{"id":2860,"date":"2019-10-27T14:53:44","date_gmt":"2019-10-27T14:53:44","guid":{"rendered":""},"modified":"2019-10-27T22:54:10","modified_gmt":"2019-10-27T14:54:10","slug":"%e5%9f%ba%e4%ba%8emip553%e8%8a%af%e7%89%87%e7%9a%84%e9%ab%98%e4%ba%ae%e5%ba%a6led%e9%a9%b1%e5%8a%a8%e7%94%b5%e6%ba%90%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=2860","title":{"rendered":"\u57fa\u4e8eMIP553\u82af\u7247\u7684\u9ad8\u4eae\u5ea6LED\u9a71\u52a8\u7535\u6e90\u8bbe\u8ba1"},"content":{"rendered":"

\n\t\u9488\u5bf9\u73b0\u6709LED<\/u>\u9a71\u52a8\u7535\u8def<\/u>\u5b58\u5728\u7535\u89e3\u7535\u5bb9<\/u>\u9650\u5236\u5bff\u547d\u7684\u4e0d\u8db3\uff0c\u63d0\u51fa\u4e86\u4e00\u79cd\u65e0\u7535\u89e3\u7535\u5bb9\u7684LED\u9a71\u52a8\u7535\u8def\u7684\u8bbe\u8ba1\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u91c7\u7528Panas<\/u>onic\u677e\u4e0b<\/u>MI<\/u>P553\u5185\u7f6ePFC<\/u>\u53ef\u8c03\u5149LED\u9a71\u52a8\u7535\u8def\u7684\u82af\u7247\uff0c\u4e0e\u5916\u90e8\u975e\u9694\u79bb\u5e95\u8fb9\u65a9\u6ce2\u7535\u8def\u5408\u6210<\/u>\u4f5c\u4e3a\u57fa\u672c\u7684\u7535\u8def\u7ed3\u6784\uff0c\u8f93\u51fa\u7a33\u5b9a\u7684\u7535\u6d41<\/u>\u7528\u4ee5\u6ee1\u8db3LED\u5de5\u4f5c\u7684\u9700\u8981\u3002\u540c\u65f6\u8bbe\u8ba1\u4fdd\u62a4\u7535\u8def<\/u>\u6765\u4fdd\u62a4\u8d1f\u8f7d\u3002\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0c\u63a7\u5236\u5668\u82af\u7247\u80fd\u7a33\u5b9a\u5de5\u4f5c\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b027V\u7684\u6052\u538b\u8f93\u51fa\u548c350mA\u7684\u6052\u6d41\u8f93\u51fa\u3002<\/p>\n

