{"id":1275,"date":"2023-09-24T18:15:08","date_gmt":"2023-09-24T10:15:08","guid":{"rendered":"https:\/\/vision-pi.com\/?p=1275"},"modified":"2023-09-26T14:01:43","modified_gmt":"2023-09-26T06:01:43","slug":"ldtz","status":"publish","type":"post","link":"https:\/\/vision-pi.com\/index.php\/2023\/09\/24\/ldtz\/","title":{"rendered":"LED\u663e\u793a\u5c4f\u9762\u4e34\u7684\u516d\u5927\u6311\u6218"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.16″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.22.1″ _module_preset=”default” text_font=”HarmonyOS_Sans_Light||||||||” header_font=”HarmonyOS_Sans_Light||||||||” hover_enabled=”0″ inline_fonts=”HarmonyOS_Sans_Light” global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

LED\u663e\u793a\u5c4f\u884c\u9a71\u52a8\u7684\u516d\u5927\u6311\u6218<\/strong><\/h1>\n

<\/strong><\/p>\n

\u5f15\u8a00<\/h3>\n

LED \u663e\u793a\u5c4f\u7684\u663e\u793a\u8d28\u91cf\u4e00\u5411\u4e0e\u6052\u6d41\u9a71\u52a8\u82af\u7247\u606f\u606f\u76f8\u5173\uff0c\u5982\u9b3c\u5f71\u3001\u574f\u70b9\u5341\u5b57\u67b6\u3001\u4f4e\u7070\u504f\u8272\u3001\u7b2c\u4e00\u626b\u504f\u6697\u3001\u9ad8\u5bf9\u6bd4\u8026\u5408\u7b49\u95ee\u9898\uff0c\u800c\u884c\u9a71\u52a8\u4f5c\u4e3a\u5355\u7eaf\u7684\u626b\u63cf\u8981\u6c42\u4e00\u76f4\u4ee5\u6765\u4e0d\u592a\u53d7\u91cd\u89c6\u3002\u968f\u7740\u5c0f\u95f4\u8ddd\u7684\u53d1\u5c55LED \u663e\u793a\u5c4f\u540c\u6837\u5bf9\u884c\u9a71\u52a8\u63d0\u51fa\u4e86\u66f4\u9ad8\u7684\u8981\u6c42\uff0c\u4ece\u5355\u7eaf\u7684 P-MOSFET \u5b9e\u73b0\u884c\u5207\u6362\uff0c\u5230\u96c6\u6210\u5ea6\u66f4\u9ad8\u529f\u80fd\u66f4\u5f3a\u7684\u591a\u529f\u80fd\u884c\u9a71\u52a8\uff0c\u800c\u884c\u9a71\u52a8\u7684\u8bbe\u8ba1\u53ca\u9009\u578b\u540c\u6837\u9762\u4e34\u4e0a\u9b3c\u5f71\u6d88\u9664\u3001\u706f\u73e0\u53cd\u5411\u7535\u538b\u3001\u77ed\u8def\u6bdb\u6bdb\u866b\u3001\u5f00\u8def\u5341\u5b57\u67b6\u3001\u706f\u73e0VF<\/sub> \u503c\u504f\u5927\u3001\u9ad8\u5bf9\u6bd4\u8026\u5408\u516d\u5927\u6311\u6218\u3002<\/p>\n

