{"id":6754,"date":"2021-11-14T16:42:36","date_gmt":"2021-11-14T08:42:36","guid":{"rendered":"http:\/\/www.szryc.com\/?p=6754"},"modified":"2021-11-14T16:42:57","modified_gmt":"2021-11-14T08:42:57","slug":"%e4%bb%8e%e6%ba%90%e5%a4%b4%e8%a7%a3%e5%86%b3%e7%94%b5%e6%ba%90%e7%9a%84emi%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=6754","title":{"rendered":"\u5404\u5382\u5546\u5982\u4f55\u4ece\u6e90\u5934\u89e3\u51b3\u7535\u6e90\u7684EMI\u95ee\u9898"},"content":{"rendered":"<p>\u7535\u6e90\u7684\u5f00\u5173\u4ea4\u6d41\u7535\u6d41\uff0c\u7535\u6d41\u4ece\u96f6\u5207\u6362\u81f3\u5cf0\u503c\uff0c\u7136\u540e\u518d\u56de\u5230\u96f6\uff0c\u56e0\u6b64\u5b83\u6709\u6700\u9ad8\u7684\u4ea4\u6d41\u7535\u6d41\u548cEMI\u80fd\u91cf\u3002\u6b64\u5916\uff0c\u5728\u7535\u8def\u5de5\u4f5c\u65f6\uff0c\u5f00\u5173\u77ac\u53d8\u901a\u8fc7\u5bc4\u751f\u7535\u963b\u3001\u7535\u611f\u548c\u7535\u5bb9\u7684\u8026\u5408\u4f5c\u7528\u4ea7\u751f\u9ad8\u9891\u8c10\u6ce2\u3002\u8fc7\u4ee5\u4e0a\u5206\u6790\uff0c\u6211\u4eec\u4e86\u89e3\u4e86EMI\u4ea7\u751f\u7684\u539f\u56e0\uff0c\u90a3\u600e\u4e48\u624d\u80fd\u964d\u4f4e\u6216\u9884\u9632EMI\u5462\uff1f<\/p>\n<p>\u4ece\u7535\u6e90\u7535\u8def\u8bbe\u8ba1\u4e0a\u770b\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u964d\u4f4eEMI\uff0c\u5305\u62ec\uff1a\u5c3d\u91cf\u51cf\u5c11PCB\u4e0a\u70ed\u56de\u8def\u7684\u9762\u79ef\uff0c\u5e76\u964d\u4f4e\u7535\u5bb9\u548c\u7535\u611f\u81ea\u8eab\u53caPCB\u8d70\u7ebf\u5f15\u5165\u7684\u5bc4\u751f\u963b\u6297\uff08\u8fd9\u79cd\u65b9\u5f0f\u5bf9\u5e03\u5c40\u548c\u5668\u4ef6\u53c2\u6570\u6709\u8981\u6c42\uff0c\u800c\u4e14\u6539\u5584EMI\u7684\u6548\u679c\u6bd4\u8f83\u6709\u9650\uff09\uff1b\u901a\u8fc7\u51cf\u6162\u5185\u90e8\u5f00\u5173\u9a71\u52a8\u5668\u6216\u5916\u90e8\u6dfb\u52a0\u7f13\u51b2\u5668\uff0c\u964d\u4f4eMOSFET\u7684\u5f00\u5173\u901f\u5ea6\uff08\u8fd9\u79cd\u65b9\u5f0f\u4f1a\u589e\u52a0\u5f00\u5173\u635f\u8017\uff0c\u964d\u4f4e\u8f6c\u6362\u5668\u7684\u6548\u7387\uff09\uff1b\u91c7\u7528\u5c55\u9891(SSFM)\u6280\u672f\uff0c\u4f7fEMI\u80fd\u91cf\u88ab\u6253\u6563\u5206\u5e03\u5728\u7535\u8def\u7684\u6574\u4e2a\u9891\u57df\u5185\uff08\u4f46\u8fd9\u6837\u4f1a\u5728\u5df2\u77e5\u8303\u56f4\u5185\u5f15\u8d77\u7cfb\u7edf\u65f6\u949f\u6296\u52a8\uff09\uff1b\u4e5f\u53ef\u91c7\u7528\u6dfb\u52a0\u6ee4\u6ce2\u5668\u6216\u5c4f\u853d\u7684\u529e\u6cd5\u6765\u964d\u4f4eEMI\uff08\u4f46\u8fd9\u9700\u8981\u66f4\u591a\u7684\u5916\u90e8\u5143\u4ef6\u548c\u7535\u8def\u677f\u9762\u79ef\uff09\u3002<\/p>\n<p>\u6700\u597d\u7684\u529e\u6cd5\u5c31\u662f\u4e0d\u9700\u8981\u529e\u6cd5\u2014\u2014\u7535\u6e90\u4e3b\u7535