{"id":2348,"date":"2026-02-21T09:13:47","date_gmt":"2026-02-21T09:13:47","guid":{"rendered":"https:\/\/www.qinx-power.com\/?post_type=news&p=2348"},"modified":"2026-02-21T09:13:47","modified_gmt":"2026-02-21T09:13:47","slug":"switching-power-supplies-revolutionized-modern-electronics","status":"publish","type":"news","link":"https:\/\/www.qinxpower.com\/ko\/news\/\uc2a4\uc704\uce6d-\uc804\uc6d0-\uacf5\uae09-\uc7a5\uce58\ub294-\ud604\ub300-\uc804\uc790\uacf5\ud559\uc5d0-\ud601\uba85\uc744-\uc77c\/","title":{"rendered":"\uc2a4\uc704\uce6d \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uac00 \ud604\ub300 \uc804\uc790\uacf5\ud559\uc5d0 \ud601\uba85\uc744 \uc77c\uc73c\ud0a8 \ubc29\ubc95: \uc6d0\ub9ac\uc640 \uc751\uc6a9"},"content":{"rendered":"

\"\"<\/h1>\n

\uc2a4\uc704\uce6d \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uac00 \ud604\ub300 \uc804\uc790\uacf5\ud559\uc5d0 \ud601\uba85\uc744 \uc77c\uc73c\ud0a8 \ubc29\ubc95: \uc6d0\ub9ac\uc640 \uc751\uc6a9<\/h1>\n

\uc694\uc57d \ubcf4\uace0\uc11c<\/h2>\n

\uc2a4\uc704\uce6d \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58(SMPS)\ub294 \ud604\ub300 \uc804\uc790 \uae30\uae30\uc5d0\uc11c \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uc804\ub825 \ubcc0\ud658 \uae30\uc220\ub85c, \uae30\uc874 \uc120\ud615 \ub808\uade4\ub808\uc774\ud130\uc758 30~50% \ud6a8\uc728\uc5d0 \ube44\ud574 70~95%\uc758 \ud6a8\uc728\uc744 \ub2ec\uc131\ud569\ub2c8\ub2e4. \uc774 \uc885\ud569 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 SMPS\uc758 \uc791\ub3d9 \uc6d0\ub9ac, \ub2e4\uc591\ud55c \uad6c\uc870, \uadf8\ub9ac\uace0 \uc5ec\ub7ec \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c\uc758 \uc8fc\uc694 \uc751\uc6a9 \uc0ac\ub840\ub97c \uc0b4\ud3b4\ubd05\ub2c8\ub2e4.<\/p>\n

\ud575\uc2ec \uc791\ub3d9 \uc6d0\ub9ac: \uc815\ubc00 \uc81c\uc5b4 \uc5d0\ub108\uc9c0 \uc804\ub2ec<\/h2>\n

\uacfc\uc804\uc555\uc744 \uc5f4\ub85c \uc18c\uc0b0\uc2dc\ud0a4\ub294 \uc120\ud615 \ub808\uade4\ub808\uc774\ud130\uc640 \ub2ec\ub9ac, SMPS\ub294 \uace0\uc8fc\ud30c \uc2a4\uc704\uce6d(\uc77c\ubc18\uc801\uc73c\ub85c 50kHz~1MHz)\uc744 \uc774\uc6a9\ud558\uc5ec \ud384\uc2a4 \ud3ed \ubcc0\uc870(PWM) \ubc29\uc2dd\uc73c\ub85c \ucd9c\ub825\uc744 \uc870\uc808\ud569\ub2c8\ub2e4. \uae30\ubcf8 \uc791\ub3d9 \uc6d0\ub9ac\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n

    \n
  1. \uc815\ub958<\/strong>\uad50\ub958 \uc785\ub825\uc744 \ub9e5\ub3d9 \uc9c1\ub958\ub85c \ubcc0\ud658<\/li>\n
  2. \uace0\uc8fc\ud30c \uc2a4\uc704\uce6d<\/strong>MOSFET\/IGBT \ud2b8\ub79c\uc9c0\uc2a4\ud130\ub97c \uc774\uc6a9\ud558\uc5ec \uc9c1\ub958\ub97c \uad6c\ud615\ud30c\ub85c \ubcc0\ud658<\/li>\n
  3. \ubcc0\ud658<\/strong>\uc18c\ud615 \uace0\uc8fc\ud30c \ubcc0\uc555\uae30\ub97c \ud1b5\ud574 \uc804\uc555 \ub808\ubca8 \uc870\uc815<\/li>\n
  4. \ud544\ud130\ub9c1<\/strong>LC \ud544\ud130\ub97c \ud1b5\ud574 \uc548\uc815\uc801\uc778 DC \ucd9c\ub825\uc744 \uc7ac\uad6c\uc131\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n