\u4e0a\u9b3c\u5f71<\/h3>\n

\u5728\u626b\u63cf\u5c4f\u8fdb\u884c\u5207\u6362\u65f6\uff0c\u7531\u4e8e PMOS \u7ba1\u5f00\u5173\u7684\u6253\u5f00\u548c\u5173\u95ed\u4ee5\u53ca\u884c\u7ebf\u5bc4\u751f\u7535\u5bb9 Cr \u4e0a\u7684\u7535\u8377\u6cc4\u653e\u9700\u8981\u4e00\u6bb5\u65f6\u95f4\uff0c\u56e0\u6b64\u5728\u4e0b\u4e00\u884c\u626b VLED<\/sub> \u4e0e OUT \u5f00\u542f\u77ac\u95f4\uff0c\u4e0a\u4e00\u884c\u626bVLED<\/sub> \u7684\u672a\u91ca\u653e\u7684\u7535\u8377\u6709\u4e86\u5bfc\u901a\u8def\u5f84\u3002Row(n)\u6253\u5f00\u65f6\uff0c\u884c\u5bc4\u751f\u7535\u5bb9 Cr \u5145\u7535\u5230 VCC \u7535\u4f4d\u3002\u5207\u6362\u5230Row(n+1)\u65f6\uff0cCr \u4e0e OUT \u4e4b\u95f4\u5f62\u6210\u7535\u4f4d\u5dee\uff0c\u7535\u8377\u901a\u8fc7\u706f\u73e0\u8fdb\u884c\u6cc4\u653e\uff0c\u4ea7\u751fLED \u9690\u4eae\u3002<\/p>\n

\"\"\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\"\"<\/p>\n

Figure 1 \u4e0a\u9b3c\u5f71\u73b0\u8c61\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Figure 2 \u4e0a\u9b3c\u5f71\u793a\u610f\u56fe<\/p>\n

\u6240\u4ee5\u5728\u6362\u884c\u65f6\u523b\u9700\u8981\u5bf9 Cr \u4e0a\u7684\u7535\u8377\u8fdb\u884c\u63d0\u524d\u6cc4\u653e\uff0c\u901a\u5e38\u96c6\u6210\u6d88\u9690\u529f\u80fd\u7684\u884c\u7ba1\uff0c\u901a\u8fc7\u52a0\u5165\u4e0b\u62c9\u7535\u8def\u5728\u8fdb\u884c\u5207\u6362\u65f6\uff0c\u5c06\u5bc4\u751f\u7535\u5bb9 Cr \u7684\u7535\u8377\u5feb\u901f\u6cc4\u653e\u3002\u4e0b\u62c9\u7535\u4f4d\u5373\u6d88\u9690\u7535\u538b VH<\/sub> \u8bbe\u7f6e\u7684\u8d8a\u4f4e\uff0c\u5bc4\u751f\u7535\u5bb9\u4e0a\u7684\u7535\u8377\u6cc4\u653e\u7684\u4e5f\u5c31\u8d8a\u5feb\uff0c\u6d88\u9664\u4e0a\u9b3c\u5f71\u7684\u6548\u679c\u4e5f\u5c31\u8d8a\u597d\uff0c\u901a\u5e38 VH<\/sub><VCC\uff0d1V\u5373\u53ef\u6d88\u9664\u4e0a\u9b3c\u5f71\u3002<\/p>\n

\u706f\u73e0\u53cd\u5411\u7535\u538b\uff08reverse voltage\uff09<\/h3>\n

\u706f\u73e0\u7684\u53cd\u5411\u51b2\u51fb\u7535\u538b\u5f88\u5927\u7a0b\u5ea6\u4e0a\u5f71\u54cd\u7740\u706f\u73e0\u7684\u4f7f\u7528\u5bff\u547d\uff0c\u56e0\u53cd\u538b\u9020\u6210\u7684\u574f\u70b9\u4e00\u76f4\u662f LED\u663e\u793a\u5c4f\u7279\u522b\u662f\u5c0f\u95f4\u8ddd\u7684\u75db\u70b9\u3002<\/p>\n