\u8def\u65b9\u6848\u672c\u8eab\u5145\u5206\u8003\u8651\u4e86EMI\u95ee\u9898\uff0c\u5728\u4e0d\u5f71\u54cd\u7535\u6e90\u6027\u80fd\u548c\u589e\u52a0\u5916\u90e8\u5143\u5668\u4ef6\u7684\u524d\u63d0\u4e0b\u6765\u6709\u6548\u5730\u51cf\u5c11EMI\u3002\u8fd9\u5c31\u662fADI\u7684\u4e13\u5229\u6280\u672f\u00a0--\u00a0Silent\u00a0Switcher\u76f8\u5173\u7cfb\u5217\u7535\u6e90\u65b9\u6848\u7684\u8bbe\u8ba1\u521d\u8877\u3002<\/p>\n<p><strong>\u5982\u4f55\u4ece\u6839\u6e90\u89e3\u51b3EMI\u95ee\u9898<\/strong><\/p>\n<p>\u9488\u5bf9\u90e8\u5206\u7535\u78c1\u654f\u611f\u7684\u8bbe\u5907\u6216\u7cfb\u7edf\u6765\u8bf4\uff0c\u901a\u5e38\u4f1a\u91c7\u7528 LDO \u800c\u4e0d\u662f\u5f00\u5173\u7535\u6e90\uff0c\u4ece\u800c\u9650\u5236 EMI\uff0c\u4f46\u662f\u8fd9\u53c8\u4f1a\u5bfc\u81f4\u6548\u7387\u4e0b\u964d\u7b49\u4e0d\u5229\u5f71\u54cd\u3002\u6709\u6ca1\u6709\u53ef\u4ee5\u663e\u8457\u89e3\u51b3 EMI \u95ee\u9898\uff0c\u5e76\u4e14\u65e0\u9700\u592a\u591a\u989d\u5916\u8bbe\u8ba1\u5f00\u9500\uff0c\u540c\u65f6\u53c8\u53ef\u4ee5\u91c7\u7528\u9ad8\u6548\u7387\u5f00\u5173\u7535\u6e90\u7684\u89e3\u51b3\u65b9\u6848\u5462\uff1f<\/p>\n<p><strong>\u201c\u89e3\u51b3 EMI \u76f8\u5173\u95ee\u9898\u7684\u5173\u952e\u662f\u4ece\u6e90\u5934\u5165\u624b\u3002<\/strong><strong>\u201d\u00a0<\/strong>Ramadass \u8bf4\u9053\u3002<\/p>\n<p>EMI 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\u5668\u4ef6\uff0c\u4e0d\u8c0b\u800c\u5408\u3002<\/p>\n<h2><b>\u4e00\u3001\u521b\u65b0\u6280\u672f<\/b><b>Silent\u00a0Switcher<\/b><b>\u4ece\u6839\u672c\u4e0a\u6d88\u9664EMI\u6e90<\/b><\/h2>\n<p>ADI\u7684Silent\u00a0Switcher\u6280\u672f\u91c7\u7528\u4e24\u4e2a\u5bf9\u79f0\u5206\u5e03\u7684\u8f93\u5165\u70ed\u56de\u8def\uff0c\u8fd9\u4e24\u4e2a\u56de\u8def\u4ea7\u751f\u78c1\u573a\u65b9\u5411\u662f\u76f8\u53cd\u7684\uff0c\u80fd\u91cf\u76f8\u4e92\u62b5\u6d88\uff0c\u4ece\u800c\u7535\u6c14\u56de\u8def\u5bf9\u5916\u6ca1\u6709\u51c0\u78c1\u573a\uff08\u5982\u4e0b\u56fe\uff09\u3002\u56e0\u6b64\uff0cSilent\u00a0Switcher\u6280\u672f\u65e0\u9700\u964d\u4f4eMOSFET\u7684\u5f00\u5173\u901f\u5ea6\uff0c\u89e3\u51b3\u4e86EMI\u548c\u6548\u7387\u4e4b\u95f4\u7684\u6743\u8861\u95ee\u9898\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6756\" title=\"8eae66bca298a0b30ea97655e9e066a6\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/8eae66bca298a0b30ea97655e9e066a6.jpg\" alt=\"8eae66bca298a0b30ea97655e9e066a6\" width=\"600\" height=\"183\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/8eae66bca298a0b30ea97655e9e066a6.jpg 600w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/8eae66bca298a0b30ea97655e9e066a6-300x92.