{"id":6599,"date":"2021-08-27T12:22:08","date_gmt":"2021-08-27T12:22:08","guid":{"rendered":"https:\/\/imperix.com\/doc\/?p=6599"},"modified":"2025-05-07T10:41:32","modified_gmt":"2025-05-07T10:41:32","slug":"step-up-boost-converter","status":"publish","type":"post","link":"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter","title":{"rendered":"Step-up boost converter"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-right-text counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#What-is-a-step-up-boost-converter\" >What is a step-up boost converter?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#Continuous-and-discontinuous-conduction\" >Continuous and discontinuous conduction<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#Boost-converter-implementation-with-imperix-power-modules\" >Boost converter implementation with imperix power modules<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#IGBT-switching-cell\" >IGBT switching cell<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#MOSFET-switching-cell\" >MOSFET switching cell<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#Effect-of-parasitic-components\" >Effect of parasitic components<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#Sizing-the-passive-components\" >Sizing the passive components<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#Academic-references\" >Academic references<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#B-Box-B-Board-implementation\" >B-Box \/ B-Board implementation<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#Software-resources\" >Software resources<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#Simulink\" >Simulink<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#PLECS\" >PLECS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\/#Experimental-results\" >Experimental results<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p>This technical note describes the operating principles of a step-up boost converter. A possible open-loop control implementation of this converter, targeting the&nbsp;<a href=\"https:\/\/imperix.com\/products\/control\/bbox\">B-Box RCP<\/a>&nbsp;or&nbsp;<a href=\"https:\/\/imperix.com\/products\/control\/bboard\">B-Board PRO<\/a>&nbsp;with both&nbsp;<a href=\"https:\/\/imperix.com\/software\/cpp-sdk\">C\/C++<\/a>&nbsp;and&nbsp;<a href=\"https:\/\/imperix.com\/software\/acg-sdk\/\">automated code generation<\/a>&nbsp;approaches, as well as experimental results are presented.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/08\/Complete-testbench-1.png\" alt=\"Complete buck converter testbench\"\/><figcaption class=\"wp-element-caption\">Complete testbench<br>(Power supply and passive components not sold by imperix)<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-step-up-boost-converter\"><span class=\"ez-toc-section\" id=\"What-is-a-step-up-boost-converter\"><\/span>What is a step-up boost converter?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>A step-down buck converter is a type of DC to DC switched-mode power converter like the <a href=\"https:\/\/imperix.com\/doc\/implementation\/step-down-buck-converter\">Step-down buck converter<\/a> and the <a href=\"https:\/\/imperix.com\/doc\/implementation\/buck-boost-converter\">Buck-boost converter<\/a>. Made from two semiconductors (a transistor and a diode), an inductor, a capacitor, and a load resistor, this converter steps up the input voltage \\(V_{in}\\) to a higher output voltage \\(V_{out}\\) according to [1]. By switching on and off \\(S_1\\), the inductor current increases and decreases. The magnitude of these current ripples depends on the input voltage, the duty cycle \\(D\\), the inductor&nbsp;\\(L\\)&nbsp;and the switching frequency \\(f_{sw}\\) of the transistor. This current will then charge the output capacitor, which accumulates the energy transferred from the inductor.<\/p>\n\n\n\n<p>The schematic below presents the topology of a boost (step-up) converter.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"391\" height=\"122\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/08\/Generic_boost_schematic-2.png\" alt=\"step-up boost converter schematic\" class=\"wp-image-7266\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/08\/Generic_boost_schematic-2.png 391w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/08\/Generic_boost_schematic-2-300x94.png 300w\" sizes=\"auto, (max-width: 391px) 100vw, 391px\" \/><figcaption class=\"wp-element-caption\">Step-up converter schematic<\/figcaption><\/figure>\n<\/div>\n\n\n<p>The well known input to output voltage relation for a boost converter follows the equation<\/p>\n\n\n\n<p>$$V_{out} = V_{in} * \\frac{1}{1-D}$$<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-continuous-and-discontinuous-conduction\"><span class=\"ez-toc-section\" id=\"Continuous-and-discontinuous-conduction\"><\/span>Continuous and discontinuous conduction<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Similar to the buck converter, the boost converter can also operate in continuous and discontinuous conduction mode, depending on the inductor current. For more information on the conduction modes, please refer to the <a href=\"https:\/\/imperix.com\/doc\/implementation\/step-down-buck-converter\">Step-down buck converter<\/a> note. Also, a plot of the operating mode boundaries can be found in [2].