{"id":17552,"date":"2026-01-19T16:25:41","date_gmt":"2026-01-19T16:25:41","guid":{"rendered":"https:\/\/www.c2psu.com\/?p=17552"},"modified":"2026-01-19T16:25:46","modified_gmt":"2026-01-19T16:25:46","slug":"%e3%83%aa%e3%83%8b%e3%82%a2%e9%9b%bb%e6%ba%90%e3%81%a8%e3%82%b9%e3%82%a4%e3%83%83%e3%83%81%e3%83%b3%e3%82%b0%e9%9b%bb%e6%ba%90%e3%81%ae%e9%81%95%e3%81%84%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.c2psu.com\/ja\/%e3%83%aa%e3%83%8b%e3%82%a2%e9%9b%bb%e6%ba%90%e3%81%a8%e3%82%b9%e3%82%a4%e3%83%83%e3%83%81%e3%83%b3%e3%82%b0%e9%9b%bb%e6%ba%90%e3%81%ae%e9%81%95%e3%81%84%e3%81%af%ef%bc%9f\/","title":{"rendered":"\u30ea\u30cb\u30a2\u96fb\u6e90\u3068\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\u306e\u9055\u3044\u306f\uff1f"},"content":{"rendered":"<p>\u96fb\u5b50\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3084\u96fb\u5b50\u88fd\u54c1\u7528\u306e\u96fb\u6e90\u3092\u9078\u629e\u3059\u308b\u969b\u3001\u6700\u3082\u57fa\u672c\u7684\u306a\u9078\u629e\u80a2\u306e1\u3064\u306f\u3001\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002&nbsp;<strong>\u30ea\u30cb\u30a2\u96fb\u6e90<\/strong>&nbsp;\u305d\u3057\u3066&nbsp;<strong>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90<\/strong>. .\u305d\u308c\u305e\u308c\u306b\u660e\u78ba\u306a\u5229\u70b9\u3001\u5236\u9650\u3001\u7406\u60f3\u7684\u306a\u7528\u9014\u304c\u3042\u308a\u307e\u3059\u3002\u9593\u9055\u3063\u305f\u30bf\u30a4\u30d7\u3092\u9078\u3076\u3068\u3001\u975e\u52b9\u7387\u3001\u904e\u71b1\u3001\u30ce\u30a4\u30ba\u5e72\u6e09\u3001\u4e0d\u5fc5\u8981\u306a\u30b3\u30b9\u30c8\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u4e3b\u306a\u9055\u3044\u3092\u8aac\u660e\u3057\u3001\u304a\u5ba2\u69d8\u306e\u5177\u4f53\u7684\u306a\u30cb\u30fc\u30ba\u306b\u57fa\u3065\u3044\u3066\u5341\u5206\u306a\u60c5\u5831\u3092\u5f97\u305f\u4e0a\u3067\u6c7a\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-they-work-two-different-philosophies\">2\u4eba\u306e\u50cd\u304d\u65b92\u3064\u306e\u7570\u306a\u308b\u54f2\u5b66<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-linear-power-supplies-the-analog-approach\"><strong>\u30ea\u30cb\u30a2\u96fb\u6e90\uff1a\u30a2\u30ca\u30ed\u30b0\u300d\u30a2\u30d7\u30ed\u30fc\u30c1<\/strong><\/h3>\n\n\n\n<p>\u30ea\u30cb\u30a2\u96fb\u6e90\u306f\u3001\u30b9\u30de\u30fc\u30c8\u3067\u9023\u7d9a\u7684\u306b\u8abf\u6574\u53ef\u80fd\u306a\u62b5\u6297\u5668\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u3002\u30b3\u30f3\u30bb\u30f3\u30c8\u304b\u3089\u306e\uff09\u4ea4\u6d41\u96fb\u5727\u3092\u30c8\u30e9\u30f3\u30b9\u3067\u964d\u5727\u3057\u3001\u76f4\u6d41\u306b\u6574\u6d41\u3057\u3001\u6700\u5f8c\u306b&nbsp;<strong>\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf<\/strong>&nbsp;\u4f59\u5206\u306a\u96fb\u5727\u3092\u71b1\u3068\u3057\u3066\u300c\u71c3\u713c\u300d\u3055\u305b\u3001\u30af\u30ea\u30fc\u30f3\u3067\u5b89\u5b9a\u3057\u305f\u51fa\u529b\u3092\u5b9f\u73fe\u3059\u308b\u3002.