{"id":148154,"date":"2024-04-27T15:46:35","date_gmt":"2024-04-27T15:46:35","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%a0%84%eb%a5%98-%eb%aa%a8%eb%93%9c-%ed%8e%84%ec%8a%a4-%ed%8f%ad-%ec%a1%b0%ec%a0%88-pwm-%ec%bb%a8%ed%8a%b8%eb%a1%a4%eb%9f%ac\/"},"modified":"2024-04-27T15:46:42","modified_gmt":"2024-04-27T15:46:42","slug":"%ec%a0%84%eb%a5%98-%eb%aa%a8%eb%93%9c-%ed%8e%84%ec%8a%a4-%ed%8f%ad-%ec%a1%b0%ec%a0%88-pwm-%ec%bb%a8%ed%8a%b8%eb%a1%a4%eb%9f%ac","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%a0%84%eb%a5%98-%eb%aa%a8%eb%93%9c-%ed%8e%84%ec%8a%a4-%ed%8f%ad-%ec%a1%b0%ec%a0%88-pwm-%ec%bb%a8%ed%8a%b8%eb%a1%a4%eb%9f%ac\/","title":{"rendered":"\uc804\ub958 \ubaa8\ub4dc \ud384\uc2a4 \ud3ed \uc870\uc808 (PWM) \ucee8\ud2b8\ub864\ub7ec"},"content":{"rendered":"<p class=\"sidekick\">\uc804\ub958 \ubaa8\ub4dc PWM \ucee8\ud2b8\ub864\ub7ec\ub294 \uc804\ub825 \uc81c\uc5b4 \uae30\uc220\ub85c, \uc804\ub958\uc758 \ud3ed \uc870\uc808\uc744 \ud1b5\ud574 \ubaa8\ud130 \uc18d\ub3c4, LED \ubc1d\uae30 \ub4f1\uc744 \uc815\ubc00\ud558\uac8c \uc870\uc808\ud560 \uc218 \uc788\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc804\ub958-\ubaa8\ub4dc-\ud384\uc2a4-\ud3ed-\uc870\uc808-(PWM)-\ucee8\ud2b8\ub864\ub7ec.png\" alt=\"\uc804\ub958 \ubaa8\ub4dc \ud384\uc2a4 \ud3ed \uc870\uc808 (PWM) \ucee8\ud2b8\ub864\ub7ec\"\/><\/p>\n<h2>\uc804\ub958 \ubaa8\ub4dc \ud384\uc2a4 \ud3ed \uc870\uc808 (PWM) \ucee8\ud2b8\ub864\ub7ec\ub780?<\/h2>\n<p>\uc804\ub958 \ubaa8\ub4dc \ud384\uc2a4 \ud3ed \uc870\uc808(Pulse Width Modulation, PWM) \ucee8\ud2b8\ub864\ub7ec\ub294 \uc804\ub825 \uc804\uc790\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uae30\uc220\uc785\ub2c8\ub2e4. \uc774 \ucee8\ud2b8\ub864\ub7ec\uc758 \uc8fc\ub41c \uae30\ub2a5\uc740 \uc804\ub825\uc744 \uc81c\uc5b4\ud558\ub294 \uac83\uc73c\ub85c, \uc804\ub958\uc758 \ud3ed\uc744 \uc870\uc808\ud568\uc73c\ub85c\uc368 \uc804\uc555\uc758 \uc720\ud6a8\uac12\uc744 \ubcc0\ud654\uc2dc\ud0a4\uace0, \uc774\ub97c \ud1b5\ud574 \ubaa8\ud130\uc758 \uc18d\ub3c4\ub098 LED\uc758 \ubc1d\uae30 \ub4f1\uc744 \uc870\uc808\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. PWM \uae30\uc220\uc740 \ud6a8\uc728\uc774 \ub192\uace0, \ubc1c\uc5f4\uc774 \uc801\uc5b4 \uc804\uc790 \uae30\uae30\uc5d0\uc11c \ub9ce\uc774 \uc4f0\uc774\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>PWM\uc758 \uc791\ub3d9 \uc6d0\ub9ac<\/h2>\n<p>PWM\uc740 \uc77c\uc815\ud55c \uc8fc\uae30\ub97c \uac00\uc9c4 \uc0ac\uac01\ud30c\uc758 \ud3ed\uc744 \ubcc0\ud654\uc2dc\ud0a4\ub294 \ubc29\uc2dd\uc73c\ub85c \uc804\ub825\uc744 \uc870\uc808\ud569\ub2c8\ub2e4. \uc804\uc555\uc744 \uc804\ub2ec\ud558\ub294 \uc2dc\uac04(ON \uc2dc\uac04)\uacfc \uc804\ub2ec\ud558\uc9c0 \uc54a\ub294 \uc2dc\uac04(OFF \uc2dc\uac04)\uc758 \ube44\uc728\uc744 \uc870\uc808\ud568\uc73c\ub85c\uc368 \ubd80\ud558\uc5d0 \uacf5\uae09\ub418\ub294 \ud3c9\uade0 \uc804\ub825\uc744 \uc81c\uc5b4\ud558\uac8c \ub429\ub2c8\ub2e4. \uc774 \ube44\uc728\uc744 &#8216;\ub4c0\ud2f0 \uc0ac\uc774\ud074(duty cycle)&#8217;\uc774\ub77c\uace0 \ud558\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \ud37c\uc13c\ud2b8(%)\ub85c \ud45c\ud604\ud569\ub2c8\ub2e4.