\n\tLED(\u53d1\u5149\u4e8c\u6781\u7ba1<\/u>)\u4ee5\u5176\u8282\u80fd\u3001\u73af\u4fdd\u3001\u9ad8\u4eae\u5ea6\u3001\u957f\u5bff\u547d\u7b49\u8bf8\u591a\u4f18\u70b9\u6210\u4e3a\u65b0\u4e00\u4ee3\u7684\u7eff\u8272\u7167\u660e\u5149\u6e90\u3002\u968f\u7740LED\u7167\u660e<\/u>\u6280\u672f\u7684\u65e5\u6e10\u6210\u719f\uff0c\u5b83\u7ec8\u5c06\u7528\u4e8e\u751f\u6d3b\u7684\u5404\u4e2a\u65b9\u9762\uff0c\u5e76\u6210\u4e3a\u7167\u660e\u5149\u6e90\u7684\u65b0\u5ba0\u3002\u7136\u800c\uff0c\u9ad8\u6548\u7387\u3001\u4f4e\u6210\u672c\u3001\u9ad8\u529f\u7387\u56e0\u6570\u548c\u957f\u5bff\u547d\u7684\u9a71\u52a8\u7535\u6e90\u662fLED\u706f\u53d1\u5149\u54c1\u8d28\u548c\u6574\u4f53\u6027\u80fd\u7684\u5173\u952e\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u73b0\u5728\u5e02\u9762\u4e0a\u66ff\u4ee3\u4e00\u822c\u706f\u6ce1\u7684LED\u706f\u662f\u767d\u70bd\u706f\u6ce1\u5bff\u547d\u7684\u7ea640\u500d\uff0c\u76f8\u5f53\u4e8e4\u4e07\u5c0f\u65f6\u3002\u7531\u4e8eLED\u662f\u76f4\u6d41\u7535\u6d41\u9a71\u52a8\u96f6\u4ef6\uff0c\u901a\u8fc7\u6d41\u8fc7\u7684\u7535\u6d41\uff0c\u76f4\u63a5\u5c06\u7535\u80fd\u8f6c\u53d8\u4e3a\u5149\u80fd\uff0c\u56e0\u6b64\u4e5f\u79f0\u4e3a\u5149\u7535\u8f6c\u6362\u5668\u3002\u56e0\u4e3a\u4e0d\u5b58\u5728\u6469\u64e6\u3001\u673a\u68b0<\/u>\u635f\u8017\uff0c\u6240\u4ee5\u5728\u8282\u80fd\u65b9\u9762\u6bd4\u4e00\u822c\u7684\u5149\u6e90\u7684\u6548\u7387\u9ad8\u3002\u4f46\u662f\uff0c\u5f53AC\u7535\u6e90\u63a5\u901a\u65f6\uff0c\u4e00\u822c\u662f\u4f7f\u7528\u6574\u6d41\u96f6\u4ef6\u548c\u5e73\u6ed1\u56de\u8def\u7684\u76f4\u6d41\u7a33\u5b9a\u5316\u7535\u6e90\uff0c\u8be5\u5e73\u6ed1\u56de\u8def\u4e2d\u5fc5\u8981\u7684\u7535\u89e3\u7535\u5bb9\u4f1a\u56e0\u5468\u56f4\u7684\u6e29\u5ea6\u53ca\u81ea\u8eab\u7684\u53d1\u70ed\u800c\u4e0a\u534710\u2103\uff0c\u800c\u5bfc\u81f4\u5bff\u547d\u51cf\u534a\u6240\u4ee5\u7535\u89e3\u7535\u5bb9\u963b\u788d\u4e86LED\u7167\u660e\u5668\u5177\u7684\u5bff\u547d\u3002<\/p>\n

\n\t\u4e3a\u4e86\u63d0\u9ad8\u9a71\u52a8\u7535\u6e90\u7684\u5bff\u547d\u3001\u7b80\u5316\u7535\u8def\u3001\u964d\u4f4e\u6210\u672c\u4ee5\u53ca\u63d0\u9ad8\u529f\u7387\u5bc6\u5ea6\uff0c\u6709\u5fc5\u8981\u53bb\u6389\u7535\u89e3\u7535\u5bb9\uff0c\u4e3a\u6b64\u6587\u4e2d\u63d0\u51fa\u4e00\u79cd\u65e0\u7535\u89e3\u7535\u5bb9\u7684\u9ad8\u4eae\u5ea6LED\u9a71\u52a8\u7535\u6e90\u3002<\/p>\n

\n\t1 LED\u7535\u6e90\u7684\u57fa\u672c\u5de5\u4f5c\u539f\u7406<\/p>\n

\n\t\u91c7\u7528BUCK\u53d8\u6362\u5668\u3001IPD\u63a7\u5236\u5b9e\u73b0\u5f00\u5173\u7535\u6e90<\/u>\uff0c\u8f93\u51fa\u6052\u5b9a\u7684\u7535\u6d41\u548c\u7535\u538b\uff0c\u9a71\u52a8LED\u706f\u3002\u7535\u8def\u7684\u603b\u4f53\u6846\u56fe\u5982\u56fe1\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eMIP553\u82af\u7247\u7684\u9ad8\u4eae\u5ea6LED\u9a71\u52a8\u7535\u6e90\u8bbe\u8ba1\"<\/p>\n