<\/p>\n\n\n\n<p>\u6c34\u9053\u306e\u30db\u30fc\u30b9\u306b\u5727\u529b\u8abf\u6574\u5668\u3092\u4f7f\u3046\u3088\u3046\u306a\u3082\u306e\u3060\u3068\u8003\u3048\u3066\u307b\u3057\u3044\u3002\u4f59\u5206\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u767a\u6563\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u30b9\u30e0\u30fc\u30ba\u3067\u5b89\u5b9a\u3057\u305f\u6d41\u308c\u3092\u63d0\u4f9b\u3059\u308b\u306e\u3060\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-switching-power-supplies-the-digital-approach\"><strong>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\u30c7\u30b8\u30bf\u30eb \u201c\u30a2\u30d7\u30ed\u30fc\u30c1<\/strong><\/h3>\n\n\n\n<p>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\uff08SMPS - Switch-Mode Power Supply\uff09\u306f\u3001\u9ad8\u5468\u6ce2\uff08\u901a\u5e38\u3001\u6570\u5341\uff5e\u6570\u767ekHz\uff09\u3067\u6025\u901f\u306b\u96fb\u6e90\u3092\u30aa\u30f3\uff0f\u30aa\u30d5\u3057\u307e\u3059\u3002\u3053\u306e\u300c\u30c1\u30e7\u30c3\u30d7\u3055\u308c\u305f\u300d\u4fe1\u53f7\u306f\u3001\u5909\u63db\u3001\u6574\u6d41\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u3001\u76ee\u7684\u306eDC\u51fa\u529b\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u30a8\u30cd\u30eb\u30ae\u30fc\u306f\u96e2\u6563\u7684\u306a\u30d1\u30b1\u30c3\u30c8\u3067\u4f1d\u9054\u3055\u308c\u3001\u3053\u308c\u3089\u306e\u30d1\u30eb\u30b9\u306e\u5e45\u3084\u5468\u6ce2\u6570\u3092\u5909\u5316\u3055\u305b\u308b\u3053\u3068\u3067\u8abf\u6574\u3055\u308c\u307e\u3059\uff08\u30d1\u30eb\u30b9\u5e45\u5909\u8abf\uff08PWM\uff09\u3068\u547c\u3070\u308c\u308b\u6280\u8853\uff09\u3002.<\/p>\n\n\n\n<p>\u86c7\u53e3\u3092\u7d20\u65e9\u304f\u3072\u306d\u3063\u305f\u308a\u6b62\u3081\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u3001\u7121\u99c4\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u306a\u304c\u3089\u671b\u307e\u3057\u3044\u5e73\u5747\u6d41\u91cf\u3092\u5b9f\u73fe\u3059\u308b\u3088\u3046\u306a\u3082\u306e\u3060\u3002.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-head-to-head-comparison\">\u30d8\u30c3\u30c9\u30fb\u30c8\u30a5\u30fb\u30d8\u30c3\u30c9\u306e\u6bd4\u8f03<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u7279\u5fb4<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u30ea\u30cb\u30a2\u96fb\u6e90<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90<\/th><\/tr><\/thead><tbody><tr><td><strong>\u52d5\u4f5c\u539f\u7406<\/strong><\/td><td>\u4f59\u5206\u306a\u96fb\u5727\u3092\u71b1\u3068\u3057\u3066\u653e\u6563<\/td><td>\u5165\u529b\u3092\u30c1\u30e7\u30c3\u30d7\u3057\u3001\u9ad8\u5468\u6ce2\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3067\u8abf\u6574\u3059\u308b<\/td><\/tr><tr><td><strong>\u52b9\u7387\u6027<\/strong><\/td><td>\u4f4e (30-60%) - \u71b1\u3068\u3057\u3066\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u640d\u5931\u304c\u5927\u304d\u3044\u3002<\/td><td>\u9ad8\uff0870-95%\uff09 - \u30a8\u30cd\u30eb\u30ae\u30fc\u640d\u5931\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b<\/td><\/tr><tr><td><strong>\u767a\u71b1<\/strong><\/td><td>\u975e\u5e38\u306b\u9ad8\u3044 - \u5927\u578b\u30d2\u30fc\u30c8\u30b7\u30f3\u30af\u304c\u5fc5\u8981<\/td><td>\u4f4e\uff5e\u4e2d\u7a0b\u5ea6 - \u30b3\u30f3\u30d1\u30af\u30c8\u8a2d\u8a08<\/td><\/tr><tr><td><strong>\u30b5\u30a4\u30ba\u3068\u91cd\u91cf<\/strong><\/td><td>\u5927\u304d\u304f\u91cd\u3044\uff08\u30c8\u30e9\u30f3\u30b9\u3068\u30d2\u30fc\u30c8\u30b7\u30f3\u30af\u306b\u3088\u308b\uff09<\/td><td>\u5c0f\u578b\u30fb\u8efd\u91cf\uff08\u9ad8\u5468\u6ce2\u306e\u305f\u3081\u90e8\u54c1\u304c\u5c0f\u3055\u3044\uff09<\/td><\/tr><tr><td><strong>\u51fa\u529b\u30ce\u30a4\u30ba<\/strong><\/td><td>\u975e\u5e38\u306b\u4f4e\u304f\u3001\u300c\u30af\u30ea\u30fc\u30f3\u300d\u306aDC\u51fa\u529b<\/td><td>\u9ad8\u3044 - \u9ad8\u5468\u6ce2\u30ce\u30a4\u30ba\uff0f\u30ea\u30c3\u30d7\u30eb\u3092\u767a\u751f\u3055\u305b\u308b<\/td><\/tr><tr><td><strong>\u8907\u96d1\u3055<\/strong><\/td><td>\u30b7\u30f3\u30d7\u30eb\u3067\u90e8\u54c1\u70b9\u6570\u304c\u5c11\u306a\u3044<\/td><td>\u8907\u96d1\u306a\u90e8\u54c1\u3068\u5236\u5fa1\u56de\u8def<\/td><\/tr><tr><td><strong>\u904e\u6e21\u5fdc\u7b54<\/strong><\/td><td>\u826f\u3044 - \u8ca0\u8377\u306e\u5909\u5316\u306b\u7d20\u65e9\u304f\u5bfe\u5fdc<\/td><td>\u4e00\u822c\u7684\u306b\u9045\u3044\u304c\u3001\u8a2d\u8a08\u306b\u4f9d\u5b58\u3059\u308b<\/td><\/tr><tr><td><strong>\u30b3\u30b9\u30c8\uff08\u30cf\u30a4\u30d1\u30ef\u30fc\uff09<\/strong><\/td><td>\u9ad8\u3044\uff08\u7d20\u6750\u3068\u71b1\u7ba1\u7406\u306b\u3088\u308b\uff09<\/td><td>\u3088\u308a\u4f4e\u3044<\/td><\/tr><tr><td><strong>\u30b3\u30b9\u30c8\uff08\u30ed\u30fc\u30d1\u30ef\u30fc\uff09<\/strong><\/td><td>\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u306a\u30c7\u30b6\u30a4\u30f3\u3067\u3082\u7af6\u4e89\u529b\u3092\u767a\u63ee\u3067\u304d\u308b<\/td><td>\u8907\u96d1\u306a\u305f\u3081\u3084\u3084\u9ad8\u3044<\/td><\/tr><tr><td><strong>EMI\/RFI\u5e72\u6e09<\/strong><\/td><td>\u975e\u5e38\u306b\u4f4e\u3044<\/td><td>\u9ad8\u3044\u53ef\u80fd\u6027 - \u614e\u91cd\u306a\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\uff0f\u906e\u853d\u304c\u5fc5\u8981<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-advantages-amp-disadvantages-in-detail\">\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u306e\u8a73\u7d30<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-linear-power-supply-the-pros-and-cons\"><strong>\u30ea\u30cb\u30a2\u96fb\u6e90\uff1a\u9577\u6240\u3068\u77ed\u6240<\/strong><\/h3>\n\n\n\n<p><strong>\u30e1\u30ea\u30c3\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u512a\u308c\u305f\u51fa\u529b\u54c1\u8cea\uff1a<\/strong>\u00a0\u6975\u3081\u3066\u300c\u30af\u30ea\u30fc\u30f3\u300d\u3067\u4f4e\u30ce\u30a4\u30ba\u3001\u4f4e\u30ea\u30c3\u30d7\u30eb\u306eDC\u96fb\u6e90\u3092\u4f9b\u7d66\u3057\u307e\u3059\u3002\u9ad8\u611f\u5ea6\u30a2\u30ca\u30ed\u30b0\u56de\u8def\uff08\u30aa\u30fc\u30c7\u30a3\u30aa\u30fb\u30a2\u30f3\u30d7\u3001\u30bb\u30f3\u30b5\u30fc\u3001RF\u6a5f\u5668\uff09\u306b\u6700\u9069\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30b7\u30f3\u30d7\u30eb\u3055\u3068\u4fe1\u983c\u6027\uff1a<\/strong>\u00a0\u90e8\u54c1\u70b9\u6570\u304c\u5c11\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u6f5c\u5728\u7684\u306a\u6545\u969c\u7b87\u6240\u304c\u5c11\u306a\u304f\u3001\u8a2d\u8a08\u304c\u30b7\u30f3\u30d7\u30eb\u3060\u3068\u3044\u3046\u3053\u3068\u3060\u3002.