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><i>Silent\u00a0Switcher\u62d3\u6251\uff08\u53f3\u56fe\uff09<\/i><\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6757\" title=\"3c0889683582ad1043fe05995b277657\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/3c0889683582ad1043fe05995b277657.jpg\" alt=\"3c0889683582ad1043fe05995b277657\" width=\"600\" height=\"311\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/3c0889683582ad1043fe05995b277657.jpg 600w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/3c0889683582ad1043fe05995b277657-300x156.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><i>Silent\u00a0Switcher\u7535\u78c1\u611f\u5e94\u793a\u610f\u56fe<\/i><\/p>\n<p>\u6b64\u5916\uff0cSilent\u00a0Switcher\u6280\u672f\u91c7\u7528\u521b\u65b0\u7684\u94dc\u67f1\u5012\u88c5\u5c01\u88c5\u5de5\u827a\uff0c\u8fd9\u79cd\u5de5\u827a\u53ef\u4ee5\u5927\u5927\u964d\u4f4e\u82af\u7247\u7ba1\u811a\u7684\u5bc4\u751f\u963b\u6297\uff0c\u5728\u964d\u4f4eEMI\u7684\u540c\u65f6\uff0c\u53ef\u4ee5\u63d0\u5347\u8f6c\u6362\u5668\u7684\u6548\u7387\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6758\" title=\"ca98fe17c99e10f835f7aef1868ce85e\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/ca98fe17c99e10f835f7aef1868ce85e.jpg\" alt=\"ca98fe17c99e10f835f7aef1868ce85e\" width=\"600\" height=\"282\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/ca98fe17c99e10f835f7aef1868ce85e.jpg 600w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/ca98fe17c99e10f835f7aef1868ce85e-300x141.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><i>\u94dc\u67f1\u5012\u88c5<\/i><i>\u5c01\u88c5\uff08\u53f3\u56fe\uff09\u4e0e\u4f20\u7edf\u5c01\u88c5\u7684\u5bf9\u6bd4<\/i><\/p>\n<p>\u76ee\u524d\uff0cADI\u7684Silent\u00a0Switcher\u6280\u672f\u5df2\u7ecf\u53d1\u5c55\u5230\u7b2c2\u4ee3\uff0c\u7b2c1\u4ee3\u6280\u672fSilent\u00a0Switcher\u00a01(\u5982LT8614)\u9700\u8981\u5728\u82af\u7247\u4e24\u4fa7\u7684VIN\u00a0\u548cGND\u4e4b\u95f4\u5206\u522b\u653e\u7f6e\u4e00\u4e2a\u8f93\u5165\u7535\u5bb9\uff0c\u5e76\u4e14\u8981\u6c42\u4e24\u4fa7\u7535\u5bb9\u4e0e\u5bf9\u5e94\u7684VIN\u548cGND\u7ba1\u811a\u56f4\u6210\u7684\u73af\u8def\u5c3d\u91cf\u5c0f\u4e14\u5bf9\u79f0\uff0c\u5bf9\u7535\u8def\u5e03\u5c40\u5e03\u7ebf\u548c\u7535\u5bb9\u7684\u4e00\u81f4\u6027\u6709\u4e00\u5b9a\u8981\u6c42\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6761\" title=\"573090b6aa1b7d8a5d97be0bb6fac315\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/573090b6aa1b7d8a5d97be0bb6fac315.jpg\" alt=\"573090b6aa1b7d8a5d97be0bb6fac315\" width=\"600\" height=\"229\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/573090b6aa1b7d8a5d97be0bb6fac315.jpg 600w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/573090b6aa1b7d8a5d97be0bb6fac315-300x115.