    \uc8fc\uc694 \ud1a0\ud3f4\ub85c\uc9c0 \ubc0f \ud2b9\uc9d5<\/h2>\n

    1.\u00a0\ubc85 \ucee8\ubc84\ud130(\uac15\uc555 \ubcc0\ud658\uae30)<\/strong><\/h3>\n
      \n
    • \ub2a5\ub960<\/strong>: 85-95%<\/li>\n
    • \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong>\ud504\ub85c\uc138\uc11c \uc804\uc555 \uc870\uc808(12V\u21921.8V), \ubc30\ud130\ub9ac \uad6c\ub3d9 \uc7a5\uce58<\/li>\n
    • \ud575\uc2ec \uc774\uc810<\/strong>\ucd5c\uc18c\ud55c\uc758 \ubd80\ud488 \uc218, \ud0c1\uc6d4\ud55c \uacfc\ub3c4 \uc751\ub2f5 \ud2b9\uc131<\/li>\n<\/ul>\n

      2.\u00a0\uc2b9\uc555 \ubcc0\ud658\uae30 (\uc2a4\ud15d\uc5c5)<\/strong><\/h3>\n
        \n
      • \ub2a5\ub960<\/strong>: 80-90%<\/li>\n
      • \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong>LED \ub4dc\ub77c\uc774\ubc84, \ubc30\ud130\ub9ac \uc804\uc555 \ubd80\uc2a4\ud305(3.7V\u21925V)<\/li>\n
      • \ub514\uc790\uc778 \ucc4c\ub9b0\uc9c0<\/strong>\uc2a4\uc704\uce58 \ubd80\ud558\ub85c \uc778\ud55c \ucd9c\ub825 \uc804\uc555 \uc81c\ud55c<\/li>\n<\/ul>\n

        3.\u00a0\ubc85-\ubd80\uc2a4\ud2b8 \ucee8\ubc84\ud130<\/strong><\/h3>\n
          \n
        • \ub2a5\ub960<\/strong>: 75-85%<\/li>\n
        • \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong>\uc804\uc555 \ubc94\uc704\uac00 \ub113\uc740 \ubc30\ud130\ub9ac \uc2dc\uc2a4\ud15c<\/li>\n
        • \uc8fc\ubaa9\ud560 \ub9cc\ud55c \ud2b9\uc9d5<\/strong>: \uae30\ubcf8 \uad6c\uc131\uc5d0\uc11c\uc758 \ucd9c\ub825 \uadf9\uc131 \ubc18\uc804<\/li>\n<\/ul>\n

          4.\u00a0\ud50c\ub77c\uc774\ubc31 \ucee8\ubc84\ud130<\/strong><\/h3>\n
            \n
          • \ub2a5\ub960<\/strong>: 70-85%<\/li>\n
          • \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong>\uc800\uc804\ub825 AC\/DC \uc5b4\ub311\ud130(<100W), \ub2e4\uc911 \ucd9c\ub825 \uc2dc\uc2a4\ud15c<\/li>\n
          • \ub3c5\ud2b9\ud55c<\/strong>\ubcc0\uc555\uae30\ub294 \uc808\uc5f0 \ubc0f \uc5d0\ub108\uc9c0 \uc800\uc7a5 \uae30\ub2a5\uc744 \ubaa8\ub450 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n

            5.\u00a0\ud3ec\uc6cc\ub4dc \ucee8\ubc84\ud130<\/strong><\/h3>\n
              \n
            • \ub2a5\ub960<\/strong>: 80-90%<\/li>\n
            • \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong>\uc911\uc804\ub825 \uc0b0\uc5c5\uc6a9 \uc2dc\uc2a4\ud15c(100W~500W)<\/li>\n
            • \uc774\uc810<\/strong>: \ud50c\ub77c\uc774\ubc31 \ud1a0\ud3f4\ub85c\uc9c0\ubcf4\ub2e4 \ubcc0\uc555\uae30 \ud65c\uc6a9\ub960\uc774 \ub354 \ub192\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n