<\/li>\n\n\n\n<li><strong>\u901f\u3044\u904e\u6e21\u5fdc\u7b54\uff1a<\/strong>\u00a0\u8ca0\u8377\u96fb\u6d41\u306e\u6025\u6fc0\u306a\u5909\u5316\u306b\u975e\u5e38\u306b\u7d20\u65e9\u304f\u53cd\u5fdc\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u6700\u5c0f\u9650\u306eEMI\uff1a<\/strong>\u00a0\u9ad8\u5468\u6ce2\u96fb\u78c1\u5e72\u6e09\u3092\u307b\u3068\u3093\u3069\u767a\u751f\u3055\u305b\u306a\u3044\u305f\u3081\u3001\u898f\u5236\u306eEMC\u30c6\u30b9\u30c8\u306b\u5408\u683c\u3057\u3084\u3059\u3044\u3002.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30c7\u30e1\u30ea\u30c3\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f4e\u52b9\u7387\uff1a<\/strong>\u00a0\u7279\u306b\u5165\u529b\u96fb\u5727\u3068\u51fa\u529b\u96fb\u5727\u306e\u5dee\u304c\u5927\u304d\u3044\u5834\u5408\u3001\u5165\u529b\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u591a\u304f\u304c\u71b1\u3068\u3057\u3066\u6d6a\u8cbb\u3055\u308c\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u304b\u3055\u3070\u308b\u3057\u91cd\u3044\uff1a<\/strong>\u00a0\u4f4e\u5468\u6ce2\u30c8\u30e9\u30f3\u30b9\u3068\u5927\u578b\u30d2\u30fc\u30c8\u30b7\u30f3\u30af\u306f\u5927\u304d\u306a\u30b9\u30da\u30fc\u30b9\u3092\u53d6\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u9650\u3089\u308c\u305f\u67d4\u8edf\u6027\uff1a<\/strong>\u00a0\u901a\u5e38\u3001\u7279\u5b9a\u306e\u5165\u51fa\u529b\u96fb\u5727\u306e\u7d44\u307f\u5408\u308f\u305b\u7528\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3002\u5e83\u3044\u5165\u529b\u7bc4\u56f2\u306b\u306f\u4e0d\u5411\u304d\u3002.<\/li>\n\n\n\n<li><strong>\u71b1\u7ba1\u7406\uff1a<\/strong>\u00a0\u5927\u5e45\u306a\u63db\u6c17\u3084\u30d2\u30fc\u30c8\u30b7\u30f3\u30af\u304c\u5fc5\u8981\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-switching-power-supply-the-pros-and-cons\"><strong>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\uff1a\u9577\u6240\u3068\u77ed\u6240<\/strong><\/h3>\n\n\n\n<p><strong>\u30e1\u30ea\u30c3\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9ad8\u52b9\u7387\uff1a<\/strong>\u00a0\u7121\u99c4\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u307b\u3068\u3093\u3069\u6d88\u8cbb\u3057\u306a\u3044\u305f\u3081\u3001\u51b7\u5374\u904b\u8ee2\u3068\u96fb\u6c17\u6599\u91d1\u306e\u524a\u6e1b\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u30d0\u30c3\u30c6\u30ea\u30fc\u99c6\u52d5\u3084\u30cf\u30a4\u30d1\u30ef\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u4e0d\u53ef\u6b20\u3002.<\/li>\n\n\n\n<li><strong>\u5c0f\u3055\u304f\u3066\u8efd\u3044\uff1a<\/strong>\u00a0\u9ad8\u5468\u6ce2\u52d5\u4f5c\u306b\u3088\u308a\u3001\u5c0f\u3055\u306a\u30c8\u30e9\u30f3\u30b9\u3084\u30d5\u30a3\u30eb\u30bf\u30fc\u90e8\u54c1\u3092\u4f7f\u7528\u3067\u304d\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u67d4\u8edf\u6027\u3068\u591a\u7528\u9014\u6027\uff1a<\/strong>\u00a0\u5e83\u3044\u5165\u529b\u96fb\u5727\u7bc4\u56f2\u306b\u5bfe\u5fdc\uff08\u4f8b\uff1aAC90\uff5e264V\uff09\u30021\u53f0\u3067\u8907\u6570\u306e\u51fa\u529b\u96fb\u5727\uff08+12V\u3001-12V\u3001+5V\u3001+3.3V\u306a\u3069\uff09\u3092\u7c21\u5358\u306b\u751f\u6210\u53ef\u80fd\u3002.