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padding: 0px; font-size: 22px; font-weight: normal; color: rgb(0, 0, 0); font-family: \u5fae\u8f6f\u96c5\u9ed1;\">\n\t\u4e00\u4f53\u5316\u53cc\u5411 IC \u89e3\u51b3\u65b9\u6848<\/h2>\n<p 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\tLTC3871 \u662f\u4e00\u6b3e\u53cc\u5411 100 V\/30 V \u4e24\u76f8\u540c\u6b65\u964d\u538b\u6216\u5347\u538b\u63a7\u5236\u5668\u3002\u5b83\u80fd\u591f\u5728 12 V \u548c 48 V \u7cfb\u7edf\u7f51\u7edc\u4e4b\u95f4\u63d0\u4f9b\u53cc\u5411 DC\/DC \u63a7\u5236\u548c\u7535\u6c60\u5145\u7535\u3002\u5b83\u53ef\u5728\u5347\u538b\u6a21\u5f0f\uff08\u4ece 12 V \u603b\u7ebf\u81f3 48 V \u603b\u7ebf\uff09\u548c\u964d\u538b\u6a21\u5f0f\uff08\u4ece 48 V \u603b\u7ebf\u81f3 12 V \u603b\u7ebf\uff09\u4e0b\u5de5\u4f5c\u3002\u65bd\u52a0\u7684\u63a7\u5236\u4fe1\u53f7\u53ef\u6309\u9700\u914d\u7f6e\u4efb\u610f\u4e00\u79cd\u6a21\u5f0f\u3002\u5bf9\u4e8e\u9ad8\u7535\u6d41\u5e94\u7528\uff08\u6700\u9ad8\u8fbe 250 A\uff09\uff0c\u7531\u4e8e\u6700\u591a 12 \u4e2a\u76f8\u4f4d\u53ef\u4ee5\u5e76\u8054\u548c\u5f02\u76f8\u5b9a\u65f6\uff0c\u56e0\u800c\u53ef\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u51cf\u5c11\u8f93\u5165\u548c\u8f93\u51fa\u6ee4\u6ce2\u8981\u6c42\u3002\u8be5\u5668\u4ef6\u7684\u9ad8\u7ea7\u7535\u6d41\u6a21\u5f0f\u67b6\u6784\u5728\u5e76\u8054\u76f8\u4f4d\u4e4b\u95f4\u63d0\u4f9b\u4e86\u51fa\u8272\u7684\u7535\u6d41\u5339\u914d\u300212 \u76f8\u8bbe\u8ba1\u53ef\u5728\u964d\u538b\u6a21\u5f0f\u6216\u5347\u538b\u6a21\u5f0f\u4e0b\u63d0\u4f9b\u6700\u9ad8 5 kW \u7684\u529f\u7387\u3002<\/p>\n<p 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\u5f53\u9700\u8981\u66f4\u591a\u7535\u80fd\u65f6\uff0c\u4f8b\u5982\u8981\u8d77\u52a8\u5f15\u64ce\uff0cLTC3871 \u5141\u8bb8\u4e24\u4e2a\u7535\u6c60\u540c\u65f6\u63d0\u4f9b\u7535\u80fd\u3002\u4f7f\u7528\u8be5\u5668\u4ef6\u53ef\u8fbe\u5230\u6700\u9ad8 97% \u7684\u6548\u7387\u3002\u7247\u4e0a\u7535\u6d41\u7f16\u7a0b\u56de\u8def\u53ef\u8c03\u8282\u8f93\u9001\u81f3\u8d1f\u8f7d\u7684\u6700\u5927\u7535\u6d41\u3002\u8be5\u5668\u4ef6\u5171\u6709 4 \u4e2a\u63a7\u5236\u56de\u8def\uff0c\u5176\u4e2d 2 \u4e2a\u7528\u4e8e\u7535\u538b\uff0c2 \u4e2a\u7528\u4e8e\u7535\u6d41\uff0c\u53ef\u5728 12 V \u6216 48 V \u603b\u7ebf\u4e0a\u5b9e\u73b0\u7535\u538b\u548c\u7535\u6d41\u63a7\u5236\u3002<\/p>\n<p 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\tLTC3871 \u5728\u4ecb\u4e8e 60 kHz \u548c 475 kHz \u4e4b\u95f4\u7684\u7528\u6237\u53ef\u9009\u56fa\u5b9a\u9891\u7387\u4e0b\u5de5\u4f5c\uff0c\u5e76\u80fd\u540c\u6b65\u5230\u9891\u7387\u4f4d\u4e8e\u76f8\u540c\u8303\u56f4\u5185\u7684\u5916\u90e8<u>\u65f6\u949f<\/u>\u3002\u6b64\u5916\uff0c\u7528\u6237\u8fd8\u53ef\u9009\u62e9\u8f7b\u8d1f\u8f7d\u5de5\u4f5c\uff0c\u4f7f\u7528\u8109\u51b2\u8df3\u9891\u6216\u8fde\u7eed\u5de5\u4f5c\u6a21\u5f0f\u3002\u8be5\u5668\u4ef6\u7684\u5176\u4ed6\u7279\u6027\u5305\u62ec\uff1a\u6b20\u538b\u548c\u8fc7\u538b\u95ed\u9501\u3001\u9488\u5bf9\u964d\u538b\u548c\u5347\u538b\u6a21\u5f0f\u7684\u72ec\u7acb\u56de\u8def\u8865\u507f\u3001\u8fc7\u8f7d\u548c\u77ed\u8def\u4fdd\u62a4\u3001\u6574\u4e2a\u6e29\u5ea6\u8303\u56f4\u5185 &plusmn;1% \u8f93\u51fa\u7535\u538b\u8c03\u8282\u51c6\u786e\u5ea6\uff0c\u4ee5\u53ca\u7528\u4e8e\u63d0\u9ad8\u6548\u7387\u7684 EXTVcc\u3002LTC3871 \u4e13\u95e8\u9488\u5bf9 ISO26262 \u7cfb\u7edf\u7684\u8bca\u65ad\u8986\u76d6\u7387\u800c\u8bbe\u8ba1\uff0c\u7ecf\u9a8c\u8bc1\u7b26\u5408 AEC-Q100 \u6c7d\u8f66\u89c4\u8303\u3002<\/p>\n<p 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\tLTC3871 \u91c7\u7528\u70ed\u589e\u5f3a\u578b 48 \u5f15\u811a LQFP \u5c01\u88c5\uff0c\u5206\u4e3a\u4e09\u4e2a\u6e29\u5ea6\u7ea7\u7248\u672c\u3002\u8fd9\u4e9b\u6e29\u5ea6\u7ea7\u5305\u62ec\u5728 -40&deg;C \u81f3 150&deg;C \u8303\u56f4\u5185\u5de5\u4f5c\u7684\u9ad8\u6e29\u6c7d\u8f66\u7cfb\u5217\uff0c\u4ee5\u53ca\u5728 -40&deg;C \u81f3 125&deg;C \u8303\u56f4\u5185\u5de5\u4f5c\u7684\u6269\u5c55\u548c\u5de5\u4e1a\u7ea7\u522b\u7cfb\u5217\u3002\u56fe 1 \u663e\u793a\u4e86\u8be5\u5668\u4ef6\u7684\u5178\u578b\u5e94\u7528\u793a\u610f\u56fe\u3002\u793a\u610f\u56fe\u9876\u90e8\u7684 P \u6c9f\u9053&nbsp;<u>MOSFET<\/u>&nbsp;\u7528\u4e8e\u63d0\u4f9b\u77ed\u8def\u548c\u8fc7\u6d41\u4fdd\u62a4\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-align: center; 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\" alt=\"Linear Technology \u7684 LTC3871 \u7684\u53cc\u5411\u5e94\u7528\u793a\u610f\u56fe\" src=\"http:\/\/www.szryc.com\/uploads\/allimg\/180915\/1442232555-0.jpg?ts=3376bc43-63e0-4029-93e5-1540e469da06&amp;la=zh-CN-RMB\" style=\"border: 0px; vertical-align: middle; cursor: pointer; margin: 0px auto; display: block; max-width: 100%; border-radius: 2px;\" title=\"Linear Technology LTC3871 bi-directional application schematic\" \/><\/p>\n<p 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\u56fe 1\uff1a\u5178\u578b LTC3871 \u53cc\u5411\u5e94\u7528\u793a\u610f\u56fe\u663e\u793a\u4e86\u4ece 26 V \u81f3 58 V \u8f93\u5165\u4ea7\u751f\u7684 12 V \u8f93\u51fa\uff0c\u80fd\u591f\u63d0\u4f9b 30 A \u7535\u6d41\u3002\uff08\u56fe\u7247\u6765\u6e90\uff1aLinear Technology\uff09<\/p>\n<h2 style=\"margin: 40px 0px 20px; padding: 0px; font-size: 22px; font-weight: normal; color: rgb(0, 0, 0); font-family: \u5fae\u8f6f\u96c5\u9ed1;\">\n\t\u96c6\u6210\u5f0f\u8d77\u52a8\u53d1\u7535\u673a (ISG)<\/h2>\n<p 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\u6c7d\u8f66\u4e2d\u7684\u8d77\u52a8\u673a\u548c\u4ea4\u6d41\u53d1\u7535\u673a\u90fd\u80fd\u88ab\u7535\u5b50\u63a7\u5236\u5f0f