              \ud575\uc2ec \uc131\uacfc \uc9c0\ud45c<\/h2>\n\n\n\n\n\n\n\n\n\n
              \ub9e4\uac1c\ubcc0\uc218<\/th>\n\uc77c\ubc18\uc801\uc778 \ubc94\uc704<\/th>\n\uc5c5\uacc4 \ud45c\uc900<\/th>\n<\/tr>\n<\/thead>\n
              \ub2a5\ub960<\/td>\n70-95%<\/td>\n80 \ud50c\ub7ec\uc2a4 \ud50c\ub798\ud2f0\ub118(\u226594%)<\/td>\n<\/tr>\n
              \uc2a4\uc704\uce6d \uc8fc\ud30c\uc218<\/td>\n50kHz-2MHz<\/td>\n100-500kHz (\ucd5c\uc801\uc758 \uade0\ud615)<\/td>\n<\/tr>\n
              \uc804\ub825 \ubc00\ub3c4<\/td>\n10-50W\/\uc778\uce58\u00b3<\/td>\n30W\/in\u00b3 (\uace0\uae09 \uc124\uacc4)<\/td>\n<\/tr>\n
              \ub9ac\ud50c \ub178\uc774\uc988<\/td>\n10-100mVpp<\/td>\n<50mVpp (\ubbfc\uac10\ud55c \uc751\uc6a9 \ubd84\uc57c)<\/td>\n<\/tr>\n
              \uacfc\ub3c4 \uc751\ub2f5<\/td>\n50-200\u03bcs<\/td>\n<100\u03bcs (\uace0\uc131\ub2a5)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \uc804\uc790\uae30 \ud638\ud658\uc131 \uace0\ub824 \uc0ac\ud56d<\/h2>\n

              \ucd5c\uc2e0 SMPS \uc124\uacc4\ub294 \ub2e4\uc74c \uc0ac\ud56d\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n

                \n
              • \uc804\ub3c4 \ubc29\ucd9c<\/strong>FCC Part 15\/EN 55032 Class B \uaddc\uaca9 \uc900\uc218<\/li>\n
              • \ubc29\uc0ac \ubc29\ucd9c<\/strong>\uc801\uc808\ud55c \ucc28\ud3d0 \ubc0f \ubc30\uce58 \uae30\uc220<\/li>\n
              • \uc5ed\ub960 \ubcf4\uc815<\/strong>75W \ucd08\uacfc \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\uc5d0 \ud544\uc218 \uc0ac\ud56d (IEC 61000-3-2)<\/li>\n<\/ul>\n

                \uc0b0\uc5c5 \ubd84\uc57c\ubcc4 \uc801\uc6a9 \uc0ac\ub840 \ubc0f \uc694\uad6c \uc0ac\ud56d<\/h2>\n

                \uc18c\ube44\uc790 \uac00\uc804\uc81c\ud488<\/strong><\/h3>\n
                  \n
                • \uc804\ub825 \ubc00\ub3c4 \uc6b0\uc120\uc21c\uc704<\/strong>: \ucd08\uc18c\ud615 USB-C PD \uc5b4\ub311\ud130<\/li>\n
                • \ud6a8\uc728\uc131 \uae30\uc900<\/strong>: DoE \ub808\ubca8 VI, CoC \ud2f0\uc5b4 2<\/li>\n
                • \uc548\uc804 \uc778\uc99d<\/strong>: UL\/IEC 62368-1<\/li>\n<\/ul>\n

                  \uc0b0\uc5c5 \uc790\ub3d9\ud654<\/strong><\/h3>\n
                    \n
                  • \uacac\uace0\uc131<\/strong>\ub113\uc740 \uc791\ub3d9 \uc628\ub3c4 \ubc94\uc704(-40\u00b0C ~ +85\u00b0C)<\/li>\n
                  • \ubcf4\ud638 \uae30\ub2a5<\/strong>: OVP, OCP, OTP (\ub798\uce58\uc5c5 \ubc29\uc9c0 \uae30\ub2a5 \ud3ec\ud568)<\/li>\n
                  • \uaca9\ub9ac \uc694\uac74<\/strong>: IEC 61800-5-1\uc5d0 \ub530\ub978 \uac15\ud654 \uc808\uc5f0<\/li>\n<\/ul>\n