\u5728\u8f93\u51fa\u901a\u9053\u5173\u95ed\u65f6\uff0c\u56e0\u5bc4\u751f\u7535\u611f\u7684\u7eed\u6d41\u4f5c\u7528\uff0c\u4f1a\u5bf9\u901a\u9053\u5904\u7684\u5bc4\u751f\u7535\u5bb9\u6301\u7eed\u5145\u7535\uff0c\u5f62\u6210\u5f88\u9ad8\u7684\u7535\u538b\u6bdb\u523a\u3002\u6b64\u65f6\u4e0e\u884c\u7ba1\u8f93\u51fa\u5f62\u6210\u52a0\u8f7d\u5728\u706f\u73e0\u4e0a\u7684\u53cd\u5411\u7535\u538b\uff0c\u6240\u4ee5\u884c\u7ba1\u7684\u6d88\u9690\u7535\u538b\u540c\u65f6\u5f71\u54cd\u7740\u706f\u73e0\u7684\u53cd\u5411\u7535\u538b\u3002\u6052\u6d41\u8f93\u51fa\u901a\u9053\u5904\u7535\u538b\u56fa\u5b9a\u7684\u60c5\u51b5\u4e0b\uff0c\u884c\u7ba1\u7684\u6d88\u9690\u7535\u538b\u8d8a\u9ad8\u5176\u706f\u73e0\u7684\u53cd\u5411\u7535\u538b\u5c31\u8d8a\u5c0f\u3002\u901a\u5e38\u706f\u73e0\u6807\u79f0\u53cd\u5411\u7535\u538b\u4e3a 5V\uff0c\u5b9e\u9645\u7ecf\u8fc7\u5382\u5546\u7684\u6d4b\u8bd5\u53cd\u538b\u5728 1.4V \u4ee5\u4e0b\u53ef\u4ee5\u5927\u5e45\u5ea6\u51cf\u5c11\u56e0\u53cd\u538b\u5bfc\u81f4\u7684\u574f\u70b9\uff0c\u6240\u4ee5\u9488\u5bf9\u706f\u73e0\u53cd\u538b\u95ee\u9898\u6d88\u9690\u7535\u538b\u4e0d\u80fd\u8fc7\u4f4e\uff0c\u4e00\u822c\u4e0d\u4f4e\u4e8e VCC\uff0d2V\u3002<\/p>\n

\u77ed\u8def\u6bdb\u6bdb\u866b<\/h3>\n

\u5f53LED \u77ed\u8def\u65f6\uff0c\u4f1a\u51fa\u73b0\u4e00\u5217\u957f\u4eae\u73b0\u8c61\uff0c\u4e00\u822c\u79f0\u4e3a\u77ed\u8def\u6bdb\u6bdb\u866b\u3002\u5f53\u4e2d\u95f4 LED \u706f\u73e0\u77ed\u8def\u65f6\uff0c\u540c\u5217\u7684LED \u706f\u73e0\u5728\u626b\u63cf\u5230\u8be5\u884c\u65f6\u4f1a\u5f62\u6210\u5982\u4e0b\u56fe\u6240\u793a\u901a\u8def\uff0c\u5728VLED<\/sub> \u5230A \u70b9\u4e4b\u95f4\u5982\u679c\u538b\u5dee\u5927\u4e8e LED \u706f\u73e0\u70b9\u4eae\u503c\uff0c\u5219\u4f1a\u5f62\u6210\u4e00\u5217\u5e38\u4eae\u6bdb\u6bdb\u866b\u3002<\/p>\n

\"\"\"\"<\/p>\n

Figure 7 \u77ed\u8def\u6bdb\u6bdb\u866b\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Figure 8 \u77ed\u8def\u6bdb\u6bdb\u866b\u6210\u56e0\u793a\u610f\u56fe<\/p>\n