<\/li>\n\n\n\n<li><strong>\u9ad8\u3044\u51fa\u529b\u5bc6\u5ea6\uff1a<\/strong>\u00a0\u30ea\u30cb\u30a2\u96fb\u6e90\u3088\u308a\u3082\u5358\u4f4d\u4f53\u7a4d\u30fb\u91cd\u91cf\u5f53\u305f\u308a\u306e\u96fb\u529b\u4f9b\u7d66\u91cf\u304c\u306f\u308b\u304b\u306b\u5927\u304d\u3044\u3002.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u30c7\u30e1\u30ea\u30c3\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u51fa\u529b\u30ce\u30a4\u30ba\uff1a<\/strong>\u00a0\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30fb\u30ce\u30a4\u30ba\u3068\u30ea\u30c3\u30d7\u30eb\u306f\u3001\u9069\u5207\u306b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u306a\u3044\u3068\u3001\u654f\u611f\u306a\u56de\u8def\u306b\u5e72\u6e09\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u8907\u96d1\u306a\u30c7\u30b6\u30a4\u30f3\uff1a<\/strong>\u00a0\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u5897\u3048\u3001\u5236\u5fa1\u30eb\u30fc\u30d7\u304c\u8907\u96d1\u306b\u306a\u308b\u3068\u3001\u8a2d\u8a08\u304c\u8907\u96d1\u306b\u306a\u308a\u3001\u6f5c\u5728\u7684\u306a\u6545\u969c\u30e2\u30fc\u30c9\u3082\u5897\u3048\u308b\u3002.<\/li>\n\n\n\n<li><strong>EMI\u306e\u8ab2\u984c\uff1a<\/strong>\u00a0\u9ad8\u5468\u6ce2\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306f\u96fb\u78c1\u5e72\u6e09\uff08EMI\uff09\u3092\u767a\u751f\u3055\u305b\u308b\u305f\u3081\u3001\u898f\u683c\u3092\u6e80\u305f\u3059\u306b\u306f\u614e\u91cd\u306aPCB\u30ec\u30a4\u30a2\u30a6\u30c8\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u30b7\u30fc\u30eb\u30c9\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u632f\u52d5\u306e\u53ef\u80fd\u6027\uff1a<\/strong>\u00a0\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u5236\u5fa1\u30eb\u30fc\u30d7\u306f\u3001\u9069\u5207\u306b\u88dc\u6b63\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u4e0d\u5b89\u5b9a\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-when-to-choose-which-type-application-guide\">\u3069\u306e\u30bf\u30a4\u30d7\u3092\u9078\u3076\u3079\u304d\u304b\uff1f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ac\u30a4\u30c9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-choose-a-linear-power-supply-when\"><strong>\u30ea\u30cb\u30a2\u96fb\u6e90\u306e\u9078\u629e<\/strong><\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u4fe1\u53f7\u306e\u5fe0\u5b9f\u6027\u304c\u91cd\u8981<\/strong>\u00a0\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u3060\uff1a\n<ul class=\"wp-block-list\">\n<li>\u30aa\u30fc\u30c7\u30a3\u30aa\u30fb\u30d7\u30ea\u30a2\u30f3\u30d7\u3068\u30cf\u30a4\u30d5\u30a1\u30a4\u6a5f\u5668<\/li>\n\n\n\n<li>\u7cbe\u5bc6\u30a2\u30ca\u30ed\u30b0\u30bb\u30f3\u30b5\u30fc\u56de\u8def<\/li>\n\n\n\n<li>\u30e9\u30dc\u30e9\u30c8\u30ea\u30fc\u304a\u3088\u3073\u8a66\u9a13\u30fb\u8a08\u6e2c\u6a5f\u5668<\/li>\n\n\n\n<li>RF\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u304a\u3088\u3073\u7121\u7dda\u53d7\u4fe1\u6a5f<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4f4e\u30ce\u30a4\u30ba\u306f\u8b72\u308c\u306a\u3044\uff1a<\/strong>\u00a0\u308f\u305a\u304b\u306a\u96fb\u6e90\u30ce\u30a4\u30ba\u3067\u3082\u30b7\u30b9\u30c6\u30e0\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u5834\u5408\u3002.