\n\t\u4e3b\u7535\u8def\u90e8\u5206\uff0c\u5728\u5e02\u7535\u4e4b\u540e\u7d27\u63a5\u7740\u63a5\u4e86\u4e00\u4e2a\u6ee4\u6ce2\u5668<\/u>\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u6ee4\u9664\u7535\u6e90\u4e2d\u7684\u9ad8\u6b21\u8c10\u6ce2\u4ee5\u53ca\u7535\u6e90\u4e2d\u7684\u6d6a\u6d8c\uff0c\u4f7f\u5f97\u63a7\u5236\u7535\u8def\u53d7\u7535\u6e90\u7684\u5e72\u6270\u5c0f\u3002\u8f93\u5165\u6574\u6d41\u90e8\u5206\u91c7\u7528\u4e00\u4f53\u5f0f\u7684\u6574\u6d41\u6865<\/u>\uff0c\u901a\u8fc7\u4e8c\u6781\u7ba1<\/u>\u7684\u5355\u5411\u5bfc\u901a\u7684\u7279\u6027\u5c06\u7535\u5e73\u5728\u96f6\u70b9\u4e0a\u4e0b\u6d6e\u52a8\u7684\u4ea4\u6d41\u7535\u8f6c\u6362\u4e3a\u5355\u5411\u7684\u8109\u52a8\u7684\u76f4\u6d41\u7535\uff0c\u518d\u5728\u6ee4\u6ce2\u7535\u5bb9\u548c\u7535\u611f<\/u>\u7684\u4f5c\u7528\u4e0b\uff0c\u8f93\u51fa\u76f4\u6d41\u7535\u538b\u3002\u7ecf\u8fc7MIP553\u548cBUCK\u7535\u8def\u7684\u8c03\u8282\u548c\u63a7\u5236\u540e\u8f93\u51fa\u4f9bLED\u4f7f\u7528\u7684\u7535\u538b\u3002<\/p>\n

\n\t2 LED\u7535\u6e90\u7684\u5177\u4f53\u8bbe\u8ba1<\/p>\n

\n\t2.1 \u8f93\u5165\u7535\u8def\u7684\u8bbe\u8ba1<\/p>\n

\n\t\u4e3a\u4e86\u5ef6\u957fLED\u9a71\u52a8\u7535\u6e90\u7684\u4f7f\u7528\u5bff\u547d\uff0c\u4f7f\u4e4b\u4e0eLED\u76f8\u5339\u914d\uff0c\u5fc5\u987b\u8981\u53bb\u9664\u7535\u8def\u4e2d\u7684\u7535\u89e3\u7535\u5bb9\u3002<\/p>\n

\n\t\u7535\u8def\u7684\u8bbe\u8ba1\u6307\u6807\u4e3a\uff1a\u8f93\u5165\u4ea4\u6d41\u7535\u538bVm\uff1a198—264VAC\/50Hz;\u8f93\u51fa\u7535\u538bVo\uff1a27VDC;\u8f93\u51fa\u7535\u6d41Io\uff1a0.35A\u3002<\/p>\n

\n\t\u8f93\u5165\u7535\u8def\u5305\u62ec\u566a\u58f0\u6ee4\u6ce2\u88c5\u7f6e\u3001\u5b89\u5168\u4fdd\u9669\u88c5\u7f6e\u4ee5\u53ca\u8f93\u5165\u6574\u6d41\u88c5\u7f6e\uff0c\u5982\u56fe2\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eMIP553\u82af\u7247\u7684\u9ad8\u4eae\u5ea6LED\u9a71\u52a8\u7535\u6e90\u8bbe\u8ba1\"<\/p>\n