ISG \u53d6\u4ee3\u3002\u8fd9\u6837\u53ef\u4ee5\u5e26\u6765\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n<ul style=\"margin: 15px 0px; padding-right: 0px; list-style-position: outside; list-style-image: none; line-height: 1.6; font-size: 16px; color: rgb(47, 47, 47); font-family: \u5fae\u8f6f\u96c5\u9ed1;\">\n<li style=\"margin: 0px 0px 0px 20px; padding: 0px; list-style: disc;\">\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\t\t\u65e0\u9700\u8d77\u52a8\u673a - \u5e38\u89c4\u5f15\u64ce\u5de5\u4f5c\u8fc7\u7a0b\u4e2d\u552f\u4e00\u7684\u65e0\u6e90\u5143\u4ef6<\/p>\n<\/li>\n<li style=\"margin: 0px 0px 0px 20px; padding: 0px; list-style: disc;\">\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\t\t\u65e0\u9700\u66f2\u8f74\u548c\u4ea4\u6d41\u53d1\u7535\u673a\u4e4b\u95f4\u7684\u76ae\u5e26\u548c\u76ae\u5e26\u76d8<u>\u8026\u5408<\/u><\/p>\n<\/li>\n<li style=\"margin: 0px 0px 0px 20px; padding: 0px; list-style: disc;\">\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\t\t\u5728\u8d1f\u8f7d\u7a81\u964d\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u5b9e\u73b0\u53d1\u7535\u673a\u7535\u538b\u7684\u5feb\u901f\u63a7\u5236<\/p>\n<\/li>\n<li style=\"margin: 0px 0px 0px 20px; padding: 0px; list-style: disc;\">\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; color: rgb(51, 51, 51) !important; line-height: 30px !important; font-family: &quot;Microsoft yahei&quot;, \u5fae\u8f6f\u96c5\u9ed1 !important;\">\n\t\t\t\u65e0\u9700\u5f53\u524d\u4f7f\u7528\u7684\u67d0\u4e9b\u7ed5\u7ebf\u8f6c\u5b50\u4ea4\u6d41\u53d1\u7535\u673a\u4e2d\u7684\u7535\u5237\u548c\u6ed1\u73af<\/p>\n<\/li>\n<\/ul>\n<p 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\tISG \u5177\u6709\u4e09\u4e2a\u91cd\u8981\u529f\u80fd\uff0c\u5373\u52a8\u529b\u8f85\u52a9\u3001\u53d1\u7535\u3001\u542f\u505c\u529f\u80fd\u3002ISG \u80fd\u591f\u901a\u8fc7\u518d\u751f\u5236\u52a8\u4ea7\u751f\u7535\u80fd\uff0c\u4ece\u800c\u5e2e\u52a9\u6c7d\u8f66\u51cf\u901f\u3002\u901a\u8fc7\u518d\u751f\u5236\u52a8\u4ea7\u751f\u7684\u7535\u80fd\u5c06\u4e3a 48 V \u7535\u6c60\u5145\u7535\uff0c\u4ece\u800c\u964d\u4f4e\u71c3\u6cb9\u6d88\u8017\uff0c\u8fdb\u800c\u51cf\u5c11 CO2 \u6392\u653e\u3002\u6b64\u5916\uff0c\u5f53\u5f15\u64ce\u8fd0\u884c\u65f6\uff0cISG \u53ef\u4ee5\u4ea7\u751f\u7535\u80fd\uff0c\u8fd9\u4e0e\u4f20\u7edf\u4ea4\u6d41\u53d1\u7535\u673a\u76f8\u4f3c\u3002\u6700\u540e\uff0cISG \u53ef\u5728\u505c\u8f66\u65f6\u8ba9\u5185\u71c3\u673a\u5173\u95ed\u4ee5\u8282\u7701\u71c3\u6cb9\uff0c\u800c\u5728\u8e29\u538b\u6cb9\u95e8\u8e0f\u677f\u65f6\u53ef\u77ac\u65f6\u91cd\u65b0\u8d77\u52a8\u5f15\u64ce\u3002\u6b64\u8fc7\u7a0b\u6240\u6d89\u53ca\u7684\u5373\u4e00\u822c\u6240\u79f0\u7684&ldquo;\u542f\u505c\u7cfb\u7edf&rdquo;\u3002\u5728\u6b64\u7cfb\u7edf\u4e2d\uff0cISG \u6709\u52a9\u4e8e\u5728\u5f15\u64ce\u8d77\u52a8\u65f6\u5b9e\u73b0\u66f4\u5e73\u7a33\u7684\u8f6c\u6362\u3002<\/p>\n<p 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\u56fe 2 \u6240\u793a\u7684\u6846\u56fe\u663e\u793a\u4e86 LTC3871\u3001ISG \u4ee5\u53ca 12 V \u548c 48 V \u7535\u6c60\u5982\u4f55\u6574\u5408\u5230\u5178\u578b\u5185\u71c3\u673a\u6c7d\u8f66\u4e2d\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-align: center; 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\" alt=\"Linear Technology LTC3871 \u5178\u578b\u6c7d\u8f66\u5e94\u7528\u6846\u56fe\" src=\"http:\/\/www.szryc.com\/uploads\/allimg\/180915\/144223I45-1.jpg?ts=f4581a1d-22ac-45b7-8db8-9e94e7c8bc06&amp;la=zh-CN-RMB\" style=\"border: 0px; vertical-align: middle; cursor: pointer; margin: 0px auto; display: block; max-width: 100%; border-radius: 2px;\" title=\"Linear Technology LTC3871 automotive applications\" \/><\/p>\n<p 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\u56fe 2\uff1aLTC3871 \u5178\u578b\u6c7d\u8f66\u5e94\u7528\u6846\u56fe\u3002\uff08\u56fe\u7247\u6765\u6e90\uff1aLinear Technology\uff09<\/p>\n<h2 style=\"margin: 40px 0px 20px; padding: 0px; font-size: 22px; font-weight: normal; color: rgb(0, 0, 0); font-family: \u5fae\u8f6f\u96c5\u9ed1;\">\n\t\u964d\u538b\u548c\u5347\u538b\u6a21\u5f0f<\/h2>\n<p 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\u4e00\u4e2a\u7b80\u5355\u7684\u63a7\u5236\u4fe1\u53f7\u5373\u53ef\u52a8\u6001\u65e0\u7f1d\u5730\u5c06 LTC3871 \u4ece\u964d\u538b\u6a21\u5f0f\u5207\u6362\u4e3a\u5347\u538b\u6a21\u5f0f\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u501f\u52a9\u4e24\u4e2a\u5355\u72ec\u7684\u8bef\u5dee<u>\u653e\u5927\u5668<\/u>\uff08\u4e00\u4e2a\u7528\u4e8e VHIGH \u8c03\u8282\uff0c\u53e6\u4e00\u4e2a\u7528\u4e8e VLOW \u8c03\u8282\uff09\uff0c\u53ef\u5bf9\u964d\u538b\u548c\u5347\u538b\u6a21\u5f0f\u7684\u56de\u8def\u8865\u507f\u8fdb\u884c\u72ec\u7acb\u5fae\u8c03\uff0c\u4ece\u800c\u4f18\u5316\u77ac\u6001\u54cd\u5e94\u3002\u5728\u964d\u538b\u6a21\u5f0f\u4e0b\u65f6\uff0c\u5bf9\u5e94\u7684\u8bef\u5dee\u653e\u5927\u5668 ITHLOW \u542f\u7528\uff0c\u5b83\u5c06\u63a7\u5236\u5cf0\u503c<u>\u7535\u611f\u5668<\/u>\u7535\u6d41\u3002\u76f8\u53cd\uff0c\u5728\u5347\u538b\u6a21\u5f0f\u4e0b\u65f6\uff0cITHHIGH \u542f\u7528\uff0cITHLOW \u88ab\u7981\u7528\u3002\u5728\u4ece\u5347\u538b\u81f3\u964d\u538b\u6216\u4ece\u964d\u538b\u81f3\u5347\u538b\u7684\u6a21\u5f0f\u8f6c\u6362\u8fc7\u7a0b\u4e2d\uff0c\u5185\u90e8\u8f6f\u542f\u52a8\u88ab\u590d\u4f4d\uff0cITH \u5f15\u811a\u5c06\u7f6e\u4e8e\u96f6\u7535\u6d41\u6c34\u5e73\uff0c\u4ee5\u786e\u4fdd\u5411\u65b0\u6a21\u5f0f\u7684\u5e73\u6ed1\u8f6c\u6362\u3002<\/p>\n<h2 