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><i>Silent\u00a0Switcher\u00a01\u7684<\/i><i>\u5bf9\u7535\u8def<\/i><i>\u5e03\u5c40<\/i><i>\u4ecd\u6709\u4e00\u5b9a\u8981\u6c42<\/i><\/p>\n<p>Silent\u00a0Switcher\u00a0\u7b2c\u4e8c\u4ee3\u4ea7\u54c1\u5c06\u4e24\u4e2a\u8f93\u5165\u70ed\u56de\u8def\u4e2d\u9700\u8981\u5bf9\u79f0\u653e\u7f6e\u7684\u7535\u5bb9\u96c6\u6210\u5728\u82af\u7247\u7684\u5185\u90e8\uff0c\u964d\u4f4e\u4e86Silent\u00a0Switcher\u5bf9\u7535\u6e90\u7535\u8def\u5e03\u5c40\u7684\u654f\u611f\u6027\uff0c\u51cf\u5c11\u4e86\u5916\u90e8\u5143\u4ef6\uff0c\u540c\u65f6\u53ef\u7f29\u5c0f\u70ed\u56de\u8def\u7684\u9762\u79ef\uff0c\u964d\u4f4eEMI\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6759\" title=\"8e50a4edba146626936d1e3c634c9ab9\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/8e50a4edba146626936d1e3c634c9ab9.jpg\" alt=\"8e50a4edba146626936d1e3c634c9ab9\" width=\"600\" height=\"305\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/8e50a4edba146626936d1e3c634c9ab9.jpg 600w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/8e50a4edba146626936d1e3c634c9ab9-300x153.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><i>Silent\u00a0Switcher\u00a02\u5185\u90e8\u96c6\u6210\u4e86\u70ed\u56de\u8def\u7535\u5bb9<\/i><i>\uff0c\u8bbe\u8ba1\u66f4\u7b80\u5355<\/i><\/p>\n<p>\u53e6\u5916\uff0cADI\u4e5f\u63a8\u51fa\u4e86\u91c7\u7528Silent\u00a0Switcher\u6280\u672f\u7684\u03bcModule\u7a33\u538b\u5668\u5fae\u578b\u6a21\u5757\u5316\u7535\u6e90\u7cfb\u5217\uff0c\u5185\u90e8\u96c6\u6210MOS\u548c\u529f\u7387\u7535\u611f\uff0c\u5982LTM4700\u3001LTM8071\u3001LTM8024\u3001LTM8078\u7b49\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u7b80\u5355\u53ef\u9760\u3001\u9ad8\u6027\u80fd\u548c\u9ad8\u7535\u6e90\u5bc6\u5ea6\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<h2><span style=\"font-size: 12pt;\"><b>\u4f20\u7edf\u7535\u6e90\u65b9\u6848\u4e0e<\/b><b>Silent\u00a0Switcher\u6280\u672f\u7684EMC<\/b><b>\u6bd4\u8f83<\/b><\/span><\/h2>\n<p>\u5728\u4e0d\u589e\u52a0\u5f00\u5173\u5bfc\u901a\u65f6\u95f4\u7684\u524d\u63d0\u4e0b\uff0c\u5927\u5927\u964d\u4f4e\u5f00\u5173\u8282\u70b9\u4fe1\u53f7\u4e0a\u5347\u6cbf\u7684\u632f\u94c3\uff0c\u4ece\u800c\u964d\u4f4eEMI.