<\/li>\n\n\n\n<li><strong>\u8d85\u4f4e\u6d88\u8cbb\u96fb\u529b\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u56de\u8def\u306e\u305f\u3081\u306b\uff1a<\/strong>\u00a0\u52b9\u7387\u3084\u30b5\u30a4\u30ba\u306f\u91cd\u8981\u3067\u306f\u306a\u3044\u304c\u3001\u30b7\u30f3\u30d7\u30eb\u3055\u3068\u4f4e\u30b3\u30b9\u30c8\u306f\u91cd\u8981\u3067\u3042\u308b\uff08\u4f8b\u3048\u3070\u3001\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u7528\u306e\u30b7\u30f3\u30d7\u30eb\u306a5V\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\uff09\u3002.<\/li>\n\n\n\n<li><strong>\u30dd\u30b9\u30c8\u30fb\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u30fc\u300d\u3068\u3057\u3066\uff1a<\/strong>\u00a0\u30ce\u30a4\u30ba\u306e\u591a\u3044\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\u306b\u7d9a\u3044\u3066\u3001\u9ad8\u611f\u5ea6\u30a2\u30ca\u30ed\u30b0\u30fb\u30b9\u30c6\u30fc\u30b8\u306e\u51fa\u529b\u3092\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u3059\u308b\u3002.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-choose-a-switching-power-supply-when\"><strong>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\u306e\u9078\u629e<\/strong><\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u52b9\u7387\u3068\u71b1\u3092\u7b2c\u4e00\u306b\u8003\u3048\u308b<\/strong>\u00a0\u305d\u306e\u305f\u3081\u306b\u306f\u4e0d\u53ef\u6b20\u3060\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5927\u96fb\u529b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u30e2\u30fc\u30bf\u30fc\u30c9\u30e9\u30a4\u30d6\uff09<\/li>\n\n\n\n<li>\u30d0\u30c3\u30c6\u30ea\u30fc\u99c6\u52d5\uff0f\u643a\u5e2f\u6a5f\u5668\uff08\u30ce\u30fc\u30c8\u30d1\u30bd\u30b3\u30f3\u3001\u96fb\u8a71\u3001IoT\u6a5f\u5668\uff09<\/li>\n\n\n\n<li>\u51b7\u5374\u304c\u56f0\u96e3\u307e\u305f\u306f\u9ad8\u4fa1\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30b9\u30da\u30fc\u30b9\u3068\u91cd\u91cf\u306b\u306f\u9650\u308a\u304c\u3042\u308a\u307e\u3059\uff1a<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5bb6\u96fb\u88fd\u54c1\uff08\u30c6\u30ec\u30d3\u3001\u30b2\u30fc\u30e0\u6a5f\uff09<\/li>\n\n\n\n<li>LED\u7167\u660e\u30c9\u30e9\u30a4\u30d0\u30fc<\/li>\n\n\n\n<li>\u6700\u65b0\u306e\u5c0f\u578b\u96fb\u5b50\u88fd\u54c1<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5165\u529b\u96fb\u5727\u306f\u5e45\u5e83\u304f\u5909\u5316\u3059\u308b\uff1a<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u8eca\u8f09\u7528\u96fb\u5b50\u6a5f\u5668\uff089V\uff5e16V\u4ee5\u4e0a\u3092\u6271\u3046\u3053\u3068\uff09<\/li>\n\n\n\n<li>\u4e16\u754c\u4e2d\u3067\u8ca9\u58f2\u3055\u308c\u3066\u3044\u308b\u88fd\u54c1\uff08110V\u304a\u3088\u3073220V\u306e\u4e3b\u96fb\u6e90\u3067\u52d5\u4f5c\u3059\u308b\u3053\u3068\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u8907\u6570\u306e\u51fa\u529b\u96fb\u5727\u304c\u5fc5\u8981\uff1a<\/strong>\u00a0\u30de\u30b6\u30fc\u30dc\u30fc\u30c9\u3084\u7523\u696d\u7528\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u3088\u3046\u306a\u8907\u96d1\u306a\u30c7\u30b8\u30bf\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u304f\u898b\u3089\u308c\u308b\u3002.