\u77ed\u8def\u6bdb\u6bdb\u866b\u4e0e\u5f00\u8def\u5341\u5b57\u67b6\u6700\u5927\u533a\u522b\u5728\u4e8e\u77ed\u8def\u6bdb\u6bdb\u866b\u53ea\u8981\u5c4f\u5e55\u5904\u4e8e\u626b\u63cf\u72b6\u6001\uff0c\u4e0d\u7ba1 LED\u706f\u73e0\u662f\u5426\u663e\u793a\u56fe\u50cf\uff0c\u90fd\u4f1a\u663e\u73b0\uff0c\u800c\u5f00\u8def\u6bdb\u6bdb\u866b\u53ea\u6709\u5728\u5f00\u8def\u706f\u73e0\u88ab\u70b9\u4eae\u7684\u65f6\u5019\u624d\u4f1a\u51fa\u73b0\u5f00\u8def\u5341\u5b57\u67b6\u95ee\u9898\u3002\u901a\u5e38\u901a\u8fc7\u63d0\u9ad8\u884c\u7ba1\u6d88\u9690\u7535\u538b\uff0c\u4f7f\u4e4b\u538b\u5dee\u5c0f\u4e8e LED \u6b63\u5411\u7535\u538bVF<\/sub> \u5373VLED<\/sub>\uff0dVH<\/sub><VF<\/sub>\u3002\u901a\u5e38\u7ea2\u8272LED \u706f\u73e0\u6b63\u5411\u7535\u538b\uff08forward voltage\uff09VF<\/sub> \u4e3a 1.6~2.4V\uff0c\u7eff\u8272\u548c\u84dd\u8272 LED \u706f\u73e0\u6b63\u5411\u7535\u538b VF<\/sub> \u4e3a 2.4~3.4V\u3002\u7ecf\u6d4b\u8bd5\u7ea2\u8272\u706f\u73e0 1.4V \u5373\u80fd\u4f7f\u4e4b\u70b9\u4eae\u6545\u4ee5\u7ea2\u8272\u706f\u73e0\u4e3a\u4f8b\uff0c\u56e0\u6b64\u5f53 VH<\/sub>>VCC\uff0d1.4V\u5c31\u80fd\u5f7b\u5e95\u89e3\u51b3\u77ed\u8def\u6bdb\u6bdb\u866b\u95ee\u9898\u3002\u5f53 VCC-2V<VH<\/sub><VCC-1.4V \u65f6\uff0c\u4ec5\u6709\u77ed\u8def\u70b9\u4e0b\u65b9\u4e00\u9897\u7ea2\u8272 LED\u88ab\u5fae\u5f31\u70b9\u4eae\u3002<\/p>\n

\u5f00\u8def\u5341\u5b57\u67b6<\/h3>\n

\u5728\u626b\u63cf\u5c4f\u4e2d\u5f53\u51fa\u73b0\u706f\u73e0\u5f00\u8def\uff0c\u8be5\u70b9\u88ab\u70b9\u4eae\u65f6\uff0c\u901a\u9053 OUT1 \u7535\u538b\u88ab\u62c9\u4f4e\u5230 0.5V \u4ee5\u4e0b\u3002\u82e5\u626b\u63cf\u884c\u7535\u4f4d\u6d88\u9690\u7535\u538bVH<\/sub> \u4e3a 3.5V\uff0c\u5219\u4f1a\u5bf9\u8be5\u5217\u706f\u73e0\u5f62\u6210\u5bfc\u901a\u901a\u8def\uff0c\u5f62\u6210\u5f00\u8def\u6bdb\u6bdb\u866b\u3002<\/p>\n

\"\" \"\"<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Figure 3 \u5f00\u8def\u5341\u5b57\u67b6\u6210\u56e0\u793a\u610f\u56fe\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Figure 4 \u5f00\u8def\u5341\u5b57\u67b6\u6210\u56e0\u793a\u610f\u56fe<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u5f53\u51fa\u73b0\u706f\u73e0\u5f00\u8def\uff0c\u901a\u9053 OUT1 \u7535\u538b\u88ab\u62c9\u4f4e\u5230 0.5V \u4ee5\u4e0b\u751a\u81f3 0V\uff0c\u5e76\u901a\u8fc7\u5bc4\u751f\u7535\u5bb9 C1\uff0cC2\u5f71\u54cd\u5230\u5217\u5bc4\u751f\u7535\u5bb9 Cr\uff0c\u5f53 Cr \u7535\u4f4d\u88ab\u62c9\u4f4e\u65f6\uff0c\u4e0e\u5f00\u8def\u706f\u73e0\u540c\u4e00\u884c\u7684 LED \u51fa\u73b0\u9690\u4eae\u3002<\/p>\n

