{"id":3403,"date":"2026-06-23T21:51:03","date_gmt":"2026-06-23T13:51:03","guid":{"rendered":"https:\/\/jir.idv.tw\/wordpress\/?p=3403"},"modified":"2026-06-24T10:40:44","modified_gmt":"2026-06-24T02:40:44","slug":"npn%e3%80%81pnp%e9%9b%bb%e6%99%b6%e9%ab%94%ef%bc%8c%e4%b8%8a%e6%8b%89%ef%bc%8f%e4%b8%8b%e6%8b%89%e9%96%8b%e9%97%9c%e9%9b%bb%e8%b7%af%e5%9c%96%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/jir.idv.tw\/wordpress\/?p=3403","title":{"rendered":"NPN\u3001PNP\u96fb\u6676\u9ad4\uff0c\u4e0a\u62c9\uff0f\u4e0b\u62c9\u958b\u95dc\u96fb\u8def\u5716\u61c9\u7528"},"content":{"rendered":"<p>\u56e0\u70ba\u5b78\u85dd\u4e0d\u7cbe\uff0c\u52a0\u4e0a\u5de5\u4f5c\u5f8c\u5f88\u5c11\u6301\u7e8c\u61c9\u7528\u96fb\u5b50\u5143\u4ef6\uff0c\u5e7e\u4e4e\u628a\u9ad8\u4e2d\u5be6\u7fd2\u8ab2\u5b78\u7684\u90fd\u9084\u7d66\u8001\u5e2b\u4e86\u3002<br 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\/>\n\t**\u8a3b\uff1a\u7576\u58d3\u5dee\u5c0f\u65bc -0.7V\uff08\u4f8b\u5982\u56de\u5347\u8b8a\u6210\u4e86 -0.2V \u6216 0V\uff09\uff0c\u96fb\u6676\u9ad4\u6703\u9010\u6f38\u95dc\u9589\u3002<br \/>\n\t    \u63db\u8a00\u4e4b\uff0c B\u6975 \u7684\u96fb\u58d3\u4f9b\u61c9\u503c\uff0c\u53ef\u80fd\u6703\u8ddf E\u6975 \u96fb\u58d3\u4f9b\u61c9\u503c\uff0c\u5169\u8005\u7565\u70ba\u76f8\u7b49\u6642\uff0c\u624d\u80fd\u8a2d\u8a08 Vb\u5dee\u503c \u4f86\u63a7\u5236\u5c0e\u901a\u96fb\u6676\u9ad4\u958b\u95dc\u3002<br \/>\n\t\u8ca0\u8f09\u4f4d\u7f6e\uff1a\u8ca0\u8f09\u901a\u5e38\u63a5\u5728 C\u6975 \u8207 \u63a5\u5730\u7aef\uff08\u8ca0\u6975\uff09\u4e4b\u9593\uff0c\u9ad8\u7aef\u958b\u95dc\uff08High-side switch\uff09\u3002<\/code><\/p>\n<p><strong>NPN\u96fb\u6676\u9ad4\uff1a<\/strong><br \/>\n<code>\t\u5c0e\u901a\u689d\u4ef6\uff1a\u7576 B\u6975 \u96fb\u58d3\u6bd4 E\u6975 \u96fb\u58d3\u9ad8\u7d04 +0.7V \u6642\uff08Vb \uff0d Ve \uff5e\uff1d +0.7V\uff09\uff0c\u96fb\u6676\u9ad4\u958b\u59cb\u5c0e\u901a\u3002<br \/>\n\t\u96fb\u6d41\u65b9\u5411\uff1a\u96fb\u6d41\u7531 C\u6975 \u6d41\u5411 E\u6975\u3002<\/p>\n<p>\t\u95dc\u9589\u689d\u4ef6\uff1a\u7576 B\u6975 \u96fb\u58d3\u63a5\u8fd1\u6216\u7b49\u65bc E \u6975\u96fb\u58d3\u6642\uff08Vb \uff0d Ve \uff5e\uff1d 0V\uff09\uff0c\u96fb\u6676\u9ad4\u95dc\u9589\u3002<br \/>\n\t**\u8a3b\uff1a\u53ea\u8981 B\u6975 \u6c92\u8fa6\u6cd5\u6bd4 E\u6975 \u9ad8\u51fa +0.7V\uff08\u4f8b\u5982\u58d3\u5dee\u53ea\u6709 +0.3V \u6216 0V\uff09\uff0c\u96fb\u6676\u9ad4\u5c31\u7121\u6cd5\u5c0e\u901a\u3002<br \/>\n\t    \u63db\u8a00\u4e4b\uff0cB\u6975 \u7684\u96fb\u58d3\u4f9b\u61c9\u503c\uff0c\u4e0d\u4e00\u5b9a\u8981\u8ddf E\u6975 \u96fb\u58d3\u4f9b\u61c9\u503c\u63a5\u8fd1\u6216\u76f8\u540c\uff0c\u4f46\u53ea\u8981\u6709 \u6b63\u96fb+0.7V \u63d0\u4f9b\u5c31\u80fd\u63a7\u5236\u5c0e\u901a\u96fb\u6676\u9ad4\u958b\u95dc\u3002<br \/>\n\t\u8ca0\u8f09\u4f4d\u7f6e\uff1a\u8ca0\u8f09\u901a\u5e38\u63a5\u5728 \u6b63\u96fb\u58d3\u6e90(\u6b63\u6975) \u8207 C\u6975 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