                    \ud1b5\uc2e0<\/strong><\/h3>\n
                      \n
                    • \uc785\ub825 \ubc94\uc704<\/strong>\uc804\uc555: 36-75V DC (\uacf5\uce6d 48V)<\/li>\n
                    • \uc911\ubcf5\uc131<\/strong>: N+1 \ubcd1\ub82c \uc6b4\uc804 \uae30\ub2a5<\/li>\n
                    • MTBF<\/strong>: 50\ub9cc \uc2dc\uac04 \uc774\uc0c1 (\ubca8\ucf54\uc5b4\/\ud154\ub808\ucf54\ub514\uc544)<\/li>\n<\/ul>\n

                      \uc758\ub8cc\uae30\uae30<\/strong><\/h3>\n
                        \n
                      • \ub204\uc124 \uc804\ub958<\/strong>: <100\u03bcA (BF\/CF\ud615 \uc7a5\ube44)<\/li>\n
                      • \uaca9\ub9ac<\/strong>: 2\u00d7MOPP (\ud658\uc790 \ubcf4\ud638 \uc218\ub2e8)<\/li>\n
                      • \ud45c\uc900 \uc900\uc218<\/strong>IEC 60601-1 \uc81c3\ud310<\/li>\n<\/ul>\n

                        \uc124\uacc4 \ucd5c\uc801\ud654 \uc804\ub7b5<\/h2>\n

                        \uad6c\uc131 \uc694\uc18c \uc120\ud0dd \uc9c0\uce68<\/strong><\/h3>\n
                          \n
                        1. \uc2a4\uc704\uce6d \uc7a5\uce58<\/strong>SiC MOSFET\uc740 100kHz \uc774\uc0c1 \ub3d9\uc791\uc5d0, GaN MOSFET\uc740 500kHz \uc774\uc0c1 \ub3d9\uc791\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n
                        2. \uc790\uc11d \ubd80\ud488<\/strong>: \uc800\uc190\uc2e4 \ud398\ub77c\uc774\ud2b8 \ucf54\uc5b4(PC95, N49)\uc640 \ub9ac\uce20 \uc640\uc774\uc5b4<\/li>\n
                        3. \ucee4\ud328\uc2dc\ud130<\/strong>\ub300\uc6a9\ub7c9 \ucee4\ud328\uc2dc\ud134\uc2a4\uc6a9 MLCC \uc5b4\ub808\uc774, \ucd9c\ub825 \ud544\ud130\ub9c1\uc6a9 \ud3f4\ub9ac\uba38<\/li>\n<\/ol>\n

                          \uc5f4 \uad00\ub9ac<\/strong><\/h3>\n
                            \n
                          • PCB \ub808\uc774\uc544\uc6c3<\/strong>: \ube44\uc544 \uc5b4\ub808\uc774\uac00 \uc788\ub294 \uc804\uc6a9 \uc5f4 \ud328\ub4dc<\/li>\n
                          • \uad6c\uc131 \uc694\uc18c \uac04\uaca9<\/strong>100V \uc774\uc0c1 \uc124\uacc4\uc758 \uacbd\uc6b0 \ucd5c\uc18c 2mm\uc758 \uc5ec\uc720 \uacf5\uac04\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n
                          • \uc5f4 \ubc29\ucd9c<\/strong>: \ucd5c\uc545\uc758 \u03b8JA \ubc0f \uc8fc\ubcc0 \uc628\ub3c4\ub97c \uae30\uc900\uc73c\ub85c \uacc4\uc0b0\ub428<\/li>\n<\/ul>\n

                            \uc81c\uc5b4 \ubc29\ubc95\ub860<\/strong><\/h3>\n
                              \n
                            • \uc804\uc555 \ubaa8\ub4dc<\/strong>\uad6c\ud604\uc740 \uac04\ub2e8\ud558\uc9c0\ub9cc \uc131\ub2a5\uc740 \ubcf4\ud1b5\uc785\ub2c8\ub2e4.<\/li>\n
                            • \ud604\uc7ac \ubaa8\ub4dc<\/strong>\ud0c1\uc6d4\ud55c \ub77c\uc778 \uc81c\uac70 \uae30\ub2a5, \ub0b4\uc7ac\ub41c \uc804\ub958 \uc81c\ud55c \uae30\ub2a5<\/li>\n
                            • \ub514\uc9c0\ud138 \uc81c\uc5b4<\/strong>\uc801\uc751\ud615 \ubcf4\uc0c1, \uc6d0\uaca9 \uce21\uc815 \uae30\ub2a5<\/li>\n<\/ul>\n