\u5c06\u6d88\u9690\u884c\u7ba1\u7684\u6d88\u9690\u7535\u538b\u8c03\u4f4e\u53ef\u6709\u6548\u89e3\u51b3\u5f00\u8def\u5341\u5b57\u67b6\u95ee\u9898\u5373\u6d88\u9690\u7535\u538b VH<\/sub><1.4V\u3002\u4e1a\u5185\u67d0\u4e9b\u884c\u7ba1\u540c\u6837\u5229\u7528\u53ef\u8c03\u6d88\u9690\u7535\u538b\u7684\u65b9\u5f0f\uff0c\u5c06\u6d88\u9690\u7535\u538b\u8c03\u4f4e\u81f3 1.4V \u4ee5\u4e0b\u6765\u89e3\u51b3\u5f00\u8def\u5341\u5b57\u67b6\uff0c\u8fd9\u6837\u4f1a\u5e26\u6765LED \u53cd\u538b\u589e\u5927\u52a0\u901fLED \u706f\u73e0\u635f\u574f\u53ca\u77ed\u8def\u6bdb\u6bdb\u866b\u3002<\/p>\n

\u706f\u73e0 VF<\/sub> \u503c\u504f\u5927<\/h3>\n

\u7531\u4e8e\u706f\u73e0 VF<\/sub> \u503c\u504f\u5927\u800c\u5bfc\u81f4\u7684\u5217\u5e38\u4eae\u540c\u6837\u4e5f\u662f\u56f0\u6270\u5ba2\u6237\u5e94\u7528\u7684\u95ee\u9898\u3002\u901a\u5e38\u7eff\u706f\u6807\u79f0\u6b63\u5411\u7535\u538b VF<\/sub> \u4e3a 2.4~3.4V\uff0c\u800c\u901a\u5e38\u60c5\u51b5\u4e0b\u7eff\u706f\u9633\u6781\u9634\u6781\u538b\u5dee 1.8V \u5c31\u80fd\u4f7f\u4e4b\u70b9\u4eae\uff0c\u800c\u884c\u7ba1\u7684\u6d88\u9690\u7535\u538bVH<\/sub> \u8fc7\u9ad8\u4fbf\u4f1a\u5bfc\u81f4\u5217\u5e38\u4eae\u3002<\/p>\n

\"\" \"\"<\/p>\n

Figure 5 \u706f\u73e0VF<\/sub> \u503c\u504f\u5927\u5f15\u8d77\u5217\u5e38\u4eae\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Figure 6 \u5217\u5e38\u4eae\u6210\u56e0\u793a\u610f\u56fe<\/p>\n

\u4ee5\u706f\u73e0\u6b63\u5411\u7535\u538bVF1<\/sub>=3.4V \u4e3a\u5217\uff0c\u5f53\u626b\u63cf\u81f3\u6b21\u706f\u73e0\u65f6VOUT<\/sub> \u548cVLED1<\/sub> \u540c\u65f6\u6253\u5f00\uff0c<\/p>\n

\u901a\u9053\u7aef\u7535\u538b\uff1aVOUT<\/sub>=VLED1<\/sub>\uff0dVF1<\/sub><\/p>\n

\u8be5\u5217\u7684\u5176\u4ed6\u884c\u706f\u73e0\u4e24\u7aef\u7535\u538b\uff1aV\u25b3=VH<\/sub>\uff0dVOUT<\/sub>=VH<\/sub>\uff0dVLED1<\/sub>\uff0bVF1<\/sub><\/p>\n

\u82e5V\u25b3>1.8V \u4fbf\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5217\u5e38\u4eae\u5373VH<\/sub>\uff0dVLED1<\/sub>\uff0bVF1<\/sub>>1.8V \u5176\u4e2dVLED<\/sub>=VCC(\u884c\u7ba1\u538b\u964d\u5ffd\u7565)\uff0c\u6545 VH<\/sub>>VCC\uff0d1.6V \u4fbf\u4e0d\u5229\u4e8e\u89e3\u51b3\u706f\u73e0VF<\/sub> \u503c\u504f\u5927\u5f15\u8d77\u7684\u5217\u5e38\u4eae\u95ee\u9898\u3002<\/p>\n

