{"id":6860,"date":"2026-06-24T08:48:54","date_gmt":"2026-06-24T08:48:54","guid":{"rendered":"https:\/\/lead-pcb.com\/?p=6860"},"modified":"2026-06-24T08:49:04","modified_gmt":"2026-06-24T08:49:04","slug":"power-pcb-and-power-supply-pcb-design-guide","status":"publish","type":"post","link":"https:\/\/lead-pcb.com\/ko\/blog\/power-pcb-and-power-supply-pcb-design-guide\/","title":{"rendered":"\uc804\ub825 PCB \ubc0f \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB \uc124\uacc4 \uac00\uc774\ub4dc"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>\uc804\ub825 PCB\ub294 \uc804\ub825\uc744 \ubc1b\uc544 \ubcc0\ud658, \uc870\uc815, \ubd84\ubc30\ud558\uac70\ub098 \ubaa8\ub2c8\ud130\ub9c1\ud558\ub294 \ud68c\ub85c \uae30\ud310\uc785\ub2c8\ub2e4.<\/strong> \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB\ub294 \uc804\ub825 PCB\uc758 \ud55c \uc885\ub958\ub85c, AC \uc804\uc6d0, \ubc30\ud130\ub9ac, USB \uc804\uc6d0 \ub610\ub294 DC \ubc84\uc2a4\uc640 \uac19\uc740 \uc785\ub825 \uc804\uc6d0\uc744 \uc804\uc790 \uc81c\ud488\uc5d0 \uacf5\uae09\ud560 \uc548\uc815\uc801\uc778 \ucd9c\ub825 \uc804\uc555 \ub808\uc77c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc804\ub825 PCB\uc758 \ud488\uc9c8\uc740 \ud68c\ub85c\ub3c4\ub9cc\uc73c\ub85c \uacb0\uc815\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/strong> \uc804\ub958 \uacbd\ub85c, \uad6c\ub9ac \ub450\uaed8, \ubd80\ud488 \ubc30\uce58, \uc5f4 \uc124\uacc4, \uc811\uc9c0, \uc804\uc790\uae30 \uac04\uc12d, \uc808\uc5f0 \uac04\uaca9 \ubc0f \ubcf4\ud638 \uae30\ub2a5\uc5d0 \ub530\ub77c \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uc758 \ud6a8\uc728\uc131, \uc800\uc18c\uc74c\uc131, \uc548\uc804\uc131 \ubc0f \uc2e0\ub8b0\uc131\uc774 \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc804\ub825 PCB\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\ub825 PCB\ub294 \uc81c\ud488 \ub0b4\ubd80\uc5d0\uc11c \uc804\uae30 \uc5d0\ub108\uc9c0\ub97c \uc804\ub2ec\ud558\uace0 \uad00\ub9ac\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uae30\ub2a5 \uc911 \ud558\ub098 \uc774\uc0c1\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AC\ub97c DC\ub85c \ubcc0\ud658<\/li>\n\n\n\n<li>\uc804\uc555\uc744 \ub192\uc774\uac70\ub098 \ub0ae\ucda4<\/li>\n\n\n\n<li>\ud558\ub098 \uc774\uc0c1\uc758 DC \uc804\uc555 \ub808\uc77c \uc870\uc815<\/li>\n\n\n\n<li>\ubc30\ud130\ub9ac \ucda9\uc804 \ub610\ub294 \ubcf4\ud638<\/li>\n\n\n\n<li>\uc5ec\ub7ec \ud558\uc704 \uc2dc\uc2a4\ud15c\uc5d0 \uc804\ub825 \ubd84\ubc30<\/li>\n\n\n\n<li>\ubaa8\ud130, LED, \ub9b4\ub808\uc774 \ub610\ub294 \uc561\ucd94\uc5d0\uc774\ud130 \uad6c\ub3d9<\/li>\n\n\n\n<li>\uc804\uc555, \uc804\ub958, \uc628\ub3c4 \ub610\ub294 \uace0\uc7a5 \ubaa8\ub2c8\ud130\ub9c1<\/li>\n\n\n\n<li>\uc785\ub825 \ub610\ub294 \ucd9c\ub825 \uc804\uc555 \ub808\uc77c\uc758 \uc7a1\uc74c \ud544\ud130\ub9c1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\ub825 PCB\ub294 12V\ub97c 5V\ub85c \uc870\uc815\ud558\ub294 \uc18c\ud615 \uae30\ud310\ucc98\ub7fc \ub9e4\uc6b0 \ub2e8\uc21c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uba74 \uace0\uc804\ub825 \uc2a4\uc704\uce58 \ubaa8\ub4dc \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58, \uc804\uae30\ucc28 \ubc30\ud130\ub9ac \uad00\ub9ac \uae30\ud310, \uc0b0\uc5c5\uc6a9 \ubaa8\ud130 \ub4dc\ub77c\uc774\ube0c, \uc11c\ubc84 \uc804\uc6d0 \ubaa8\ub4c8 \ub610\ub294 \uc7ac\uc0dd \uc5d0\ub108\uc9c0 \uc81c\uc5b4\uae30\ucc98\ub7fc \ubcf5\uc7a1\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc804\ub825 PCB\uc640 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB \ube44\uad50<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uc6a9\uc5b4\ub294 \ubc00\uc811\ud558\uac8c \uad00\ub828\ub418\uc5b4 \uc788\uc9c0\ub9cc, \uc758\ubbf8\uac00 \uac19\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uc6a9\uc5b4<\/th><th>\uc758\ubbf8<\/th><\/tr><\/thead><tbody><tr><td>\uc804\ub825 PCB<\/td><td>\uc804\ub825\uc744 \ucc98\ub9ac, \ubd84\ubc30, \ubcc0\ud658 \ub610\ub294 \uc81c\uc5b4\ud558\ub294 \ubaa8\ub4e0 PCB<\/td><\/tr><tr><td>\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB<\/td><td>\uc785\ub825 \uc804\uc6d0\uc73c\ub85c\ubd80\ud130 \uc870\uc815\ub41c \uc804\uc555 \ub808\uc77c\uc744 \uc0dd\uc131\ud558\ub3c4\ub85d \ud2b9\ubcc4\ud788 \uc124\uacc4\ub41c PCB<\/td><\/tr><tr><td>\uc804\ub825 \ubd84\ubc30 PCB<\/td><td>\uc5ec\ub7ec \ubd80\ud558\uc5d0 \uc804\ub825\uc744 \uc804\ub2ec\ud558\ub294 PCB\ub85c, \ud4e8\uc988, \uc2a4\uc704\uce58, \ubaa8\ub2c8\ud130 \ubc0f \ubcf4\ud638 \ud68c\ub85c\uac00 \ud3ec\ud568\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uc804\ub825 \uc804\uc790 PCB<\/td><td>\ucee8\ubc84\ud130, \uc2a4\uc704\uce58, \ub4dc\ub77c\uc774\ubc84 \ubc0f \uc81c\uc5b4 \ud68c\ub85c\ub97c \uc0ac\uc6a9\ud574 \uc0c1\ub2f9\ud55c \uc804\uae30 \uc5d0\ub108\uc9c0\ub97c \uad00\ub9ac\ud558\ub294 \uae30\ud310\uc744 \uac00\ub9ac\ud0a4\ub294 \ub354 \ud3ec\uad04\uc801\uc778 \uc6a9\uc5b4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ub178\ud2b8\ubd81 \uba54\uc778\ubcf4\ub4dc\uc5d0\ub294 \uc804\uc555 \uc870\uc815\uae30\uc640 \uc804\ub825 \ubd84\ubc30 \ub124\ud2b8\uc6cc\ud06c\uac00 \uc788\uc73c\ubbc0\ub85c \uc804\ub825 PCB\uc785\ub2c8\ub2e4. USB-C \ucda9\uc804\uae30 \uae30\ud310\uc740 \uc8fc\ub41c \ubaa9\uc801\uc774 \uc804\ub825 \ubcc0\ud658\uacfc \uc870\uc815\uc774\ubbc0\ub85c \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB\uc758 \uc8fc\uc694 \uc720\ud615<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uc120\ud615 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc120\ud615 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub294 \ubcc0\uc555\uae30, \uc815\ub958\uae30, \ud544\ud130 \ucee4\ud328\uc2dc\ud130 \ubc0f \uc120\ud615 \ub808\uade4\ub808\uc774\ud130\ub97c \uc0ac\uc6a9\ud574 \uc548\uc815\uc801\uc778 DC \ucd9c\ub825\uc744 \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7a5\uc810:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc804\uae30\uc801 \uc7a1\uc74c\uc774 \uc801\uc74c<\/li>\n\n\n\n<li>\uad6c\uc870\uac00 \ub2e8\uc21c\ud568<\/li>\n\n\n\n<li>\ubbfc\uac10\ud55c \uc544\ub0a0\ub85c\uadf8 \ud68c\ub85c\uc5d0 \uc801\ud569\ud568<\/li>\n\n\n\n<li>\ubb38\uc81c \ud574\uacb0\uc774 \uac04\ud3b8\ud568<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc810:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud6a8\uc728\uc774 \ub0ae\uc74c<\/li>\n\n\n\n<li>\uc804\uc555 \uac15\ud558\uac00 \ud06c\uac70\ub098 \uc804\ub958\uac00 \ub192\uc744 \ub54c \uc5f4\uc774 \ub9ce\uc774 \ubc1c\uc0dd\ud568<\/li>\n\n\n\n<li>\ud06c\uace0 \ubb34\uac70\uc6b4 \uacbd\uc6b0\uac00 \ub9ce\uc74c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc120\ud615 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub294 \uc800\uc7a1\uc74c \uacc4\uce21 \uc7a5\ube44, \uc624\ub514\uc624 \ud68c\ub85c, \ub2e8\uc21c\ud55c \uc784\ubca0\ub514\ub4dc \uc81c\ud488 \ubc0f \uc800\uc804\ub825 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc5ec\uc804\ud788 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc2a4\uc704\uce58 \ubaa8\ub4dc \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\uc704\uce58 \ubaa8\ub4dc \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58(SMPS)\ub294 \uace0\uc8fc\ud30c \uc2a4\uc704\uce6d, \uc778\ub355\ud130, \ubcc0\uc555\uae30, \ub2e4\uc774\uc624\ub4dc \ub610\ub294 \ub3d9\uae30\uc2dd MOSFET, \ucee4\ud328\uc2dc\ud130 \ubc0f \uc81c\uc5b4 IC\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \ucee8\ubc84\ud130 \uc720\ud615\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubc85 \ucee8\ubc84\ud130: \uc804\uc555\uc744 \ub0ae\ucda4<\/li>\n\n\n\n<li>\ubd80\uc2a4\ud2b8 \ucee8\ubc84\ud130: \uc804\uc555\uc744 \ub192\uc784<\/li>\n\n\n\n<li>\ubc85-\ubd80\uc2a4\ud2b8 \ucee8\ubc84\ud130: \uc804\uc555\uc744 \ub192\uc774\uac70\ub098 \ub0ae\ucd9c \uc218 \uc788\uc74c<\/li>\n\n\n\n<li>\ud50c\ub77c\uc774\ubc31 \ucee8\ubc84\ud130: \uc808\uc5f0 \ubc0f \ub2e4\uc911 \ucd9c\ub825\uc744 \uc81c\uacf5\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc74c<\/li>\n\n\n\n<li>\ud3ec\uc6cc\ub4dc \ucee8\ubc84\ud130: \ub354 \ub192\uc740 \uc804\ub825\uc758 \uc808\uc5f0\ud615 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uc5d0 \ud754\ud788 \uc0ac\uc6a9\ub429\ub2c8\ub2e4<\/li>\n\n\n\n<li>LLC \uacf5\uc9c4 \ucee8\ubc84\ud130: \ud6a8\uc728\uc774 \uc911\uc694\ud55c \uace0\uc804\ub825 \uc124\uacc4\uc5d0 \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7a5\uc810:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub192\uc740 \ud6a8\uc728<\/li>\n\n\n\n<li>\uc120\ud615 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ubcf4\ub2e4 \uc791\uc740 \uc790\uae30 \uc18c\uc790\uc640 \ucee4\ud328\uc2dc\ud130<\/li>\n\n\n\n<li>\ub3d9\uc77c\ud55c \uc804\ub825\uc5d0\uc11c \ubc1c\uc5f4\ub7c9 \uac10\uc18c<\/li>\n\n\n\n<li>\ub2e4\uc591\ud55c \uc785\ub825 \ubc0f \ucd9c\ub825 \uc804\uc555 \uc635\uc158<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc810:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub808\uc774\uc544\uc6c3\uc5d0 \ub354 \ubbfc\uac10\ud568<\/li>\n\n\n\n<li>\uc804\uc790\uae30 \uac04\uc12d\uc744 \uc77c\uc73c\ud0ac \uc218 \uc788\uc74c<\/li>\n\n\n\n<li>\uc138\uc2ec\ud55c \uc81c\uc5b4 \ub8e8\ud504 \ubc0f \uc5f4 \uc124\uacc4 \ud544\uc694<\/li>\n\n\n\n<li>\uc124\uacc4\uac00 \ubd88\uc548\uc815\ud560 \uacbd\uc6b0 \ub514\ubc84\uae45\uc774 \ub354 \uc5b4\ub824\uc6c0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud575\uc2ec \uacfc\uc81c: \uc804\ub958 \ub8e8\ud504 \uc81c\uc5b4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\ub825 PCB \ub808\uc774\uc544\uc6c3\uc740 \uc804\ub958 \ud750\ub984\uc744 \uace0\ub824\ud558\ub294 \uac83\ubd80\ud130 \uc2dc\uc791\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\ub958\ub294 \uc785\ub825 \ucee4\ub125\ud130\uc5d0\uc11c \ucd9c\ub825 \ucee4\ub125\ud130\ub85c \ub2e8\uc21c\ud788 \uc774\ub3d9\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc804\ub958\ub294 \uc644\uc804\ud55c \ub8e8\ud504\ub97c \ub530\ub77c \ud750\ub985\ub2c8\ub2e4. \uc2a4\uc704\uce58 \ubaa8\ub4dc \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uc5d0\uc11c\ub294 \uc77c\ubd80 \ub8e8\ud504\uc5d0 \ube60\ub974\uac8c \ubcc0\ud558\ub294 \uc804\ub958\uac00 \ud750\ub974\uba70, \ub8e8\ud504\uac00 \ub108\ubb34 \ud06c\uac70\ub098 \ubc30\uc120\uc774 \uc801\uc808\ud558\uc9c0 \uc54a\uc73c\uba74 \uc804\uc555 \uc2a4\ud30c\uc774\ud06c, \ub9c1\uc789, \ub178\uc774\uc988 \ubc0f EMI\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ubc85 \ucee8\ubc84\ud130\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \ub8e8\ud504\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc785\ub825 \ucee4\ud328\uc2dc\ud130<\/li>\n\n\n\n<li>\uc2a4\uc704\uce6d MOSFET \ub610\ub294 \ucee8\ubc84\ud130 IC<\/li>\n\n\n\n<li>\uc811\uc9c0 \uadc0\ud658 \uacbd\ub85c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ub8e8\ud504\ub294 \uc791\uace0 \ud3ed\uc774 \ub113\uc5b4\uc57c \ud558\uba70, \uad6c\uc131 \uc694\uc18c\ub4e4\uc774 \uc11c\ub85c \ubb3c\ub9ac\uc801\uc73c\ub85c \uac00\uae5d\uac8c \ubc30\uce58\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc5f0\uacb0\uc774 \uae38\uba74 \uc778\ub355\ud134\uc2a4\uac00 \uc99d\uac00\ud558\uace0 \ud68c\ub85c\uc758 \ub178\uc774\uc988\uac00 \ucee4\uc9c0\ubbc0\ub85c \uc785\ub825 \ucee4\ud328\uc2dc\ud130\ub97c \uc2a4\uc704\uce6d \uc18c\uc790 \uac00\uae4c\uc774\uc5d0 \ubc30\uce58\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc720\uc6a9\ud55c \uc124\uacc4 \uc6d0\uce59\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\uace0\uc804\ub958 \ubc0f \uace0\uc8fc\ud30c \ub8e8\ud504\ub294 \uac00\ub2a5\ud55c \ud55c \uc791\uac8c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc6d0\uce59 \ud558\ub098\ub9cc\uc73c\ub85c\ub3c4 \ud6a8\uc728\uc744 \ub192\uc774\uace0, \uc804\uc555 \uc624\ubc84\uc288\ud2b8\ub97c \uc904\uc774\uba70, \ubc29\uc0ac \ub178\uc774\uc988\ub97c \uc81c\ud55c\ud558\uace0, \ucee8\ubc84\ud130\uac00 \uc608\uce21 \uac00\ub2a5\ud558\uac8c \ub3d9\uc791\ud558\ub3c4\ub85d \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB\uc758 \ud544\uc218 \uad6c\uc131 \uc694\uc18c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc124\uacc4\uc5d0 \ub530\ub77c \ub2e4\ub974\uc9c0\ub9cc, \uc77c\ubc18\uc801\uc778 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB\uc5d0\ub294 \ub2e4\uc74c \uad6c\uc131 \uc694\uc18c\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\uad6c\uc131 \uc694\uc18c<\/th><th>\uc8fc\uc694 \uae30\ub2a5<\/th><\/tr><\/thead><tbody><tr><td>\uc785\ub825 \ucee4\ub125\ud130<\/td><td>AC \ub610\ub294 DC \uc804\uc6d0\uc744 \uc785\ub825\ubc1b\uc74c<\/td><\/tr><tr><td>\ud4e8\uc988 \ub610\ub294 \ub9ac\uc14b \uac00\ub2a5 \ud4e8\uc988<\/td><td>\uace0\uc7a5 \uc804\ub958\ub97c \uc81c\ud55c\ud568<\/td><\/tr><tr><td>TVS \ub2e4\uc774\uc624\ub4dc \ub610\ub294 MOV<\/td><td>\uc804\uc555 \uc11c\uc9c0\ub85c\ubd80\ud130 \ubcf4\ud638\ud568<\/td><\/tr><tr><td>\uc5ed\uadf9\uc131 \ubcf4\ud638<\/td><td>\uc798\ubabb\ub41c DC \ubc30\uc120\uc73c\ub85c \uc778\ud55c \uc190\uc0c1\uc744 \ubc29\uc9c0\ud568<\/td><\/tr><tr><td>EMI \ud544\ud130<\/td><td>\uc804\ub3c4\uc131 \ub178\uc774\uc988\ub97c \uc904\uc784<\/td><\/tr><tr><td>\uc815\ub958\uae30<\/td><td>\ud544\uc694\ud55c \uacbd\uc6b0 AC\ub97c DC\ub85c \ubcc0\ud658\ud568<\/td><\/tr><tr><td>\ubc8c\ud06c \ucee4\ud328\uc2dc\ud130<\/td><td>\uc5d0\ub108\uc9c0\ub97c \uc800\uc7a5\ud558\uace0 \uc800\uc8fc\ud30c \ub9ac\ud50c\uc744 \uc904\uc784<\/td><\/tr><tr><td>\uc2a4\uc704\uce6d \ucee8\ud2b8\ub864\ub7ec<\/td><td>\ucee8\ubc84\ud130\ub97c \uc870\uc815\ud568<\/td><\/tr><tr><td>MOSFET<\/td><td>\uc804\ub958\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uc2a4\uc704\uce6d\ud568<\/td><\/tr><tr><td>\uc778\ub355\ud130 \ub610\ub294 \ubcc0\uc555\uae30<\/td><td>\uc5d0\ub108\uc9c0\ub97c \uc800\uc7a5\ud558\uac70\ub098 \uc804\ub2ec\ud568<\/td><\/tr><tr><td>\ucd9c\ub825 \ucee4\ud328\uc2dc\ud130<\/td><td>\ucd9c\ub825 \ub9ac\ud50c\uc744 \uc904\uc774\uace0 \uacfc\ub3c4 \ubd80\ud558\ub97c \uc9c0\uc6d0\ud568<\/td><\/tr><tr><td>\ud53c\ub4dc\ubc31 \ub124\ud2b8\uc6cc\ud06c<\/td><td>\ucd9c\ub825 \uc804\uc555\uc744 \uc124\uc815\ud558\uace0 \ubaa8\ub2c8\ud130\ub9c1\ud568<\/td><\/tr><tr><td>\uc804\ub958 \uac10\uc9c0 \uc800\ud56d\uae30<\/td><td>Measures load or switch current<\/td><\/tr><tr><td>Optocoupler or isolator<\/td><td>Transfers feedback across an isolation barrier<\/td><\/tr><tr><td>Thermal protection<\/td><td>Prevents unsafe overheating<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Not every design needs every part. A low-voltage buck converter may not require an isolation barrier or AC rectifier. A mains-powered supply may require many additional protection and safety components.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PCB Layout Rules for Power PCBs<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Place components according to energy flow<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Arrange the circuit in the order energy moves through it:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Input \u2192 protection \u2192 filtering \u2192 conversion \u2192 output filtering \u2192 load<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This makes the PCB easier to route, inspect, test, and debug. It also helps prevent noisy switching nodes from spreading through the entire layout.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Keep switching loops compact<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Place input capacitors, switching devices, inductors, diodes, and output capacitors close to the components they support. Follow the component manufacturer\u2019s recommended layout closely for switching regulators.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Long traces in switching loops act like small inductors. They create ringing, overshoot, and electromagnetic emissions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Use wide copper for high-current paths<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A trace that is too narrow creates resistance, voltage drop, and heat. Use appropriately wide traces, copper pours, planes, or parallel layers for high-current paths.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trace width should be calculated using:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Continuous current<\/li>\n\n\n\n<li>Peak current<\/li>\n\n\n\n<li>\uad6c\ub9ac \ub450\uaed8<\/li>\n\n\n\n<li>Permitted temperature rise<\/li>\n\n\n\n<li>Available board area<\/li>\n\n\n\n<li>External versus internal PCB layer<\/li>\n\n\n\n<li>Required voltage drop<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For higher-current designs, consider heavier copper, multiple copper layers, stitched vias, or busbars.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Use ground planes deliberately<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A continuous ground plane reduces impedance and gives return current a controlled path. It also helps suppress noise and spread heat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, \u201cground\u201d is not a magical dumping ground for noise. The layout must control where high-current switching return currents flow. Keep noisy power-stage returns away from sensitive feedback, sensing, analog, and communication circuits.