u5f71\u54cd\u5171\u6a21\u7535\u611f\u6750\u6599\u7684\u5bfc\u78c1\u7387\uff1b\u4ece\u800c\u5f71\u54cd\u5171\u6a21\u7535\u611f\u7684\u963b\u6297\u7279\u6027\uff01<\/p>\n

\n\t\u5171\u6a21\u7535\u611f\u7684\u78c1\u82af \u53d7\u6e29\u5ea6\u53d8\u5316 \u5176\u5bfc\u78c1\u7387\u53d1\u751f\u53d8\u5316\uff1b\u5176\u7535\u611f\u91cf\u968f\u7740\u6e29\u5ea6\u7684\u53d8\u5316\u800c\u53d8\u5316\u4e0b\u964d\uff01\u4ece\u6d4b\u8bd5\u7684\u66f2\u7ebf\u4e3b\u8981\u662f\u4f4e\u9891\u7684\u5f71\u54cd\u6700\u5927\uff1b\u7528\u4e0b\u9762\u7684\u65b9\u6cd5\u6539\u5584\uff1a<\/strong><\/p>\n

\n\t1\uff0e\u628a\u524d\u7ea7\u7684X\u7535\u5bb9 \u518d\u589e\u5927\uff0c\u589e\u52a0\u52301\uff0e5uF\uff0f2uF<\/p>\n

\n\t2\uff0e\u628a\u6574\u6d41\u540e\u7684\u5dee\u6a21 \u7535\u611fL1\u7684\u611f\u91cf\u518d\u589e\u5927<\/p>\n

\n\t3\uff0e\u6700\u597d\u7684\u4f18\u5316\u65b9\u6cd5\u66f4\u6539\u7b2c\u4e00\u7ea7\u7684\u5171\u6a21\u7535\u611f\u4e3a1\uff0e5mH\uff0d5mH\u7559\u6709\u8db3\u591f\u7684\u8bbe\u8ba1\u88d5\u91cf\uff01<\/p>\n

\n\t4\uff0e\u5982\u679c\u6709\u6761\u4ef6\u80fd\u964d\u4f4e\u7cfb\u7edf\u7684\u6e29\u5ea6\u8bbe\u8ba1\u8fd8\u80fd\u5e26\u6765\u66f4\u597d\u7684\u53ef\u9760\u6027\u8bbe\u8ba1\u95ee\u9898\uff01<\/p>\n

\n\t\u5b9e\u9645\u7684\u6d4b\u8bd5\u7ed3\u679c\uff1a<\/strong><\/p>\n

\n\t\u5728\u5b9e\u9645\u6d4b\u8bd5\u65f6\u5c06\u7b2c\u4e00\u7ea7\u7684\u5171\u6a21\u7535\u611f\u6539\u62101\uff0e5mH \u518d\u914d\u5408x\u7535\u5bb9\u6539\u5927 \u6548\u679cok\uff01<\/strong><\/p>\n

\n\t\u603b\u7ed3\uff1a<\/strong><\/p>\n

\n\t\u6211\u7684EMI<\/span>\u7684\u4f20\u5bfc\u7684\u5feb\u901f\u8bbe\u8ba1\u7406\u8bba\uff1a\u8fd8\u662f\u63a8\u8350\u4f19\u4f34\u4eec\uff0c\u4f18\u5316EMI\u6ee4\u6ce2\u5668\u6765\u641e\u5b9a\u8bbe\u8ba1\uff01\u5728\u6563\u70ed\u6761\u4ef6\u4e0d\u4f73\u7684\u60c5\u51b5\u4e0b\uff0c\u8981\u6ce8\u610f\u9ad8\u6e29\u5bf9\u78c1\u6027\u53c2\u6570\u7684\u5f71\u54cd\uff1b<\/strong><\/p>\n

\n\t\u66f4\u591a\u6280\u672f\u8bbe\u8ba1\u5e94\u7528\u53ca\u6280\u672f\u4ea4\u6d41\uff1b\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7<\/strong><\/p>\n

\n\t\u300a<\/strong>\u5f00\u5173\u7535\u6e90\uff1aEMC\u7684\u5206\u6790\u4e0e\u8bbe\u8ba1<\/strong>\u300b<\/strong><\/p>\n

\n\t\u5982\u9700\u4e86\u89e3\u66f4\u591a\u5e94\u7528\u7ec6\u8282 \uff06 EMC\u76f8\u5173\uff0d6\u5927\u8bbe\u8ba1\u7cfb\u5217\uff1a<\/strong><\/p>\n

\n\t<\/p>\n","protected":false},"excerpt":{"rendered":"

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