\u9ad8\u5bf9\u6bd4\u8026\u5408<\/h3>\n

\u9ad8\u5bf9\u6bd4\u8026\u5408\u6307\u5728\u4f4e\u4eae\u7684\u80cc\u666f\u4e0b\uff0c\u53e0\u52a0\u9ad8\u4eae\u753b\u9762\uff0c\u4f4e\u4eae\u753b\u9762\u4e0e\u9ad8\u4eae\u753b\u9762\u540c\u884c\u7684\u533a\u57df\u51fa\u73b0\u504f\u8272\u3001\u504f\u6697\u73b0\u8c61\uff0c\u5982\u56fe7\u6240\u793a\u865a\u7ebf\u5904\u4e3a\u53e0\u52a0\u9ad8\u4eae\u753b\u9762\u3002\u9ad8\u5bf9\u6bd4\u8026\u5408\u73b0\u8c61\u4e3a\u5217\u901a\u9053\u901a\u8fc7\u884c\u7ba1\u76f8\u4e92\u5e72\u6270\u9020\u6210\uff0c\u901a\u8fc7\u8c03\u4f4e\u884c\u7ba1\u6d88\u9690\u7535\u538b\u53ef\u4e00\u5b9a\u7a0b\u5ea6\u6539\u5584\u51cf\u8f7b\u9ad8\u5bf9\u6bd4\u8026\u5408\u3002\u901a\u8fc7\u5c06\u884c\u7ba1\u6d88\u9690\u7535\u538b\u8bbe\u8ba1\u94b3\u4f4d\u7535\u538b\u7684\u65b9\u5f0f\u5373\u653e\u7535\u7ed3\u675f\u540e\u4fdd\u6301\u5728\u67d0\u4e00\u7535\u5e73\uff0c\u53ef\u4e00\u5b9a\u7a0b\u5ea6\u51cf\u8f7b\u6539\u5584\u9ad8\u5bf9\u6bd4\u8026\u5408\u3002\u4f46\u6b64\u8bbe\u8ba1\u65b9\u6cd5\u4f1a\u5e26\u6765\u77ed\u8def\u5217\u504f\u6697\u3001\u4f4e\u7070\u504f\u7ea2\u3001\u706f\u73e0 VF<\/sub> \u503c\u504f\u5927\u7b49\u95ee\u9898\u3002\u4ece\u884c\u9a71\u52a8\u89d2\u5ea6\u6765\u6539\u5584\u9ad8\u5bf9\u6bd4\u8026\u5408\u53ef\u901a\u8fc7\u8c03\u4f4e\u6d88\u9690\u7535\u538b\uff0c\u4f46\u4f1a\u5e26\u6765\u706f\u73e0\u53cd\u538b\u504f\u5927\uff0c\u77ed\u8def\u6bdb\u6bdb\u866b\u95ee\u9898\u3002<\/p>\n