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Separate noisy and sensitive areas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Divide the board into functional zones:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Input protection and filtering<\/li>\n\n\n\n<li>High-voltage or high-current power stage<\/li>\n\n\n\n<li>Switching node and magnetic components<\/li>\n\n\n\n<li>Control IC and feedback network<\/li>\n\n\n\n<li>Sensitive analog or communication circuitry<\/li>\n\n\n\n<li>Output connectors and load paths<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Do not route sensitive feedback traces under inductors, near switching nodes, or alongside high-current paths.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. Keep the feedback network quiet<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The feedback network tells the regulator whether the output voltage is correct. If it picks up switching noise, the converter may regulate poorly, jitter, oscillate, or generate excessive ripple.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Route feedback traces away from the switch node and inductor. Connect the feedback reference to the correct quiet output point, often using Kelvin sensing where appropriate.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. Minimize the switching-node copper area<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The switching node is often the noisiest point in a switch-mode converter. Large copper areas at this node can radiate EMI and capacitively couple noise into nearby traces.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keep this copper area as small as practical while still meeting current and thermal needs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8. Place decoupling capacitors close to IC power pins<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Small ceramic capacitors provide local high-frequency energy and reduce supply noise. They should be placed close to the IC pins they support, with short connections to power and ground.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bulk capacitors handle lower-frequency ripple and load transients. Both types are often needed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Thermal Design for a Power PCB<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Power conversion always creates some heat. Even a 95% efficient converter dissipates 5 W of heat when delivering 100 W.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thermal design should be considered from the first layout pass.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Identify heat-generating components<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Common hot components include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MOSFET<\/li>\n\n\n\n<li>\uc815\ub958\uae30 \ubc0f \ub2e4\uc774\uc624\ub4dc<\/li>\n\n\n\n<li>\uc778\ub355\ud130 \ubc0f \ubcc0\uc555\uae30<\/li>\n\n\n\n<li>\uc120\ud615 \ub808\uade4\ub808\uc774\ud130<\/li>\n\n\n\n<li>\uc804\ub958 \uac10\uc9c0 \uc800\ud56d\uae30<\/li>\n\n\n\n<li>\uc804\ub825 IC<\/li>\n\n\n\n<li>\uace0\uc804\ub958 \ucee4\ub125\ud130<\/li>\n\n\n\n<li>\ubc29\uc804 \uc800\ud56d\uae30<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ubc29\uc5f4\ud310\ucc98\ub7fc \uad6c\ub9ac\ub97c \ud65c\uc6a9\ud558\uc138\uc694<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub178\ucd9c\ub41c \uc5f4 \ud328\ub4dc\uc5d0 \uc5f0\uacb0\ub41c \ub113\uc740 \uad6c\ub9ac \uc601\uc5ed\uc740 \ubcf4\ub4dc \uc804\uccb4\ub85c \uc5f4\uc744 \ubd84\uc0b0\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5f4 \ube44\uc544\ub294 \uc5f4\uc744 \uc0c1\ub2e8 \ub808\uc774\uc5b4\uc5d0\uc11c \ub0b4\ubd80 \ub610\ub294 \ud558\ub2e8 \uad6c\ub9ac\uba74\uc73c\ub85c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\ub9cc \uad6c\ub9ac\ub294 \ud6a8\uacfc\uc801\uc778 \ubc29\uc5f4 \uacbd\ub85c\uc5d0 \uc5f0\uacb0\ub41c \uacbd\uc6b0\uc5d0\ub9cc \uc720\uc6a9\ud558\ub2e4\ub294 \uc810\uc744 \uae30\uc5b5\ud558\uc138\uc694. \uc881\uc740 \uc5f0\uacb0\ubd80\ub85c \uace0\ub9bd\ub418\uac70\ub098 \uc5f4 \ub9b4\ub9ac\ud504\uac00 \uacfc\ub3c4\ud558\uac8c \uc801\uc6a9\ub41c \uad6c\ub9ac\ub294 \uc5f4\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \ubc29\ucd9c\ud558\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uacf5\uae30 \ud750\ub984\uacfc \uc778\ud074\ub85c\uc800 \uc870\uac74\uc744 \uace0\ub824\ud558\uc138\uc694<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac1c\ubc29\ub41c \uc791\uc5c5\ub300\uc5d0\uc11c\ub294 \uc548\uc804\ud558\uac8c \uc791\ub3d9\ud558\ub294 \ubcf4\ub4dc\ub3c4 \ubc00\ud3d0\ub41c \ud50c\ub77c\uc2a4\ud2f1 \uc778\ud074\ub85c\uc800 \uc548\uc5d0\uc11c\ub294 \uacfc\uc5f4\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c \ud56d\ubaa9\uc744 \ud3c9\uac00\ud558\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc8fc\ubcc0 \uc628\ub3c4<\/li>\n\n\n\n<li>\uacf5\uae30 \ud750\ub984<\/li>\n\n\n\n<li>\uc7a5\ucc29 \ubc29\ud5a5<\/li>\n\n\n\n<li>\uc778\ud074\ub85c\uc800 \uc7ac\uc9c8<\/li>\n\n\n\n<li>\uc8fc\ubcc0\uc758 \uc5f4\uc6d0<\/li>\n\n\n\n<li>\ubd80\ud558 \ud504\ub85c\ud30c\uc77c<\/li>\n\n\n\n<li>\ub4c0\ud2f0 \uc0ac\uc774\ud074<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc911\uc804\ub825 \ubc0f \uace0\uc804\ub825 \uc124\uacc4\uc5d0\uc11c\ub294 \uc5f4 \uc2dc\ubbac\ub808\uc774\uc158\uacfc \ud504\ub85c\ud1a0\ud0c0\uc785\uc758 \uc628\ub3c4 \uce21\uc815\uc774 \ud544\uc218\uc801\uc778 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">EMI \ubc0f \ub178\uc774\uc988 \uc81c\uc5b4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\uc704\uce6d \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub294 \uc804\uc555\uacfc \uc804\ub958\ub97c \ube60\ub974\uac8c \uc2a4\uc704\uce6d\ud558\ubbc0\ub85c \uc804\ub3c4\uc131 \ubc0f \ubc29\uc0ac\uc131 \ub178\uc774\uc988\ub97c \ubc1c\uc0dd\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 EMI \uc81c\uc5b4 \uae30\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uace0\uc8fc\ud30c \uc804\ub958 \ub8e8\ud504\ub97c \uc791\uac8c \uad6c\uc131<\/li>\n\n\n\n<li>\uc785\ub825 EMI \ud544\ud130<\/li>\n\n\n\n<li>\uc801\uc808\ud55c \uc811\uc9c0 \ubc0f \ub9ac\ud134 \uacbd\ub85c<\/li>\n\n\n\n<li>\ud544\uc694\ud55c \uacbd\uc6b0 \ucc28\ud3d0<\/li>\n\n\n\n<li>\ub9c1\uc789\uc744 \uc904\uc774\uae30 \uc704\ud55c \uc2a4\ub108\ubc84 \ud68c\ub85c<\/li>\n\n\n\n<li>\uc2a4\uc704\uce6d \uc5d0\uc9c0 \uc18d\ub3c4 \uc81c\uc5b4<\/li>\n\n\n\n<li>\ud574\ub2f9 \uc785\ub825 \ub610\ub294 \ucd9c\ub825 \ub77c\uc778\uc5d0 \uacf5\ud1b5 \ubaa8\ub4dc \ucd08\ud06c \uc0ac\uc6a9<\/li>\n\n\n\n<li>\uace0\uc784\ud53c\ub358\uc2a4 \ud53c\ub4dc\ubc31 \ud2b8\ub808\uc774\uc2a4\uc758 \uc2e0\uc911\ud55c \ubc30\uc120<\/li>\n\n\n\n<li>\uc808\uc5f0\ud615 \uc0c1\uc6a9 \uc804\uc6d0 \uc124\uacc4\uc5d0\uc11c Y \ucee4\ud328\uc2dc\ud130\ub97c \uc801\uc808\ud55c \uc704\uce58\uc5d0 \ubc30\uce58<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud544\ud130\ub97c \ubb34\uc791\uc815 \ucd94\uac00\ud558\uc9c0 \ub9c8\uc138\uc694. \uba3c\uc800 \ub178\uc774\uc988\uc758 \ubc1c\uc0dd\uc6d0\uacfc \uacbd\ub85c\ub97c \ud30c\uc545\ud558\uc138\uc694. \ub808\uc774\uc544\uc6c3 \ubb38\uc81c, \uacfc\ub3c4\ud55c \ub8e8\ud504 \uba74\uc801, \ubd88\uc548\uc815\ud55c \uc81c\uc5b4 \ub8e8\ud504, \ubd80\uc801\uc808\ud55c \ucee4\ud328\uc2dc\ud130 \uc120\ud0dd \ub610\ub294 \uc798\ubabb\ub41c \uc811\uc9c0\uac00 \uadfc\ubcf8 \uc6d0\uc778\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">AC \uc0c1\uc6a9 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB\uc758 \uc548\uc804 \uace0\ub824 \uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\uc6a9 \uc804\uc6d0\uc5d0 \uc5f0\uacb0\ub418\ub294 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB\ub294 \uc804\ubb38\uc801\uc778 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1\uacfc \uc548\uc804\uc131 \uac80\ud1a0\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc624\ub958\uac00 \ubc1c\uc0dd\ud558\uba74 \uac10\uc804, \ud654\uc7ac, \uc7a5\ube44\uc758 \uc2ec\uac01\ud55c \uc190\uc0c1 \ub610\ub294 \uc0ac\ub9dd\uc73c\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc911\uc694\ud55c \uace0\ub824 \uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc774\uaca9 \uac70\ub9ac: \ub3c4\uc804\uc131 \ubd80\ud488 \uc0ac\uc774\uc758 \uacf5\uae30 \uc911 \ucd5c\ub2e8 \uac70\ub9ac<\/li>\n\n\n\n<li>\uc5f0\uba74 \uac70\ub9ac: \ub3c4\uc804\uc131 \ubd80\ud488 \uc0ac\uc774\uc758 PCB \ud45c\uba74\uc744 \ub530\ub978 \ucd5c\ub2e8 \uac70\ub9ac<\/li>\n\n\n\n<li>1\ucc28 \uce21\uacfc 2\ucc28 \uce21 \uac04 \uc808\uc5f0<\/li>\n\n\n\n<li>\ud4e8\uc988 \uc120\ud0dd \ubc0f \uace0\uc7a5 \uc2dc \ub3d9\uc791<\/li>\n\n\n\n<li>\uc11c\uc9c0 \ubcf4\ud638<\/li>\n\n\n\n<li>\ub09c\uc5f0 \uc7ac\ub8cc<\/li>\n\n\n\n<li>\ubcc0\uc555\uae30 \ubc0f \ud3ec\ud1a0\ucee4\ud50c\ub7ec\uc758 \uc548\uc804 \ub4f1\uae09<\/li>\n\n\n\n<li>\ubcf4\ud638 \uc811\uc9c0 \ubc0f \uc100\uc2dc \uc811\ud569<\/li>\n\n\n\n<li>\uc811\ucd09 \uc548\uc804\uc131\uc744 \uace0\ub824\ud55c \uc778\ud074\ub85c\uc800 \uc124\uacc4<\/li>\n\n\n\n<li>\uaddc\uc81c \uc2dc\ud5d8 \ubc0f \uc778\uc99d<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ucde8\ubbf8 \ud504\ub85c\uc81d\ud2b8\uc758 \uc0c1\uc6a9 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \ub808\uc774\uc544\uc6c3\uc744 \uadf8\ub300\ub85c \ubcf5\uc0ac\ud55c \ub4a4 \uc548\uc804\ud558\ub2e4\uace0 \uac00\uc815\ud558\uc9c0 \ub9c8\uc138\uc694. \uc774\uaca9 \uac70\ub9ac, \uc5f0\uba74 \uac70\ub9ac, \uc808\uc5f0 \ud611\uc870, \ubd80\ud488 \uc815\uaca9 \ubc0f \uace0\uc7a5 \uc2dc\ud5d8\uc744 \ud574\ub2f9 \uaddc\uc815\uacfc \uc81c\ud488 \ubc94\uc8fc\uc5d0 \ub530\ub77c \ud3c9\uac00\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \uc804\uc6d0 PCB \ubb38\uc81c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uacfc\ub3c4\ud55c \ucd9c\ub825 \ub9ac\ud50c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \ucee4\ud328\uc2dc\ud134\uc2a4 \ubd80\uc871, \ucee4\ud328\uc2dc\ud130\uc758 ESR \uacfc\ub2e4, \ubd80\ud488 \ubc30\uce58 \ubd88\ub7c9, \ubd88\uc548\uc815\ud55c \ud53c\ub4dc\ubc31 \ub610\ub294 \ubbfc\uac10\ud55c \ud68c\ub85c\uc640 \uacf5\uc720\ud558\ub294 \uace0\uc804\ub958 \ub9ac\ud134 \uacbd\ub85c \ub4f1\uc774 \uc6d0\uc778\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ubd80\ud558 \uce21 \uc804\uc555 \uac15\ud558<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc881\uc740 \ud2b8\ub808\uc774\uc2a4, \uc6a9\ub7c9\uc774 \ubd80\uc871\ud55c \ucee4\ub125\ud130, \ubd80\uc871\ud55c \uad6c\ub9ac \ub450\uaed8, \uae34 \ucf00\uc774\ube14\uc758 \uc800\ud56d, \ubd88\ub7c9\ud55c \ub0a9\ub55c \uc811\ud569\ubd80 \ub610\ub294 \uc6d0\uaca9 \uc804\uc555 \uac10\uc9c0 \uae30\ub2a5 \ubd80\uc871\uc73c\ub85c \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uacfc\uc5f4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uc6d0\uc778\uc73c\ub85c\ub294 \ub192\uc740 \uc2a4\uc704\uce6d \uc190\uc2e4, \uc6a9\ub7c9\uc774 \ubd80\uc871\ud55c \uc778\ub355\ud130, \ubd80\uc871\ud55c \uad6c\ub9ac \uba74\uc801, \ubd88\ub7c9\ud55c \uacf5\uae30 \ud750\ub984, \ubd80\uc871\ud55c \ubc29\uc5f4 \ub610\ub294 \uc815\uaca9 \uc804\ub958\ub098 \uc628\ub3c4\ub97c \ucd08\uacfc\ud574 \uc791\ub3d9\ud558\ub294 \ubd80\ud488 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">EMI \ud14c\uc2a4\ud2b8 \uc2e4\ud328<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\uc704\uce6d \ub8e8\ud504\uac00 \ub113\uac70\ub098 \uc785\ub825 \ud544\ud130\ub9c1\uc774 \ubd88\ub7c9\ud55c \uacbd\uc6b0, \uc2a4\uc704\uce58 \ub178\ub4dc\uc758 \uad6c\ub9ac \uba74\uc801\uc774 \uc9c0\ub098\uce58\uac8c \ub113\uc740 \uacbd\uc6b0, \ub9c1\uc789, \ucc28\ud3d0 \ubd80\uc871, \ub178\uc774\uc988\uac00 \ub9ce\uc740 \uc811\uc9c0 \ubc30\uc120 \ub4f1\uc774 \ud754\ud55c \uc6d0\uc778\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ubd88\uc548\uc815\ud55c \ub808\uade4\ub808\uc774\uc158<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf4\uc0c1 \ud68c\ub85c\uc758 \uc624\ub958, \ubd80\uc801\ud569\ud55c \ucd9c\ub825 \ucee4\ud328\uc2dc\ud130, \ub178\uc774\uc988\uac00 \ub9ce\uc740 \ud53c\ub4dc\ubc31 \ubc30\uc120, \ubd88\ub7c9\ud55c \uc811\uc9c0 \ub610\ub294 \uc798\ubabb\ub41c \uc81c\uc5b4 \ub8e8\ud504 \uc124\uacc4\uac00 \uc6d0\uc778\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uace0\uc7a5 \ubc1c\uc0dd \uc2dc \ubcf4\ub4dc \uc190\uc0c1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc548\uc804\ud55c \uc804\uc6d0 PCB\ub294 \uc815\uc0c1 \uc791\ub3d9\ubfd0 \uc544\ub2c8\ub77c \ube44\uc815\uc0c1 \uc870\uac74\ub3c4 \uacac\ub38c\uc57c \ud569\ub2c8\ub2e4. \uc801\uc808\ud55c \ud4e8\uc988, \uc804\ub958 \uc81c\ud55c, \ub2e8\ub77d \ubcf4\ud638, \uacfc\uc5f4 \ucc28\ub2e8, \uc5ed\uadf9\uc131 \ubcf4\ud638 \ubc0f \uc11c\uc9c0 \ub300\uc751 \uae30\ub2a5\uc744 \ud3ec\ud568\ud558\uc138\uc694.