\n\t\u566a\u58f0\u6ee4\u6ce2\u88c5\u7f6e\u4e3b\u8981\u7531\u7535\u5bb9C1\/C2\/C3\u548c\u7535\u611fL1\u7ec4\u6210\uff0c\u5176\u4f5c\u7528\u662f\u5728\u5c0f\u4e8e1MHz\u7684\u9891\u6bb5\u5185\uff0c\u80fd\u591f\u51cf\u5c11\u7535\u78c1\u5e72\u6270(EMI)\u3002\u6b64\u88c5\u7f6e\u4e5f\u53ef\u4ee5\u94fe\u63a5\u5728AC\u4ea4\u6d41\u4e4b\u540e\uff0c\u6574\u6d41\u88c5\u7f6e\u4e4b\u524d\uff0c\u5176\u6ee4\u6ce2\u6548\u679c\u662f\u4e00\u6837\u7684\u3002\u5b89\u5168\u4fdd\u9669\u88c5\u7f6e\u7531\u4fdd\u9669\u4e1d<\/u>\u548cZNR1\u7ec4\u6210\uff0c\u4fdd\u9669\u4e1d\u4e3b\u8981\u9632\u6b62\u6709\u5371\u5bb3\u7535\u8def\u7684\u5c16\u5cf0\u7535\u6d41\u4ea7\u751f\u7684\u65f6\u5019\u8fc5\u901f\u5207\u65ad\u7535\u8def\u4ee5\u4fdd\u62a4\u8d1f\u8f7d;ZNR1\u662f\u6d6a\u6d8c\u5438\u6536\u5668\uff0c\u5bf9\u4e8e\u6765\u81ea\u8f93\u5165\u7aef\u7684\u9759\u7535\u548c\u6d6a\u6d8c\u8fdb\u884c\u5438\u6536\uff0c\u4ee5\u6b64\u6765\u4fdd\u62a4\u540e\u9762\u7684\u7535\u8def\u3002\u8f93\u5165\u6574\u6d41\u88c5\u7f6e\uff0c\u662f\u5c06\u4ea4\u6d41\u7535\u8f6c\u6362\u6210\u76f4\u6d41\u7535\uff0c\u8f93\u5165\u6574\u6d41\u6865\u7684\u9009\u62e9\uff1a\u6574\u6d41\u6865\u4e8c\u6781\u7ba1\u7684\u7535\u538b\u5e94\u529b<\/u>\u4e3a\uff1a<\/p>\n

\n\t\"\u57fa\u4e8eMIP553\u82af\u7247\u7684\u9ad8\u4eae\u5ea6LED\u9a71\u52a8\u7535\u6e90\u8bbe\u8ba1\"<\/p>\n

\n\t\u8003\u8651\u88d5\u91cf\uff0c\u9009\u7528TSC GBL205(VR<\/u>=600V\uff0cIF<\/u>AN=1A)\u3002<\/p>\n

\n\t2.2 \u8f93\u51fa\u7535\u8def\u7684\u8bbe\u8ba1<\/p>\n

\n\t\u8f93\u51fa\u7535\u8def\u7531\u57fa\u672c\u7684BUCK\u7535\u8def\u548c\u4e00\u4e2a\u7a33\u538b\u4e8c\u6781\u7ba1DD1\u7ec4\u6210\u3002\u5982\u56fe3\u6240\u793a\u3002<\/p>\n

\n\t2.2.1 BUCK\u53d8\u6362\u5668\u53ca\u5176\u4f18\u52bf<\/p>\n

\n\tBuck\u53d8\u6362\u5668\u53c8\u79f0\u4e3a\u964d\u538b\u53d8\u6362\u5668\u3001\u4e32\u8054\u5f00\u5173\u7a33\u538b\u5668<\/u>\u3001\u4e09\u7aef\u5f00\u5173<\/u>\u578b\u964d\u538b\u7a33\u538b\u5668\uff0c\u662f\u4e00\u79cd\u8f93\u51fa\u7535\u538b\u7b49\u4e8e\u6216\u5c0f\u4e8e\u8f93\u5165\u7535\u538b\u7684\u5355\u7ba1\u975e\u9694\u79bbDC\/DC<\/u>\u53d8\u6362\u5668\u3002<\/p>\n

\n\t\"\u57fa\u4e8eMIP553\u82af\u7247\u7684\u9ad8\u4eae\u5ea6LED\u9a71\u52a8\u7535\u6e90\u8bbe\u8ba1\"<\/p>\n

\n\t\u5de5\u4f5c\u4e2d\u7684\u8f93\u5165\u7535\u6d41is\uff0c\u5728\u5f00\u5173\u95ed\u5408\u65f6\uff0cis>0;\u5728\u5f00\u5173\u6253\u5f00\u65f6\uff0cis=0\uff0c\u6545is\u662f\u8109\u52a8\u7684\uff0c\u4f46\u8f93\u51fa\u7535\u6d41io\u5728\u7535\u611f\u3001\u4e8c\u6781\u7ba1\u3001\u7535\u5bb9\u7684\u4f5c\u7528\u4e0b\u5374\u662f\u8fde\u7eed\u7684\u3001\u5e73\u7a33\u7684\u3002\u7279\u522b\u9002\u5408\u4e3aLED\u63d0\u4f9b\u5de5\u4f5c\u7535\u6d41\u3002<\/p>\n