\"\"<\/p>\n

Figure 7 \u9ad8\u5bf9\u6bd4\u8026\u5408<\/p>\n

\u884c\u7ba1\u6d88\u9690\u7535\u538b\u9009\u62e9<\/h3>\n

\u7efc\u4e0a\u53ef\u77e5\u884c\u7ba1\u6d88\u9690\u7535\u538b\u7684\u9009\u62e9\u9762\u4e34\u4e0a\u8bc9\u516d\u5927\u95ee\u9898\u7684\u6311\u6218\uff0c\u4e14\u4e92\u76f8\u5229\u5f0a\uff0c\u6d88\u9690\u7535\u538b\u4e0d\u80fd\u8fc7\u9ad8\u6216\u8fc7\u4f4e\u3002\u901a\u5e38\u5f00\u8def\u5341\u5b57\u67b6\u7531\u6052\u6d41\u9a71\u52a8\u4fa6\u6d4b\u6d88\u9664\uff0c\u56e0\u4e3a\u8fc7\u4f4e\u7684\u6d88\u9690\u7535\u538b\u4f1a\u964d\u4f4e\u706f\u73e0\u957f\u671f\u4f7f\u7528\u7684\u53ef\u9760\u6027\u3002ICN205X \u7cfb\u5217\u9a71\u52a8 IC \u90fd\u5177\u6709\u6d88\u9664\u5f00\u8def\u5341\u5b57\u67b6\u529f\u80fd\u3002\u4e0b\u8868\u603b\u7ed3\u4e86\u5404\u79cd\u60c5\u51b5\u4e0b\u6d88\u9690\u7535\u538b\u5408\u9002\u7684\u8303\u56f4\u3002<\/p>\n\n\n\n\n\n
\u9879\u76ee<\/td>\n\u4e0a\u9b3c\u5f71<\/td>\n\u706f\u73e0\u53cd\u538b<\/td>\n\u77ed\u8def\u6bdb\u6bdb\u866b<\/td>\n\u5f00\u8def\u5341\u5b57\u67b6<\/td>\n\u706f\u73e0VF<\/sub> \u504f\u5927<\/td>\n\u00a0\u9ad8\u5bf9\u6bd4\u8026\u5408<\/td>\n<\/tr>\n
\u6d88\u9690\u7535\u538b\u9009\u62e9<\/td>\n\u8d8a\u4f4e\u8d8a\u597d<\/td>\n\u8d8a\u9ad8\u8d8a\u597d<\/td>\n\u8d8a\u9ad8\u8d8a\u597d<\/td>\n\u8d8a\u4f4e\u8d8a\u597d<\/td>\n\u8d8a\u4f4e\u8d8a\u597d<\/td>\n\u8d8a\u4f4e\u8d8a\u597d<\/td>\n<\/tr>\n
\u76ee\u6807\u503c<\/td>\nVH<VCC\uff0d1V<\/td>\nVH>VCC\uff0d2V<\/td>\nVH>VCC\uff0d1.4V<\/td>\nVH<1.4V<\/td>\nVH<VCC\uff0d1.6V<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u56e0\u6b64\u7efc\u5408\u5904\u7406\u5404\u79cd\u5e94\u7528\u95ee\u9898\u6d88\u9690\u7535\u538b\u5728 3V~3.4V\uff08VCC=5V\uff09\u662f\u4e00\u4e2a\u6bd4\u8f83\u5408\u7406\u7684\u9009\u62e9\u3002\u96c6\u521b\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u591a\u6b3e\u96c6\u6210\u6d88\u9690\u884c\u7ba1\uff0c\u53ef\u4ee5\u6ee1\u8db3\u7528\u6237\u5404\u7c7b\u626b\u63cf\u6a21\u7ec4\u8bbe\u8ba1\u9700\u6c42\uff0c\u5408\u7406\u89e3\u51b3\u591a\u79cd\u5e94\u7528\u95ee\u9898.<\/p>\n\n\n\n\n\n\n\n
\u9879\u76ee<\/td>\nICN2012<\/td>\nICN2013<\/td>\nICN2015<\/td>\nICN2018<\/td>\n<\/tr>\n
\u89c4\u683c<\/td>\n8 \u901a\u9053 138 \u8bd1\u7801<\/td>\n8 \u901a\u9053 138 \u8bd1\u7801<\/td>\n2 \u901a\u9053 138 \u8bd1\u7801<\/td>\n8 \u901a\u9053 \u4e32\u884c\u8bd1\u7801<\/td>\n<\/tr>\n
\u5c01\u88c5<\/td>\nSOP16<\/td>\nSOP16<\/td>\nSOP8\/SOT23-6<\/td>\nSOP16<\/td>\n<\/tr>\n
\u8f93\u51fa\u7535\u6d41<\/td>\n2.5A<\/td>\n2.5A<\/td>\n3A<\/td>\n2.5A<\/td>\n<\/tr>\n
\u89e3\u51b3\u95ee\u9898<\/td>\n\u4e0a\u9b3c\u5f71\u3001\u77ed\u8def\u6bdb\u6bdb\u866b\u3001VF \u504f\u5927\u5217\u4eae\u3001\u51cf\u5c0f\u53cd\u538b\u3001\u4fdd\u62a4\u706f\u73e0\u3001\u9632\u70e7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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