\u00a0\u4e0b\u4e0b\u56fe\u662f\u91c7\u7528Silent\u00a0Switcher\u6280\u672f\u7684LT8614\u548c\u4f20\u7edf\u7684\u964d\u538b\u8f6c\u6362\u5668LT8610\u5728\u540c\u7b49\u6761\u4ef6\u4e0b\u7684\u6ce2\u5f62\u5bf9\u6bd4\u3002\u91c7\u7528Silent\u00a0Switcher\u00a02\u6280\u672f\u53ef\u4ee5\u505a\u5230\u66f4\u5feb\u7684\u5bfc\u901a\u65f6\u95f4\u548c\u66f4\u4f4e\u7684\u632f\u94c3\u3002<\/p>\n<p>\u4e0b\u56fe\u662fLT8610\u548cLT8614\u5728\u76f8\u540c\u6761\u4ef6\u4e0b\u8fdb\u884cEMC\u6d4b\u8bd5\u7684\u5bf9\u6bd4\uff0c\u53ef\u4ee5\u770b\u5230\uff0c\u76f8\u5bf9EMC\u8868\u73b0\u4e0d\u9519\u7684LT8610\uff0cLT8614\u7684EMI\u66f4\u4f4e\uff0c\u591a\u51fa\u5927\u7ea620dB\u7684\u88d5\u91cf\u3002<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6760\" title=\"ca5d637200fd5fd93ac2843ca4e19003\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/ca5d637200fd5fd93ac2843ca4e19003.jpg\" alt=\"ca5d637200fd5fd93ac2843ca4e19003\" width=\"424\" height=\"398\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/ca5d637200fd5fd93ac2843ca4e19003.jpg 424w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/ca5d637200fd5fd93ac2843ca4e19003-300x282.jpg 300w\" sizes=\"(max-width: 424px) 100vw, 424px\" \/><\/div>\n<p><i>LT8614\u4e0e<\/i><i>LT8610\u00a0EMC\u6d4b\u8bd5\u7ed3\u679c\u5bf9\u6bd4<\/i><\/p>\n<p>\u91c7\u7528Silent\u00a0Switcher\u00a02\u7684\u8f6c\u6362\u5668EMI\u6c34\u5e73\u66f4\u4f4e\uff0c\u57282\u5c42PCB\u4e0a\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4e25\u683c\u7684CISPR\u00a025\u00a0Class\u00a05\u6d4b\u8bd5\u3002\u53ef\u9009\u7684\u6269\u5c55\u9891\u8c31\u8c03\u5236\u529f\u80fd\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u964d\u4f4eEMI\u3002\u4f8b\u5982LT8640S\u540c\u6b65\u964d\u538b\u7a33\u538b\u5668\u5c31\u91c7\u7528\u4e86\u7b2c\u4e8c\u4ee3\u8d85\u4f4e\u566a\u58f0\u5f00\u5173\u7a33\u538b\u5668\u67b6\u6784\uff0c\u6700\u5927\u7a0b\u5ea6\u5730\u964d\u4f4e\u4e86EMI\u8f90\u5c04\uff0c\u5176\u4e2d\u5305\u542b\u96c6\u6210\u65c1\u8def\u7535\u5bb9\u4ee5\u4f18\u5316\u5185\u90e8\u6240\u6709\u5feb\u901f\u7535\u6d41\u73af\uff0c\u5e76\u901a\u8fc7\u964d\u4f4e\u5e03\u5c40\u654f\u611f\u6027\u8f7b\u677e\u5b9e\u73b0\u5ba3\u4f20\u7684EMI\u6027\u80fd\u3002\u56e0\u6b64LT8640S\u975e\u5e38\u9002\u5408\u566a\u58f0\u654f\u611f\u5e94\u7528\u548c\u73af\u5883\u3002<\/p>\n<div class=\"post-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6762\" title=\"cacfd3487ba587a19b53ad4057e60d01\" src=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/cacfd3487ba587a19b53ad4057e60d01.png\" alt=\"cacfd3487ba587a19b53ad4057e60d01\" width=\"720\" height=\"267\" srcset=\"http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/cacfd3487ba587a19b53ad4057e60d01.png 720w, http:\/\/www.szryc.com\/wp-content\/uploads\/2021\/11\/cacfd3487ba587a19b53ad4057e60d01-300x111.png 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/div>\n<p><i>LT8640S<\/i><i>\u5e94\u7528\u7535\u8def\u5916\u56f4\u7535\u8def\u8bbe\u8ba1\u975e\u5e38\u7b80\u5355<\/i><\/p>\n<p><span