\n\tFRD1\u7684\u9009\u62e9\u6807\u51c6\uff1a\u989d\u5b9a\u7535\u6d41\u5927\u4e8e2\u500d\u7684\u8f93\u51fa\u7535\u6d41\uff0c\u989d\u5b9a\u7535\u538b\u5927\u4e8e\u8f93\u5165\u7535\u538b\uff0c\u5176\u53cd\u5411\u6062\u590d\u65f6\u95f4\u4e5f\u8981\u5728100ns\u4ee5\u5185\uff0c\u8003\u8651\u88d5\u91cf\uff0cFRD1\u7684\u53c2\u6570\u4e3a\uff1a15A\uff0c600V\uff0ctrr=50ns\u3002\u7528\u7c7b\u4f3c\u7684\u65b9\u6cd5\u9009\u62e9T1\u548cCout\uff0c\u90a3\u4e48\u5176\u53c2\u6570\u5206\u522b\u4e3a\uff1aT1\uff1a680μH;Cout\uff1a1μF\uff0c50V\u3002<\/p>\n

\n\t2.2.2 \u7a33\u538b\u4e8c\u6781\u7ba1DD1<\/p>\n

\n\t\u5728\u4f4e\u8f93\u5165\u7535\u538b\u7684\u67d0\u8303\u56f4\u5185\uff0c\u82e5\u6ca1\u6709\u50cfDD1\u7684\u8fd9\u79cd\u53cd\u5411\u88c5\u7f6e\uff0c\u90a3\u4e48\u5728\u5f00\u5173\u5173\u65ad\u7684\u77ac\u95f4\u5c06\u4f1a\u6709\u53cd\u5411\u7535\u6d41\u6d41\u8fc7IPD\uff0c\u800cIPD\u662f\u4e0d\u5141\u8bb8\u6709\u8fd9\u79cd\u7535\u6d41\u7684\uff0c\u56e0\u4e3a\u8fd9\u79cd\u53cd\u5411\u7535\u6d41\u5c06\u4f1a\u5bfc\u81f4IPD\u7684\u635f\u574f\u3002<\/p>\n

\n\tDD1\u6240\u53d7\u5230\u7684\u5404\u5e94\u529b\uff1aIDD>2·Io=2×0.35=0.7A\uff0cUDD>Uo\uff0c\u53cd\u5411\u6062\u590d\u65f6\u95f4trr<100ns\u3002\u8003\u8651\u88d5\u91cf\uff0c\u5176\u9009\u62e9\u7684\u53c2\u6570\u4e3a\uff1a3A\/60V\/75ns\u3002<\/p>\n

\n\t2.2.3 \u4fdd\u62a4\u7535\u8def<\/p>\n

\n\tMIP553\u5185\u7f6e\u8fc7\u538b\u3001\u8fc7\u6d41\u3001\u8fc7\u70ed\u3001LED\u77ed\u8def\u7684\u4fdd\u62a4\u7535\u8def\uff0c\u4f46\u5e76\u65e0LED\u5f00\u8def<\/u>\u65f6\u4fdd\u62a4\u7535\u8def\u7684\u8bbe\u8ba1\u3002LED\u5f00\u8def\u65f6\u7684\u4fdd\u62a4\u7535\u8def\u7684\u601d\u60f3\u4e3b\u8981\u6709\u7a33\u538b\u4e8c\u6781\u7ba1\u4fdd\u62a4\u3001\u4e09\u6781\u7ba1<\/u>\u4fdd\u62a4\u3001\u504f\u538b\u7ebf\u5708\u4fdd\u62a4\u7b49\uff0c\u8003\u8651\u5230\u6210\u672c\u548c\u7ed3\u6784\uff0c\u6587\u4e2d\u9009\u62e9\u5177\u6709\u7a33\u538b\u4e8c\u6781\u7ba1\u7684\u4fdd\u62a4\u7535\u8def\u3002\u5176\u7535\u8def\u56fe\u5982\u56fe3\u6240\u793a\u3002\u5f53LED\u5f00\u8def\u65f6\uff0c\u8f93\u51fa\u7535\u538b\u4e0a\u5347\uff0c\u82e5\u8f93\u51fa\u7535\u8def\u6709\u7a33\u538b\u4e8c\u6781\u7ba1\u7684\u4fdd\u62a4\u7535\u8def\uff0c\u90a3\u4e48\u7a33\u538b\u4e8c\u6781\u7ba1\u5c06LED\u7684\u7535\u538b\u5d4c\u4f4d\u5728\u4e8c\u6781\u7ba1\u7684\u538b\u964d\u4e4b\u4e0b\uff0c\u8fd9\u6837\u5c31\u80fd\u9632\u6b62\u8f93\u51fa\u7535\u5bb9\u7684\u6bc1\u574f\u3002<\/p>\n