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc804\uc6d0 PCB \uc124\uacc4 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB\ub97c \uc81c\uc870\ud558\uae30 \uc804\uc5d0 \ub2e4\uc74c \ud56d\ubaa9\uc744 \ud655\uc778\ud558\uc138\uc694:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc11c\uc9c0 \ubc0f \uacfc\ub3c4 \uc0c1\ud0dc\ub97c \ud3ec\ud568\ud55c \uc785\ub825 \uc804\uc555 \ubc94\uc704<\/li>\n\n\n\n<li>\ucd9c\ub825 \uc804\uc555 \ud5c8\uc6a9 \uc624\ucc28 \ubc0f \ubd80\ud558 \ubc94\uc704<\/li>\n\n\n\n<li>\uc5f0\uc18d \uc804\ub958, \ud53c\ud06c \uc804\ub958 \ubc0f \uc2dc\ub3d9 \uc804\ub958<\/li>\n\n\n\n<li>\ud6a8\uc728 \ubaa9\ud45c<\/li>\n\n\n\n<li>\uc5f4 \ud55c\uacc4 \ubc0f \uc8fc\ubcc0 \ud658\uacbd \uc870\uac74<\/li>\n\n\n\n<li>\uad6c\ub9ac \ub450\uaed8 \ubc0f \ud2b8\ub808\uc774\uc2a4 \ud3ed \uacc4\uc0b0<\/li>\n\n\n\n<li>\ubd80\ud488\uc758 \uc804\uc555, \uc804\ub958 \ubc0f \uc628\ub3c4 \uc815\uaca9<\/li>\n\n\n\n<li>\uace0\uc8fc\ud30c \ub8e8\ud504 \ubc30\uce58<\/li>\n\n\n\n<li>\uc811\uc9c0 \ubc0f \ud53c\ub4dc\ubc31 \ubc30\uc120<\/li>\n\n\n\n<li>\uc785\ub825 \ubc0f \ucd9c\ub825 \ud544\ud130\ub9c1<\/li>\n\n\n\n<li>\ubcf4\ud638 \uae30\ub2a5<\/li>\n\n\n\n<li>\uc804\uae30\uc801 \uac04\uaca9 \ubc0f \uc5f0\uba74 \uac70\ub9ac \uc694\uad6c \uc0ac\ud56d<\/li>\n\n\n\n<li>\uc8fc\uc694 \uc804\uc6d0 \ub808\uc77c, \uc804\ub958, \uc2a4\uc704\uce6d \ub178\ub4dc \ubc0f \ud53c\ub4dc\ubc31\uc744 \uc704\ud55c \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8<\/li>\n\n\n\n<li>\uc870\ub9bd \ubc0f \uac80\uc0ac \uc81c\uc57d \uc870\uac74<\/li>\n\n\n\n<li>\uae30\ub2a5, \uc5f4, \ubd80\ud558, \uace0\uc7a5 \ubc0f EMI \ud14c\uc2a4\ud2b8 \uacc4\ud68d<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ucd5c\uc885 \ud14c\uc774\ud06c\uc544\uc6c3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc804\uc6d0 PCB\ub294 \uc804\uae30 \uc5d0\ub108\uc9c0\ub97c \uad00\ub9ac\ud558\uba70, \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 PCB\ub294 \uc81c\ud488\uc5d0 \ud544\uc694\ud55c \uc804\ub825\uc744 \ubcc0\ud658\ud558\uace0 \uc870\uc808\ud569\ub2c8\ub2e4.<\/strong> \uc88b\uc740 \uc124\uacc4\ub97c \uc704\ud574\uc11c\ub294 \uc801\uc808\ud55c \ub808\uade4\ub808\uc774\ud130\ub97c \uc120\ud0dd\ud558\uac70\ub098 \uc62c\ubc14\ub978 \ud68c\ub85c\ub3c4\ub97c \uadf8\ub9ac\ub294 \uac83\ub9cc\uc73c\ub85c\ub294 \ubd80\uc871\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \uc2e0\ub8b0\uc131 \ub192\uc740 \uc804\uc6d0 PCB\ub294 \uc804\ub958 \ub8e8\ud504 \uc81c\uc5b4, \uc800\uc784\ud53c\ub358\uc2a4 \uad6c\ub9ac \uacbd\ub85c, \ub178\uc774\uc988\uac00 \uc801\uc740 \ud53c\ub4dc\ubc31 \ubc30\uc120, \ud6a8\uacfc\uc801\uc778 \uc5f4 \uad00\ub9ac, \uc801\uc808\ud55c \ubcf4\ud638 \uae30\ub2a5 \ubc0f \uc548\uc804 \uc694\uad6c \uc0ac\ud56d\uc744 \uace0\ub824\ud574 \uc124\uacc4\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\ubcf8 \uc694\uc18c\ub97c \uc798 \uac16\ucd94\uba74 \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\ub294 \ub354 \uc870\uc6a9\ud558\uace0, \ub354 \ub0ae\uc740 \uc628\ub3c4\ub85c \uc791\ub3d9\ud558\uba70, \ud6a8\uc728\uacfc \uc2e0\ub8b0\uc131\uc774 \ud06c\uac8c \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>A power PCB is the circuit board that receives, converts, regulates, distributes, or monitors electrical power. A power supply PCB is a more specific type of power PCB that converts an input source\u2014such as AC mains, a battery, USB power, or a DC bus\u2014into stable output voltage rails for an electronic product. The quality of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6862,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"","_seopress_titles_desc":"Learn power PCB and power supply PCB design principles, including layout, current paths, grounding, thermal management, EMI control, and safety tips.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[14,2],"tags":[4,5],"class_list":["post-6860","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electronic-circuit","category-pcb-design","tag-pcb-design","tag-pcb-layout"],"acf":[],"meta_box":[],"_links":{"self":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/posts\/6860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/comments?post=6860"}],"version-history":[{"count":0,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/posts\/6860\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/media\/6862"}],"wp:attachment":[{"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/media?parent=6860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/categories?post=6860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lead-pcb.com\/ko\/wp-json\/wp\/v2\/tags?post=6860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}