style=\"font-size: 18pt;\"><strong>\u4e8c\u3001\u96c6\u6210\u6709\u6e90\u6ee4\u6ce2\u5668\u548c\u53cc\u968f\u673a\u6269\u9891\u6280\u672f<\/strong><\/span><\/p>\n<p>TI \u63d0\u4f9b\u591a\u79cd\u529f\u80fd\u548c\u6280\u672f\u6765\u964d\u4f4e\u6240\u6709\u76f8\u5173\u9891\u6bb5\u7684 EMI\uff0c\u5176\u521b\u65b0\u7684\u6280\u672f\u4f18\u52bf\u4e3b\u8981\u8868\u73b0\u5728\uff1a<\/p>\n<ul class=\"list-paddingleft-2\">\n<li><strong>\u6539\u8fdb\u7684\u6ee4\u6ce2\u5668\u5c3a\u5bf8\u548c\u6210\u672c\uff1a<\/strong>\u5148\u8fdb\u7684\u6269\u9891\u548c\u6709\u6e90 EMI \u6291\u5236\u6280\u672f\u53ef\u964d\u4f4e\u4ea7\u751f\u7684 EMI \u7684\u5f71\u54cd\uff1b<\/li>\n<li><strong>\u51cf\u5c11\u8bbe\u8ba1\u65f6\u95f4\u5e76\u964d\u4f4e\u8bbe\u8ba1\u590d\u6742\u6027\uff1a<\/strong>\u8986\u6676\u5c01\u88c5\u3001\u7535\u5bb9\u5668\u96c6\u6210\u548c\u5148\u8fdb\u7684\u6805\u6781\u9a71\u52a8\u5668\u6280\u672f\u53ef\u4ece\u6839\u672c\u4e0a\u964d\u4f4e\u6e90\u6781\u4ea7\u751f\u7684\u566a\u58f0\u3002<\/li>\n<\/ul>\n<p>TI \u5728 2021 \u5e74\u65b0\u63a8\u51fa\u7684 LM25149-Q1\uff0c\u662f TI \u9996\u6b3e\u96c6\u6210\u6709\u6e90\u6ee4\u6ce2\u5668\u7684\u82af\u7247\u3002\u76f8\u6bd4\u5916\u7f6e\u6709\u6e90\u6ee4\u6ce2\u5668\uff0c\u6574\u4f53\u9762\u79ef\u53ef\u7f29\u5c0f 50% \u4ee5\u4e0a\u3002\u4e0e\u6807\u51c6\u65e0\u6e90\u6ee4\u6ce2\u5668\u76f8\u6bd4\uff0c\u6709\u6e90\u6ee4\u6ce2\u5668\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u6c34\u5e73\u7684 EMI \u8870\u51cf\u548c\u66f4\u5c0f\u5c3a\u5bf8\u7684 \u03c0 \u6ee4\u6ce2\u5668\u3002\u6709\u6e90\u6ee4\u6ce2\u5668\u5177\u6709\u589e\u76ca\u9ad8\u3001\u5e26\u5bbd\u5bbd\u3001\u8f93\u51fa\u963b\u6297\u4f4e\u3001\u53ef\u4ee5\u4ea7\u751f\u548c\u5438\u6536\u7535\u6d41\uff0c\u68c0\u6d4b\u76f4\u6d41\u603b\u7ebf\u4e0a\u7684\u4efb\u4f55\u6270\u52a8\uff0c\u5e76\u6ce8\u5165\u4e0e\u566a\u58f0\u6e90\u76f8\u53cd\u7684\u4fe1\u53f7\u4ece\u800c\u62b5\u6d88\u5e72\u6270\u3002LM25149-Q1 \u53ef\u5728\u8d1f\u8f7d\u7535\u6d41 &gt;40% \u7684\u65f6\u5019\u81ea\u52a8\u542f\u52a8\u6709\u6e90\u7535\u78c1\u5e72\u6270\u6ee4\u6ce2\u5668\uff0c\u8d1f\u8f7d\u7535\u6d41 &lt;30% \u65f6\u5019\u5219\u4f1a\u81ea\u52a8\u7981\u7528\u6709\u6e90\u6ee4\u6ce2\u5668\u3002<\/p>\n<div class=\"post-image\"><img decoding=\"async\" class=\"delay_img\" src=\"https:\/\/img.21ic.com\/weixin\/tr\/2021-07\/19\/376ltxjy903.jpg\" alt=\"\u6280\u672f\u5e72\u8d27\u00a0|\u00a0\u89e3\u51b3\u00a0EMI\u00a0\u95ee\u9898\uff0c\u9700\u4ece\u6e90\u5934\u5165\u624b\" data-src=\"7cb3rqnv5LVGaoWjpv1J3BXXGzUaLWL+5kxiLjye41reu9RRnvMed5kF4tHHzsZrohpEEG7AMaceKKpz38oRAgJOysRPGJ9D3ABgEs9z6FNlSHurPgE\" \/><\/div>\n<p>\u53e6\u5916\uff0cLM25149-Q1 \u4f7f\u7528\u4e86\u53cc\u968f\u673a\u6269\u9891\u6280\u672f\uff0c\u5c06\u4f4e\u9891\u7684\u4e09\u89d2\u8c03\u5236\u4e0e\u9ad8\u9891\u7684\u4f2a\u968f\u673a\u8c03\u5236\u76f8\u7ed3\u5408\uff0c\u5206\u522b\u63d0\u9ad8\u4e86\u4f4e\u9891\u6bb5\u548c\u9ad8\u9891\u6bb5\u7684 EMI \u6027\u80fd\u3002\u8be5\u4ea7\u54c1\u9664\u4e86\u5728 EMI \u4e0a\u5177\u6709\u663e\u8457\u4f18\u52bf\u4e4b\u5916\uff0c<strong>\u5728\u8c03\u6574\u7387\u3001\u6548\u7387\u3001\u6e29\u5347\u53ca\u7eb9\u6ce2\u7b49\u6027\u80fd\u6307\u6807\u4e0a\u90fd\u6709\u7740\u51fa\u8272\u8868\u73b0\u3002<\/strong><\/p>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u5305\u62ec LMQ61460 \u96c6\u6210\u4e86\u65c1\u8def\u7535\u5bb9\u5668\uff0cTPS25850-Q1 \u5229\u7528\u4e86\u6269\u9891\u9891\u7387\u6296\u52a8\u6280\u672f\uff0cLM5157-Q1 \u5219\u63d0\u4f9b\u4e86\u5305\u62ec DRSS\u3001\u5916\u90e8\u65f6\u949f\u540c\u6b65\u4ee5\u53ca 2.2MHz \u5f00\u5173\u529f\u80fd\u7b49\uff0cUCC12050 \u96c6\u6210\u4e86\u4e13\u7528\u7684\u53d8\u538b\u5668\u7b49\u7b49\uff0c<strong>TI \u9488\u5bf9\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\uff0c\u4e0d\u540c\u7684 EMI \u73b0\u573a\uff0c\u63d0\u4f9b\u5404\u7c7b\u7ec4\u5408\uff0c\u4f7f\u5de5\u7a0b\u5e08\u53ef\u4ee5\u66f4\u6709\u9488\u5bf9\u6027\u7684\u8fdb\u884c EMI \u7684\u6539\u5584\u3002<\/strong><\/p>\n<div class=\"post-image\"><img decoding=\"async\" class=\"delay_img\" src=\"https:\/\/img.21ic.com\/weixin\/tr\/2021-07\/19\/406jgipl972.jpg\" alt=\"\u6280\u672f\u5e72\u8d27\u00a0|\u00a0\u89e3\u51b3\u00a0EMI\u00a0\u95ee\u9898\uff0c\u9700\u4ece\u6e90\u5934\u5165\u624b\" data-src=\"365bROwIEvCejSAfROgRv\/BsZQxdNRS5rnoEPsZOO4KJvFAzwt7h5gZu9ZUFUi\/SdS9ujZrrSDSI2AZXziIWssyQKq8O5mpn39fBdvX7FMtatID2eqs\" \/><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7535\u6e90\u7684\u5f00\u5173\u4ea4\u6d41\u7535\u6d41\uff0c\u7535\u6d41\u4ece\u96f6\u5207\u6362\u81f3\u5cf0\u503c\uff0c\u7136\u540e\u518d\u56de\u5230\u96f6\uff0c\u56e0\u6b64\u5b83\u6709\u6700\u9ad8\u7684\u4ea4\u6d41\u7535\u6d41\u548cEMI\u80fd\u91cf\u3002\u6b64\u5916\uff0c\u5728\u7535\u8def\u5de5\u4f5c\u65f6\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/6754"}],"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=6754"}],"version-history":[{"count":2,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/6754\/revisions"}],"predecessor-version":[{"id":6764,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/6754\/revisions\/6764"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6754"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}