\n\t2.3 \u63a7\u5236\u7535\u8def\u7684\u8bbe\u8ba1<\/p>\n

\n\t\u63a7\u5236\u7535\u8def\u7531MIP553\u53ca\u5176\u5916\u56f4\u7535\u8def\u7ec4\u6210\uff0c\u5982\u56fe4\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eMIP553\u82af\u7247\u7684\u9ad8\u4eae\u5ea6LED\u9a71\u52a8\u7535\u6e90\u8bbe\u8ba1\"<\/p>\n

\n\tMIP553\u82af\u7247\u5b9e\u73b0\u5bbd\u7535\u538b85\uff5e277V\/AC\u8f93\u5165\uff0c\u5185\u7f6eMOS\uff0c\u7ed3\u6784\u7b80\u5355\u3001\u7a33\u5b9a\uff0c\u53ef\u4e0d\u9700\u8981\u7535\u89e3\u7535\u5bb9\uff0c\u652f\u6301\u9694\u79bb\u6216\u975e\u9694\u79bb\u65b9\u6848\uff0c\u5355\u7535\u6e90\u8f93\u51fa\u529f\u73876\uff5e30W\uff0c\u6052\u5b9a\u7535\u6d41\u8f93\u51fa<1A\u3002\u7535\u6e90\u5177\u6709\u8fc7\u538b\u3001\u8fc7\u6d41\u3001\u8fc7\u70ed\u4fdd\u62a4\u529f\u80fd\uff0c\u5b89\u5168\u7a33\u5b9a\u6027\u9ad8\uff0c\u4f53\u79ef\u5c0f\uff0c\u53d1\u70ed\u91cf\u4f4e\uff0c\u7535\u6e90\u6548\u7387≥80%\uff0c\u529f\u7387\u56e0\u6570≥95%\uff0cTHD<20%\u3002<\/p>\n

\n\tMIP553\u7684\u6f0f\u6781\u7535\u6d41\u7531\u5f15\u811aCL\u548cEX\u63a7\u5236\uff0c\u56e0\u6b64\u8fde\u63a5\u8fd9\u4e24\u4e2a\u5f15\u811a\u7684\u7535\u963b<\/u>RCL\u3001REX\u7684\u8bbe\u7f6e\u5c06\u76f4\u63a5\u5f71\u54cd\u6f0f\u6781\u7535\u6d41\u7684\u5927\u5c0f\u3002\u6700\u5927\u6f0f\u6781\u7535\u6d41\u53ef\u7531REX\u6765\u786e\u5b9a\uff0c\u8003\u8651\u5230\u8fd9\u4e2a\u6700\u5927\u6f0f\u6781\u7535\u6d41\u8981\u6d41\u7ecfLED\uff0c\u56e0\u6b64\u8bbe\u7f6e\u53c2\u8003\u503c\u65f6\u5e94\u8be5\u6ce8\u610f\u3002<\/p>\n