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-modern-landscape-a-blended-approach\">\u73fe\u4ee3\u306e\u98a8\u666f\u30d6\u30ec\u30f3\u30c9\u30fb\u30a2\u30d7\u30ed\u30fc\u30c1<\/h2>\n\n\n\n<p>\u4eca\u65e5\u3001\u305d\u306e\u9078\u629e\u306f\u5fc5\u305a\u3057\u3082\u4e8c\u8005\u629e\u4e00\u3067\u306f\u306a\u3044\u3002\u591a\u304f\u306e\u6d17\u7df4\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u306f&nbsp;<strong>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30fb\u30a2\u30d7\u30ed\u30fc\u30c1<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A\u00a0<strong>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30d7\u30ea\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf<\/strong>\u00a0\u306f\u3001\u52b9\u7387\u7684\u306a\u30d0\u30eb\u30af\u96fb\u5727\u5909\u63db\u306e\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u3002.<\/li>\n\n\n\n<li>\u7d9a\u304f\u00a0<strong>\u4f4e\u30c9\u30ed\u30c3\u30d7\u30a2\u30a6\u30c8\uff08LDO\uff09\u30ea\u30cb\u30a2\u30fb\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf<\/strong>\u00a0FPGA\u3001ADC\u3001DAC\u306a\u3069\u306e\u9ad8\u611f\u5ea6\u30a2\u30ca\u30ed\u30b0IC\u3084\u30c7\u30b8\u30bf\u30ebIC\u306b\u8d85\u30af\u30ea\u30fc\u30f3\u3067\u5b89\u5b9a\u3057\u305f\u96fb\u529b\u3092\u4f9b\u7d66\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u306e\u52b9\u7387\u3068\u30ea\u30cb\u30a2\u30fb\u30ec\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u6027\u80fd\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3082\u306e\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-quick-decision-checklist\">\u5373\u6c7a\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/h2>\n\n\n\n<p>\u6b21\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u305f\u3081\u306b\u3001\u6b21\u306e\u8cea\u554f\u3092\u81ea\u5206\u306b\u6295\u3052\u304b\u3051\u3066\u307f\u3088\u3046\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>\u304a\u5ba2\u69d8\u306e\u3054\u8981\u671b<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>\u5bc4\u308a\uff1a<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u30aa\u30fc\u30c7\u30a3\u30aa\/\u30a2\u30ca\u30ed\u30b0\u56de\u8def\u7528\u306e\u30af\u30ea\u30fc\u30f3\u3067\u4f4e\u30ce\u30a4\u30ba\u306e\u96fb\u6e90\uff1f<\/td><td><strong>\u30ea\u30cb\u30a2<\/strong><\/td><\/tr><tr><td>\u6700\u5927\u9650\u306e\u52b9\u7387\u3068\u6700\u5c0f\u9650\u306e\u71b1\u91cf\uff1f<\/td><td><strong>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0<\/strong><\/td><\/tr><tr><td>\u53ef\u80fd\u306a\u9650\u308a\u5c0f\u3055\u304f\u3001\u8efd\u3044\u30d5\u30a9\u30fc\u30e0\u30d5\u30a1\u30af\u30bf\u30fc\uff1f<\/td><td><strong>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0<\/strong><\/td><\/tr><tr><td>\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c