<\/p>\n<p>\n\uc608\ub97c \ub4e4\uc5b4, \ub4c0\ud2f0 \uc0ac\uc774\ud074\uc774 50%\ub77c\uba74, PWM \uc2e0\ud638\ub294 \uc804\uccb4 \uc8fc\uae30\uc758 \uc808\ubc18 \ub3d9\uc548 \uc804\uc555\uc744 \uc804\ub2ec\ud558\uace0, \ub098\uba38\uc9c0 \uc808\ubc18 \ub3d9\uc548\uc740 \uc804\ub2ec\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub4c0\ud2f0 \uc0ac\uc774\ud074\uc774 \uc99d\uac00\ud558\uba74 \ubd80\ud558\ub85c \uacf5\uae09\ub418\ub294 \ud3c9\uade0 \uc804\ub825\uc774 \uc99d\uac00\ud558\uace0, \ubc18\ub300\ub85c \ub4c0\ud2f0 \uc0ac\uc774\ud074\uc774 \uac10\uc18c\ud558\uba74 \ud3c9\uade0 \uc804\ub825\uc774 \uac10\uc18c\ud569\ub2c8\ub2e4.\n<\/p>\n<h2>PWM \ucee8\ud2b8\ub864\ub7ec\uc758 \uc7a5\uc810<\/h2>\n<ul>\n<li><strong>\uc5d0\ub108\uc9c0 \ud6a8\uc728\uc131:<\/strong> PWM\uc740 \uc804\ub825 \uc18c\ubaa8\uac00 \uc801\uc5b4 \uc5d0\ub108\uc9c0\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. <\/li>\n<li><strong>\ub0ae\uc740 \ubc1c\uc5f4:<\/strong> \ubd80\ud558\uc5d0 \uc5f0\uc18d\uc801\uc778 \uc804\ub958\uac00 \uc544\ub2cc \ud384\uc2a4 \ud615\ud0dc\ub85c \uc804\ub825\uc744 \uacf5\uae09\ud558\uae30 \ub54c\ubb38\uc5d0 \ubc1c\uc5f4\uc774 \uc801\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc815\ubc00\ud55c \uc81c\uc5b4:<\/strong> \ub4c0\ud2f0 \uc0ac\uc774\ud074\uc758 \ubbf8\uc138\ud55c \uc870\uc808\uc744 \ud1b5\ud574 \uc815\ubc00\ud55c \uc804\ub825 \uc81c\uc5b4\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>PWM\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n<p>PWM \uae30\uc220\uc740 \ub2e4\uc591\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub2e4\uc74c\uc740 PWM \ucee8\ud2b8\ub864\ub7ec\uac00 \uc0ac\uc6a9\ub418\ub294 \uba87 \uac00\uc9c0 \uc608\uc785\ub2c8\ub2e4:<\/p>\n<ol>\n<li><strong>\ubaa8\ud130 \uc18d\ub3c4 \uc81c\uc5b4:<\/strong> \uc804\ub3d9\uacf5\uad6c, \ud32c, \ud38c\ud504 \ub4f1 \ub2e4\uc591\ud55c \ubaa8\ud130\uc758 \uc18d\ub3c4\ub97c \uc870\uc808\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>LED \ubc1d\uae30 \uc870\uc808:<\/strong> \uc870\uba85 \uc81c\uc5b4\uc5d0\uc11c LED\uc758 \ubc1d\uae30\ub97c \uc870\uc808\ud558\ub294 \ub370 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc804\ub825 \ubcc0\ud658:<\/strong> DC-DC \ucee8\ubc84\ud130, \uc778\ubc84\ud130 \ub4f1 \uc804\ub825 \ubcc0\ud658 \uc7a5\uce58\uc5d0\uc11c \ud6a8\uc728\uc744 \ub192\uc774\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>PWM \ucee8\ud2b8\ub864\ub7ec \uc124\uacc4 \uc2dc \uace0\ub824\uc0ac\ud56d<\/h2>\n<p>PWM \ucee8\ud2b8\ub864\ub7ec\ub97c \uc124\uacc4\ud560 \ub54c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc911\uc694\ud55c \uc694\uc18c\ub4e4\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc8fc\ud30c\uc218 \uc120\ud0dd:<\/strong> PWM \uc2e0\ud638\uc758 \uc8fc\ud30c\uc218\uac00 \ub192\uc544\uc9c8\uc218\ub85d \uc81c\uc5b4\ub294 \ub354 \uc138\ubc00\ud574\uc9c0\ub098 \uc2a4\uc704\uce6d \uc190\uc2e4\uc774 \uc99d\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2a4\uc704\uce6d \uc190\uc2e4 \uac10\uc18c:<\/strong> \ubd80\ud488\ub4e4\uc758 \uc2a4\uc704\uce6d \uc190\uc2e4\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \uc801\ud569\ud55c \ub4dc\ub77c\uc774\ubc84 \ud68c\ub85c\uc640 \uac8c\uc774\ud2b8 \uc800\ud56d\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc804\uc790\uae30 \uac04\uc12d(EMI) \uad00\ub9ac:<\/strong> \uace0\uc8fc\ud30c \uc2a4\uc704\uce6d\uc73c\ub85c \uc778\ud55c \uc804\uc790\uae30 \uac04\uc12d\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uad00\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc804\ub958 \ubaa8\ub4dc PWM \ucee8\ud2b8\ub864\ub7ec\ub294 \uac04\ub2e8\ud574 \ubcf4\uc774\uc9c0\ub9cc \uace0\ub3c4\uc758 \uae30\uc220\uc744 \ud544\uc694\ub85c \ud558\uba70, \ud604\ub300 \uc804\uc790 \uae30\uc220\uc758 \ud544\uc218\uc801\uc778 \ubd80\ubd84\uc785\ub2c8\ub2e4. \uc774 \uae30\uc220\uc744 \uc774\ud574\ud558\uace0 \uc62c\ubc14\ub974\uac8c \uc801\uc6a9\ud558\ub294 \uac83\uc740 \uc5d0\ub108\uc9c0 \ud6a8\uc728\uc801\uc774\uace0, \uc131\ub2a5\uc774 \uc6b0\uc218\ud55c \uc804\uc790 \uc7a5\ube44\ub97c \ub514\uc790\uc778\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc804\ub958 \ubaa8\ub4dc PWM \ucee8\ud2b8\ub864\ub7ec\ub294 \uc804\ub825 \uc81c\uc5b4 \uae30\uc220\ub85c, \uc804\ub958\uc758 \ud3ed \uc870\uc808\uc744 \ud1b5\ud574 \ubaa8\ud130 \uc18d\ub3c4, LED \ubc1d\uae30 \ub4f1\uc744 \uc815\ubc00\ud558\uac8c \uc870\uc808\ud560 \uc218 \uc788\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":183066,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-148154","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-88","tag-89","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\uc804\ub958 \ubaa8\ub4dc \ud384\uc2a4 \ud3ed \uc870\uc808 (PWM) \ucee8\ud2b8\ub864\ub7ec | \uc791\ub3d9 \ubc29\uc2dd, \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8 \ubc0f \uc7a5\uc810<\/title>\n<meta name=\"description\" content=\"\uc804\ub958 \ubaa8\ub4dc PWM \ucee8\ud2b8\ub864\ub7ec\ub294 \uc804\ub825 \uc81c\uc5b4 \uae30\uc220\ub85c, \uc804\ub958\uc758 \ud3ed 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