\n\tREX=(VDD(ON)-VEXH)\/IEX=(6.5-2.8)\/103=36kΩ (3)<\/p>\n

\n\t\u5176\u4e2d\uff0c\u5047\u8bbe\u8f93\u5165\u7535\u538b100V\uff0c\u8f93\u51fa\u7535\u538b28V\uff0c\u7535\u6d41\uff1a400mA\uff0c\u6700\u5927\u6f0f\u6781\u7535\u6d41\u8bbe\u4e3a1.0A\u3002<\/p>\n

\n\tCVDD\u3001CEX\u3001CCL\u7684\u4f5c\u7528\u662f\u7a33\u5b9aMIP553\u7684\u8fd0\u884c\u3001\u6291\u5236\u5916\u90e8\u566a\u58f0\u3002\u56e0\u6b64\uff0c\u5176\u503c\u8981\u9009\u62e9\u5f97\u5f53\u3002CVDD\uff0c\u7a33\u5b9aVDD\u7684\u7535\u538b\u3001\u6291\u5236LED\u7684\u95ea\u70c1\uff0c\u7279\u6027\u4e0d\u53d7\u6e29\u5ea6\u5f71\u54cd\u3001\u4e0d\u4ea7\u751f\u989d\u5916\u7684\u566a\u58f0\uff0c\u53c2\u8003\u6807\u51c6\u503c\u4e3a1\uff5e10μF\u4e4b\u95f4;CEX\uff0c\u6291\u5236\u5916\u90e8\u566a\u58f0\u8fdb\u5165EX\u5f15\u811a\uff0c\u5176\u53c2\u8003\u6807\u51c6\u503c\u5728470\uff5e1000pF\u4e4b\u95f4;CCL\uff0c\u6291\u5236\u5916\u90e8\u566a\u58f0\u8fdb\u5165CL\u5f15\u811a\uff0c\u5982\u679c\u5176\u503c\u592a\u5927\u7684\u8bdd\uff0c\u90a3\u4e48pF\u503c\u5c06\u4f1a\u53d7\u5230\u4e25\u91cd\u7684\u5f71\u54cd\uff0c\u56e0\u6b64\u5176\u503c\u5e94\u5c0f\u4e8e1000pF\u3002<\/p>\n

\n\t2.4 \u4eff\u771f\u7ed3\u679c<\/p>\n

\n\t\u5229\u7528Multi<\/u>sim\u5bf9\u7535\u8def\u8fdb\u884c\u4eff\u771f\uff0c\u5f97\u5230\u7684\u7ed3\u679c\u5982\u56fe5\u6240\u793a\u3002<\/p>\n

\n\t\"\u57fa\u4e8eMIP553\u82af\u7247\u7684\u9ad8\u4eae\u5ea6LED\u9a71\u52a8\u7535\u6e90\u8bbe\u8ba1\"<\/p>\n

\n\t\u4ece\u56fe5\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u8f93\u51fa\u7535\u538b\u7a33\u5b9a\u572827V\uff0c\u7535\u6d41\u7a33\u5b9a\u57280-35A\uff0c\u7b26\u5408\u8bbe\u8ba1\u8981\u6c42\u3002<\/p>\n