style=\"margin: 40px 0px 20px; padding: 0px; font-size: 22px; font-weight: normal; color: rgb(0, 0, 0); font-family: \u5fae\u8f6f\u96c5\u9ed1;\">\n\t\u591a\u76f8\u4f9b\u7535<\/h2>\n<p 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\u53ef\u5bf9\u591a\u4e2a LTC3871 \u8fdb\u884c\u83ca\u82b1\u94fe\u8fde\u63a5\uff0c\u5e76\u5b9e\u73b0\u5f02\u76f8\u8fd0\u884c\uff0c\u4ee5\u4fbf\u5728\u4e0d\u589e\u52a0\u8f93\u5165\u548c\u8f93\u51fa\u7535\u538b\u7eb9\u6ce2\u7684\u60c5\u51b5\u4e0b\uff0c\u63d0\u4f9b\u66f4\u5927\u7684\u8f93\u51fa\u7535\u6d41\u3002\u5c06\u4e00\u4e2a LTC3871 \u7684 SYNC \u5f15\u811a\u8fde\u63a5\u5230\u53e6\u4e00\u4e2a LTC3871 \u7684 CLKOUT \u5f15\u811a\uff0c\u53ef\u8ba9\u7b2c\u4e8c\u4e2a\u5668\u4ef6\u540c\u6b65\u5230\u7b2c\u4e00\u4e2a\u5668\u4ef6\u3002\u5c06 CLKOUT \u4fe1\u53f7\u8fde\u63a5\u81f3\u4e0b\u4e00\u4e2a LTC3871 \u7ea7\u7684 SYNC \u5f15\u811a\uff0c\u5c06\u4f7f\u6574\u4e2a\u7cfb\u7edf\u7684\u9891\u7387\u548c\u76f8\u4f4d\u4fdd\u6301\u4e00\u81f4\u3002\u6700\u591a\u53ef\u5b9e\u73b0 12 \u4e2a\u76f8\u4f4d\u7684\u83ca\u82b1\u94fe\u8fde\u63a5\uff0c\u76f8\u4e92\u4e4b\u95f4\u540c\u65f6\u5f02\u76f8\u8fd0\u884c\u3002<\/p>\n<p 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\tLTC3871 \u7684\u6f14\u793a\u677f DC2348A \u53ef\u914d\u7f6e\u4e3a\u4e8c\u76f8\u6216\u56db\u76f8\uff0c\u4f7f\u7528\u4e00\u4e2a\u6216\u4e24\u4e2a LTC3871\u3002\u56fe 3 \u663e\u793a\u4e86\u56db\u76f8\u7248\u672c\u3002\u5728\u964d\u538b\u6a21\u5f0f\u4e0b\u5de5\u4f5c\u65f6\uff0c\u8be5\u6f14\u793a\u7535\u8def\u5177\u6709 30 V \u81f3 75 V \u7684\u8f93\u5165\u7535\u538b\u8303\u56f4\uff0c\u4ea7\u751f 12 V \u7684\u8f93\u51fa\uff0c\u63d0\u4f9b\u6700\u9ad8 60 A \u7684\u7535\u6d41\u3002\u5f53\u8be5\u6f14\u793a\u7535\u8def\u5728\u5347\u538b\u6a21\u5f0f\u4e0b\u5de5\u4f5c\u65f6\uff0c\u5177\u6709 10 V \u81f3 13 V \u7684\u8f93\u5165\u7535\u538b\u8303\u56f4\uff0c\u4ea7\u751f 48 V \u7684\u8f93\u51fa\uff0c\u63d0\u4f9b\u6700\u9ad8 10 A \u7684\u7535\u6d41\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-align: center; 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\" alt=\"Linear Technology LTC3871 \u56db\u76f8\u6f14\u793a\u677f\u7684\u56fe\u7247\" src=\"http:\/\/www.szryc.com\/uploads\/allimg\/180915\/144223A56-2.jpg?ts=717e575e-93b3-4717-a109-020c1133fbfc&amp;la=zh-CN-RMB\" style=\"border: 0px; vertical-align: middle; cursor: pointer; margin: 0px auto; display: block; max-width: 100%; border-radius: 2px;\" title=\"Linear Technology LTC3871 four phase demo board\" \/><\/p>\n<p 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\u56fe 3\uff1aLTC3871 \u56db\u76f8\u6f14\u793a\u677f\u3002\uff08\u56fe\u7247\u6765\u6e90\uff1aLinear Technology\uff09<\/p>\n<p 