                              \ubbf8\ub798 \ubc1c\uc804 \ub3d9\ud5a5<\/h2>\n
                                \n
                              1. \uad11\ub300\uc5ed \ubc34\ub4dc\uac2d \ubc18\ub3c4\uccb4<\/strong>GaN \ubc0f SiC\ub97c \ud1b5\ud574 MHz \ubc94\uc704 \uc2a4\uc704\uce6d \uac00\ub2a5<\/li>\n
                              2. \ud1b5\ud569 \uc790\uc11d<\/strong>PCB \ub0b4\uc7a5\ud615 \ubcc0\uc555\uae30 \ubc0f \uc778\ub355\ud130<\/li>\n
                              3. AI \ucd5c\uc801\ud654 \uc81c\uc5b4<\/strong>\uc801\uc751\ud615 \ub8e8\ud504 \ubcf4\uc0c1\uc744 \uc704\ud55c \uba38\uc2e0 \ub7ec\ub2dd<\/li>\n
                              4. \ubb34\uc120 \uc804\ub825 \ud1b5\ud569<\/strong>\ube44\uc811\ucd09 \uc5d0\ub108\uc9c0 \uc804\ub2ec\uc744 \uc704\ud55c \uacf5\uc9c4 \ud1a0\ud3f4\ub85c\uc9c0<\/li>\n<\/ol>\n

                                \uacb0\ub860<\/h2>\n

                                \uc2a4\uc704\uce6d \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58(SMPS) \uae30\uc220\uc740 \uace0\ud6a8\uc728, \uc804\ub825 \ubc00\ub3c4 \uc99d\uac00 \ubc0f \uc2e0\ub8b0\uc131 \ud5a5\uc0c1\uc5d0 \ub300\ud55c \uc694\uad6c\uc5d0 \ub530\ub77c \uc9c0\uc18d\uc801\uc73c\ub85c \ubc1c\uc804\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc131\uacf5\uc801\uc778 \uad6c\ud604\uc744 \uc704\ud574\uc11c\ub294 \uc804\uae30\uc801 \uc131\ub2a5, \uc5f4 \uc81c\uc57d, \uc804\uc790\uae30 \uaddc\uc815 \uc900\uc218 \ubc0f \ube44\uc6a9 \uace0\ub824 \uc0ac\ud56d \uac04\uc758 \uade0\ud615\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc804 \uc138\uacc4 \uc5d0\ub108\uc9c0 \uaddc\uc81c\uac00 \uac15\ud654\ub418\uace0 \uc804\uc790 \uc2dc\uc2a4\ud15c\uc774 \ub354\uc6b1 \uc815\uad50\ud574\uc9d0\uc5d0 \ub530\ub77c SMPS \uc124\uacc4\ub294 \uc9c0\uc18d\uc801\uc778 \ud601\uc2e0 \uae30\ud68c\ub97c \uc81c\uacf5\ud558\ub294 \uc911\uc694\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubd84\uc57c\ub85c \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n

                                \n\n\t\t\n
                                  \n\t\t\t <\/ul>\n <\/div>","protected":false},"excerpt":{"rendered":"

                                  How Switching Power Supplies Revolutionized Modern Electronics: Principles and Applications Executive Summary Switching power supplies (SMPS) represent the dominant power conversion technology in contemporary electronics, achieving 70-95% efficiency compared to 30-50% in traditional linear regulators. This comprehensive guide examines their operational principles, architectural variations, and critical applications across industries. Core Operating Principle: Precision-Controlled Energy Transfer […]<\/p>\n","protected":false},"author":1,"featured_media":2349,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"_excerptai":0,"_xhaitool_aitasks":false,"_xhaitool_aitasks_status":false,"_aiimage_cueword":"","_aiimage_status":0,"_xhai_excerpt":"","_joinchat":[],"footnotes":""},"news_center":[67],"class_list":["post-2348","news","type-news","status-publish","format-standard","has-post-thumbnail","hentry","news_center-industry-news"],"acf":[],"yoast_head":"\nHow Switching Power Supplies Revolutionized Modern Electronics<\/title>\n<meta name=\"description\" content=\"Switching power supply technology continues to evolve, driven by demands for higher efficiency, increased power density, and enhanced reliability.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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