\n\t3 LED\u7535\u6e90\u7684\u6311\u6218<\/p>\n

\n\tLED\u4f5c\u4e3a\u65b0\u578b\u7684\u7535\u5149\u6e90\uff0c\u5728\u5236\u4f5c\u5927\u578b\u53d1\u5149\u7acb\u4f53\u5b57\u548c\u53d1\u5149\u6807\u8bc6\u4e2d\u6709\u7740\u660e\u663e\u7684\u4f18\u52bf\uff0c\u5176\u63a7\u5236\u7535\u538b\u4f4e\uff0c\u6210\u672c\u4f4e\uff0c\u53ef\u9760\u6027\u9ad8\u3002\u867d\u7136LED\u4ea7\u54c1\u5728\u56fd\u5185\u5916\u5e02\u573a\u6709\u7740\u6108\u6f14\u6108\u70c8\u7684\u53d1\u5c55\u8d8b\u52bf\uff0c\u4f46\u662fLED\u7167\u660e\u6bd5\u7adf\u662f\u65b0\u5174\u7684\u4ea7\u4e1a\uff0c\u76ee\u524d\u8fd8\u6ca1\u6709\u5e7f\u6cdb\u7684\u666e\u53ca\uff0c\u56e0\u6b64LED\u9a71\u52a8\u7535\u6e90\u4e0d\u53ef\u907f\u514d\u7684\u5728\u5404\u65b9\u9762\u5b58\u5728\u7740\u6311\u6218\uff1a\u9996\u5148\uff0c\u7531\u4e8eLED\u7684\u6b63\u5411\u7535\u538b\u4f1a\u968f\u7740\u7535\u6d41\u548c\u6e29\u5ea6\u800c\u53d8\u5316\uff0c\u5176“\u8272\u70b9”\u4e5f\u4f1a\u968f\u7740\u7535\u6d41\u548c\u6e29\u5ea6\u800c\u6f02\u79fb\uff0c\u4e3a\u4e86\u4fdd\u8bc1LED\u7684\u6b63\u5e38\u5de5\u4f5c\uff0c\u5c31\u8981\u6c42\u5176\u9a71\u52a8\u5668\u65e0\u8bba\u5728\u8f93\u5165\u6761\u4ef6\u548c\u6b63\u5411\u7535\u538b\u5982\u4f55\u53d8\u5316\u7684\u60c5\u51b5\u4e0b\u90fd\u8981\u9650\u5236\u7535\u6d41\u3002\u5176\u6b21\uff0c\u5982\u679c\u9700\u8981LED\u8c03\u5149\uff0c\u901a\u5e38\u91c7\u7528\u7684\u662f\u8109\u5bbd\u8c03\u5236\u8c03\u5149\u6280\u672f\uff0c\u5178\u578b\u7684PWM\u9891\u7387\u662f1\uff5e3kHz\u3002\u6700\u540e\uff0cLED\u9a71\u52a8\u7535\u8def\u7684\u529f\u7387\u5904\u7406\u80fd\u529b\u5fc5\u987b\u5145\u8db3\uff0c\u4e14\u529f\u80fd\u5f3a\u56fa\uff0c\u53ef\u4ee5\u627f\u53d7\u591a\u79cd\u6545\u969c\u6761\u4ef6\uff0c\u6613\u4e8e\u5b9e\u73b0\u3002<\/p>\n

\n\t4 \u7ed3\u675f\u8bed<\/p>\n

\n\tLED\u662f\u4e00\u79cd\u8282\u80fd\u3001\u9ad8\u6548\u3001\u73af\u4fdd\u7684\u7eff\u8272\u7167\u660e\uff0c\u5bf9\u5b83\u7684\u9a71\u52a8\u7535\u8def\u7814\u7a76\u975e\u5e38\u91cd\u8981\u3002\u6587\u4e2d\u4ecb\u7ecd\u4e86\u5229\u7528MIP553\u8fdb\u884c\u8bbe\u8ba1\u7684LED\u9a71\u52a8\u7535\u6e90\uff0c\u5e76\u901a\u8fc7\u4eff\u771f\u8bc1\u660e\u4e86\u5176\u8f93\u51fa\u7535\u6d41\u7684\u7a33\u5b9a\u6027\uff0c\u6709\u5f88\u597d\u7684\u5e94\u7528\u524d\u666f\u3002
\n\t\u6765\u6e90\uff1b21ic<\/p>\n","protected":false},"excerpt":{"rendered":"

\u9488\u5bf9\u73b0\u6709 LED \u9a71\u52a8 \u7535\u8def \u5b58\u5728\u7535\u89e3 \u7535\u5bb9 \u9650\u5236\u5bff\u547d\u7684\u4e0d\u8db3\uff0c\u63d0\u51fa\u4e86\u4e00\u79cd\u65e0\u7535\u89e3\u7535\u5bb9\u7684LED\u9a71\u52a8\u7535\u8def\u7684\u8bbe\u8ba1\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u91c7\u7528Pa nas onic \u677e\u4e0b MI P553\u5185\u7f6e PFC \u53ef\u8c03\u5149LED\u9a71\u52a8\u7535\u8def\u7684\u82af\u7247\uff0c\u4e0e\u5916\u90e8\u975e\u9694<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2860"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2860"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/2860\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2860"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}