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\u56fe 4 \u662f\u91c7\u7528\u4e24\u4e2a LTC3871 \u5668\u4ef6\u7684\u56db\u76f8\u6f14\u793a\u677f\u7684\u5178\u578b\u6548\u7387\u66f2\u7ebf\u3002\u964d\u538b\u6a21\u5f0f\u66f2\u7ebf\u663e\u793a\u6f14\u793a\u677f\u4ece 48 V \u964d\u538b\u81f3 12 V\uff08\u6700\u9ad8 60 A \u7684\u7535\u6d41\uff09\u7684\u6548\u7387\uff0c\u800c\u5347\u538b\u66f2\u7ebf\u5219\u663e\u793a\u6f14\u793a\u677f\u4ece 12 V \u5347\u538b\u81f3 48 V\uff08\u6700\u9ad8 10A \u7684\u7535\u6d41\uff09\u7684\u6548\u7387\u3002\u6211\u4eec\u53ef\u4ee5\u6ce8\u610f\u5230\uff0c\u4e24\u6761\u66f2\u7ebf\u7684\u5cf0\u503c\u6548\u7387\u5747\u4e3a 97%\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; padding: 0px; word-wrap: break-word; letter-spacing: 0.5px; font-size: 16px; text-align: center; 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\" alt=\"Linear Technology LTC3871 \u7684\u964d\u538b\u548c\u5347\u538b\u6548\u7387\u66f2\u7ebf\u7684\u56fe\u7247\" src=\"http:\/\/www.szryc.com\/uploads\/allimg\/180915\/144223N49-3.jpg?ts=d47f4db9-416f-40fe-a170-eb7897a22cf8&amp;la=zh-CN-RMB\" style=\"border: 0px; vertical-align: middle; cursor: pointer; margin: 0px auto; display: block; max-width: 100%; border-radius: 2px;\" title=\"Buck and boost efficiency curves for the Linear Technology LTC3871\" \/><\/p>\n<p 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\u56fe 4\uff1aLTC3871 \u7684\u964d\u538b\u548c\u5347\u538b\u6548\u7387\u66f2\u7ebf\uff08\u91c7\u7528\u56db\u76f8\u8bbe\u8ba1\uff09\uff08\u56fe\u7247\u6765\u6e90\uff1aLinear Technology\uff09<\/p>\n<h2 style=\"margin: 40px 0px 20px; padding: 0px; font-size: 22px; font-weight: normal; color: rgb(0, 0, 0); font-family: \u5fae\u8f6f\u96c5\u9ed1;\">\n\t\u8fc7\u6d41\u4fdd\u62a4<\/h2>\n<p 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\u5728\u964d\u538b\u6a21\u5f0f\u4e0b\u65f6\uff0cLTC3871 \u63d0\u4f9b\u7535\u6d41\u6298\u8fd4\u4fdd\u62a4\uff0c\u5728\u8fc7\u6d41\u60c5\u51b5\u4e0b\u6216\u5f53 VLOW \u63a5\u5730\u65f6\uff0c\u8be5\u529f\u80fd\u53ef\u4ee5\u9650\u5236\u529f\u7387\u8017\u6563\u3002\u7535\u6d41\u6298\u8fd4\u4fdd\u62a4\u5728\u8f6f\u542f\u52a8\u6761\u4ef6\u4e0b\u81ea\u52a8\u542f\u7528\u3002\u5982\u679c VLOW \u964d\u4f4e\u81f3\u6807\u79f0\u8f93\u51fa\u7535\u5e73\u7684 85% \u4ee5\u4e0b\uff0c\u5219\u6700\u5927\u68c0\u6d4b\u7535\u538b\u4ece\u6700\u5927\u8bbe\u5b9a\u503c\u9010\u6e10\u964d\u4f4e\u81f3\u539f\u6765\u7684\u4e09\u5206\u4e4b\u4e00\u3002\u5728\u77ed\u8def\u60c5\u51b5\u4e0b\uff0cLTC3871 \u5c06\u4ee5\u975e\u5e38\u4f4e\u7684\u5360\u7a7a\u6bd4\u5f00\u59cb\u5468\u671f\u8df3\u6b65\uff0c\u4ee5\u9650\u5236\u77ed\u8def\u7535\u6d41\u3002<\/p>\n<p style=\"margin: 0px 0px 12px; 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