{"id":441,"date":"2019-05-06T06:23:40","date_gmt":"2019-05-05T21:23:40","guid":{"rendered":"http:\/\/blog.y-lab.org\/?p=441"},"modified":"2019-05-06T06:23:40","modified_gmt":"2019-05-05T21:23:40","slug":"lm339-%e3%81%ab%e3%82%88%e3%82%8b%e3%83%ad%e3%83%bc%e3%82%b3%e3%82%b9%e3%83%88%e3%81%aa-5v-%c2%b115v-dc-dc-%e3%82%b3%e3%83%b3%e3%83%90%e3%83%bc%e3%82%bf","status":"publish","type":"post","link":"https:\/\/blog.y-lab.org\/?p=441","title":{"rendered":"LM339 \u306b\u3088\u308b\u30ed\u30fc\u30b3\u30b9\u30c8\u306a 5V -> \u00b115V DC-DC \u30b3\u30f3\u30d0\u30fc\u30bf"},"content":{"rendered":"<p>UA741 \u306a\u3069\u65e7\u4e16\u4ee3\u306e\u30a2\u30ca\u30ed\u30b0 IC \u3092\u4f7f\u3046\u3068\u304d\u306b\u5fc5\u8981\u306a \u00b115V \u306e\u4e21\u96fb\u6e90\u3092\u7528\u610f\u3059\u308b\u306e\u306f\u5c11\u3057\u9762\u5012\u3067\u3059\u3002<br \/>\n\u5358\u96fb\u6e90 +5V \u304b\u3089 \u00b115V \u306b\u5909\u63db\u3067\u304d\u308c\u3070\u3044\u3044\u306e\u3067\u3059\u304c\u3001\u305d\u3046\u3044\u3046\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u9ad8\u4fa1\u3060\u3057\u3001\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf IC \u3092 2 \u56de\u8def\u7528\u610f\u3059\u308b\u306e\u3082\u3042\u307e\u308a\u30b9\u30de\u30fc\u30c8\u306b\u898b\u3048\u307e\u305b\u3093\u3002<br \/>\n2 \u5dfb\u304d\u7dda\u30c8\u30e9\u30f3\u30b9\u3092\u4f7f\u3048\u3070\u4e21\u96fb\u6e90\u3078\u306e\u30b3\u30f3\u30d0\u30fc\u30bf\u306f\u69cb\u6210\u53ef\u80fd\u3067\u3059\u304c\u3001\u30c8\u30e9\u30f3\u30b9\u3092\u5dfb\u304f\u306e\u304c\u9762\u5012\u3067\u3059\u3002<br \/>\n\u305d\u3053\u3067\u3001\u7c21\u5358\u3067\u30ed\u30fc\u30b3\u30b9\u30c8\u306a\u65b9\u6cd5\u3068\u3057\u3066\u3001\u30b3\u30f3\u30d1\u30ec\u30fc\u30bf IC LM339 \u3092\u4f7f\u7528\u3057\u3066\u4e21\u96fb\u6e90 DC-DC \u30b3\u30f3\u30d0\u30fc\u30bf\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p><a href=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1301.jpg\"><img loading=\"lazy\" class=\"alignnone size-medium wp-image-444\" src=\"http:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1301-300x201.jpg\" alt=\"\" width=\"300\" height=\"201\" srcset=\"https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1301-300x201.jpg 300w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1301-624x419.jpg 624w, https:\/\/blog.y-lab.org\/wp-content\/uploads\/2019\/05\/Dscf1301.jpg 650w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><br \/>\n\uff08\u30c6\u30b9\u30c8\u56de\u8def; 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