{"id":18030,"date":"2017-11-29T08:00:09","date_gmt":"2017-11-29T16:00:09","guid":{"rendered":"http:\/\/www.autodesk.com\/products\/eagle\/blog\/?p=1965"},"modified":"2023-07-16T12:53:27","modified_gmt":"2023-07-16T19:53:27","slug":"everyday-app-note-linear-regulator-switch-mode-power-supplies","status":"publish","type":"post","link":"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/everyday-app-note-linear-regulator-switch-mode-power-supplies\/","title":{"rendered":"Everyday App Note: Linear Regulator and Switch Mode Power Supplies"},"content":{"rendered":"\n<p><span style=\"font-weight: 400;\">Today\u2019s Everyday App Note comes from <\/span><a href=\"http:\/\/www.analog.com\/en\/index.html\"><span style=\"font-weight: 400;\">Analog Devices<\/span><\/a><span style=\"font-weight: 400;\">, a leader in the design and manufacturing of analog, mixed-signal, and DSP integrated circuits. In this app note, Analog dives into the problem of power supply design and selection. Power management is getting thrown onto the plates of system designers, many who don\u2019t have a background in power supply design. We\u2019ve got you covered. With this app note, you\u2019ll build a foundation of knowledge in linear regulator and switch mode power supply concepts.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"412\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/Analog_Devices_Logo.svg_-1-1024x412.png\" alt=\"Analog Devices ahead of what\u2019s possible\n\" class=\"wp-image-59338\" srcset=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/Analog_Devices_Logo.svg_-1-1024x412.png 1024w, https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/Analog_Devices_Logo.svg_-1-300x121.png 300w, https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/Analog_Devices_Logo.svg_-1-768x309.png 768w, https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/Analog_Devices_Logo.svg_-1-1536x618.png 1536w, https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/Analog_Devices_Logo.svg_-1.png 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"who-is-this-app-note-for\">Who Is This App Note For?<\/h2>\n\n\n<p><span style=\"font-weight: 400;\">This app note was created for an electrical engineer who is tasked with designing a power management system but lacks prior experience in power supply design. The most challenging hurdle is to simply understand what kind of power supply you need to design, either a linear regulator or switch mode device. <\/span><\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"why-should-you-read-this-app-note\">Why Should You Read This App Note?<\/h2>\n\n\n<p><span style=\"font-weight: 400;\">Many of today\u2019s electronic devices are focused on efficiency and require more power rails than ever. With loads that range anywhere from a few mA to over 100A, it\u2019s important to choose a power management solution that meets your specific <a href=\"https:\/\/www.autodesk.com\/solutions\/circuit-design-software\">circuit design<\/a> requirements, such as:<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"font-weight: 400;\">Power conversion efficiency<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Printed circuit board (PCB) space limitations<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Output regulation requirements<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Transient response time requirements<\/span><\/li>\n\n\n\n<li><span style=\"font-weight: 400;\">Cost to design and manufacture<\/span><\/li>\n<\/ul>\n\n\n\n<p><span style=\"font-weight: 400;\">This app note provides an in-depth overview of the two most common power supply designs to consider &#8211; linear regulator and switch mode power supplies. After reading this app note you\u2019ll walk away with a clear understanding of what power supply you need to design for your next electronics device. <\/span><\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"what-problems-does-this-app-note-solve\">What Problems Does This App Note Solve?<\/h2>\n\n\n<p><span style=\"font-weight: 400;\">Power converters hold the responsibility of generating a steady DC output voltage for a load from a fluctuating AC input source. This is no easy task and requires the power converter to meet load voltage and current regulation requirements during both steady-state and transient operations. In this app note you\u2019ll learn how to protect and supply your load with two power supply topologies:<\/span><\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"linear-regulator\">Linear Regulator<\/h3>\n\n\n<p><span style=\"font-weight: 400;\">Linear regulators are known for their ease of use and provide a noise-free power management solution. Many integrated linear regulators only need VIN, VOUT, FB, and GND pins, making it easy for any electrical engineer to design and implement.<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large wp-image-1968 size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"491\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/3552-1024x491.jpg\" alt=\"5v to 3v3 regulator\" class=\"wp-image-59344\" srcset=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/3552-1024x491.jpg 1024w, https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/3552-300x144.jpg 300w, https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/3552-768x368.jpg 768w, https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/3552.jpg 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>LT1086, one of the most common, and simple linear regulators. (<a href=\"http:\/\/www.linear.com\/product\/LT1086\">Image source<\/a>)<\/em><\/figcaption><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"switch-mode\">Switch Mode<\/h3>\n\n\n<p><span style=\"font-weight: 400;\">Switch mode devices are ideal for applications where efficiency and battery life are important. In this power management solution, transistors switch on and off to block or conduct current. This topology provides a steady output voltage with low power dissipation, all in a small form factor. <\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full wp-image-1969\"><img loading=\"lazy\" decoding=\"async\" width=\"916\" height=\"548\" src=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/LTC1624.jpg\" alt=\"buck converter switch\u00a0device\" class=\"wp-image-59349\" srcset=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/LTC1624.jpg 916w, https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/LTC1624-300x179.jpg 300w, https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/wp-content\/uploads\/2023\/07\/LTC1624-768x459.jpg 768w\" sizes=\"auto, (max-width: 916px) 100vw, 916px\" \/><figcaption class=\"wp-element-caption\"><em>Buck converter switch mode device that can both buck and boost voltage levels. (<a href=\"https:\/\/ac-dc.power.com\/forum\/high-power-design\/12v-6a-power-supply-help-buck-and-boost-converters-oring-circuit\/\">Image source<\/a>)<\/em><\/figcaption><\/figure>\n\n\n\n<p><span style=\"font-weight: 400;\">There\u2019s more to learn inside. Learn the basic concepts of linear regulators and switch mode power supplies by <\/span><a href=\"http:\/\/cds.linear.com\/docs\/en\/application-note\/AN140fb.pdf\"><span style=\"font-weight: 400;\">downloading this application note from Analog Devices now!<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Need to design a power supply? Get started by learning the basic concepts of linear regulator and switch mode power supplies in our Everyday App Note from Analog Devices!<\/p>\n","protected":false},"author":2425,"featured_media":1913,"menu_order":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[434],"tags":[],"coauthors":[],"class_list":["post-18030","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eagle","dhig-theme--light"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Power Supply Design | Everyday App Note | EAGLE | Blog<\/title>\n<meta name=\"description\" content=\"Learn the basic concepts of power supply design and power management topologies, linear regulator and switch mode, from an Analog Devices application note.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/everyday-app-note-linear-regulator-switch-mode-power-supplies\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Power Supply Design | Everyday App Note | EAGLE | Blog\" \/>\n<meta property=\"og:description\" content=\"Learn the basic concepts of power supply design and power management topologies, linear regulator and switch mode, from an Analog Devices application note.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.autodesk.com\/products\/fusion-360\/blog\/everyday-app-note-linear-regulator-switch-mode-power-supplies\/\" \/>\n<meta property=\"og:site_name\" content=\"Fusion Blog\" \/>\n<meta property=\"article:published_time\" content=\"2017-11-29T16:00:09+00:00\" 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