7\u30b6\u30a4\u30f3\uff1f<\/td><td><strong>\u30ea\u30cb\u30a2<\/strong>&nbsp;(\u4f4e\u96fb\u529b\u7528)<\/td><\/tr><tr><td>\u9ad8\u51fa\u529b\uff08&gt;10W\uff09\uff1f<\/td><td><strong>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0<\/strong><\/td><\/tr><tr><td>\u5e83\u3044\u5165\u529b\u96fb\u5727\u3067\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u52d5\u4f5c\uff1f<\/td><td><strong>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0<\/strong><\/td><\/tr><tr><td>\u30b7\u30f3\u30d7\u30eb\u3067\u4f4e\u6d88\u8cbb\u96fb\u529b\u306e\u56de\u8def\u306a\u306e\u306b\u3001\u975e\u5e38\u306b\u4f4e\u30b3\u30b9\u30c8\uff1f<\/td><td><strong>\u30ea\u30cb\u30a2<\/strong>&nbsp;(\u7af6\u5408\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\uff09<\/td><\/tr><tr><td>EMI\/EMC\u30c6\u30b9\u30c8\u306b\u7c21\u5358\u306b\u5408\u683c\u3067\u304d\u308b\u304b\u5fc3\u914d\u3067\u3059\u304b\uff1f<\/td><td><strong>\u30ea\u30cb\u30a2<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-final-verdict\">\u6700\u7d42\u8a55\u6c7a<\/h2>\n\n\n\n<p>\u666e\u904d\u7684\u306b\u300c\u3088\u308a\u826f\u3044\u300d\u30bf\u30a4\u30d7\u306f\u306a\u3044\u3002\u305d\u308c\u305e\u308c\u304c\u7570\u306a\u308b\u4ed5\u4e8b\u306b\u5bfe\u3057\u3066\u512a\u308c\u305f\u30c4\u30fc\u30eb\u306a\u306e\u3060\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30ea\u30cb\u30a2\u96fb\u6e90\u3092\u8003\u3048\u308b<\/strong>\u00a0\u3068\u3057\u3066\u00a0<strong>\u7cbe\u5bc6\u5b9f\u9a13\u5668\u5177<\/strong>-\u30d0\u30eb\u30af\u3068\u52b9\u7387\u3092\u72a0\u7272\u306b\u3057\u3066\u3001\u6027\u80fd\u3068\u7d14\u5ea6\u3092\u512a\u5148\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u96fb\u6e90\u306b\u3064\u3044\u3066\u8003\u3048\u308b<\/strong>\u00a0\u3068\u3057\u3066\u00a0<strong>\u9ad8\u52b9\u7387\u30a8\u30f3\u30b8\u30f3<\/strong>-\u30b3\u30f3\u30d1\u30af\u30c8\u3055\u3001\u591a\u7528\u9014\u6027\u3001\u7701\u30a8\u30cd\u3092\u512a\u5148\u3059\u308b\u4e00\u65b9\u3067\u3001\u201c\u3046\u308b\u3055\u3055 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.\u3057\u304b\u3057\u3001,&nbsp;<strong>\u30ea\u30cb\u30a2\u96fb\u6e90\u306f\u4f9d\u7136\u3068\u3057\u3066\u4e0d\u53ef\u6b20<\/strong>&nbsp;\u305d\u306e\u512a\u308c\u305f\u51fa\u529b\u54c1\u8cea\u304c\u3001\u305d\u306e\u6b20\u70b9\u3092\u6b63\u5f53\u5316\u3059\u308b\u3088\u3046\u306a\u30cb\u30c3\u30c1\u306a\u5206\u91ce\u3067\u306f\u3002.<\/p>\n\n\n\n<p><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u91cd\u8981\u306a\u30a2\u30ca\u30ed\u30b0\u30fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u30ea\u30cb\u30a2\u3092\u304a\u9078\u3073\u304f\u3060\u3055\u3044\u3002\u30b5\u30a4\u30ba\u3001\u52b9\u7387\u3001\u67d4\u8edf\u6027\u304c\u91cd\u8981\u306a\u305d\u306e\u4ed6\u306e\u7528\u9014\u306b\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3092\u304a\u9078\u3073\u304f\u3060\u3055\u3044\u3002.<\/strong><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>When selecting a power supply for your electronic project or product, one of the most fundamental 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