<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-boost-converter-implementation-with-imperix-power-modules\"><span class=\"ez-toc-section\" id=\"Boost-converter-implementation-with-imperix-power-modules\"><\/span>Boost converter implementation with imperix power modules<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Since imperix power modules are based on bidirectional switching cells, the boost converter implementation is very similar to the one of the buck. In a sense, the boost is just a buck whose input and output have been reversed. Note that there is no need for an external output capacitance since it is already integrated into the power module.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-igbt-switching-cell\"><span class=\"ez-toc-section\" id=\"IGBT-switching-cell\"><\/span>IGBT switching cell<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Therefore, the same considerations on semiconductor technology can be applied to the boost. This means that, when using IGBT modules, only the low-side transistor is driven.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"210\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Imperix_schematic.png\" alt=\"Boost converter schematic with IGNT\" class=\"wp-image-8005\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Imperix_schematic.png 400w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Imperix_schematic-300x158.png 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><figcaption class=\"wp-element-caption\">Boost converter built with an IGBT based imperix module<\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-mosfet-switching-cell\"><span class=\"ez-toc-section\" id=\"MOSFET-switching-cell\"><\/span>MOSFET switching cell<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>With MOSFETs, however, both transistors are driven for synchronous rectification. The page <a href=\"https:\/\/imperix.com\/doc\/implementation\/step-down-buck-converter\">Step-down buck converter<\/a> further details the difference of implementation between both technologies.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"397\" height=\"223\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Imperix_MOSFET_schematic-1.png\" alt=\"Boost converter schematic with MOSFET\" class=\"wp-image-8006\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Imperix_MOSFET_schematic-1.png 397w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Imperix_MOSFET_schematic-1-300x169.png 300w\" sizes=\"auto, (max-width: 397px) 100vw, 397px\" \/><figcaption class=\"wp-element-caption\">Boost converter built with an MOSFET based imperix module<\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-effect-of-parasitic-components\"><span class=\"ez-toc-section\" id=\"Effect-of-parasitic-components\"><\/span>Effect of parasitic components<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>A specific characteristic of the boost converter is the impact of the parasitic components of the circuit, specifically the inductor&#8217;s parasitic resistance \\(R_L\\), illustrated above. Adding this series resistance to the model, the relation between the input and output voltage becomes $$V_{out} = V_{in}*\\frac{1}{1-D}\\frac{1}{1+\\frac{R_L}{R(1-D)^2}}$$<\/p>\n\n\n\n<p>This much more complex relation hints that a small parasitic resistance will have a significant impact on the circuit behavior. Indeed, the graph below shows the difference in normalized output voltage for both scenarios (ideal and non-ideal). <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"298\" height=\"241\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/08\/Parasitic-1.png\" alt=\"\" class=\"wp-image-6818\"\/><figcaption class=\"wp-element-caption\">Impact of parasitic components [2]<\/figcaption><\/figure>\n<\/div>\n\n\n<p>To give an idea, with an 8.5 [\u03a9] load resistor and a 0.1 [\u03a9] inductance resistance, the maximum \\(V_{out}\/V_{in}\\) ratio is 4.6 and is located at a duty cycle of 0.89. However, one should still be careful when doing experiments since the output voltage can nonetheless go very high.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-sizing-the-passive-components\"><span class=\"ez-toc-section\" id=\"Sizing-the-passive-components\"><\/span>Sizing the passive components<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The switching of the transistors induces ripples in the inductor current and the output voltage. The current ripples\u2019 amplitude&nbsp;\\(\\Delta I_{L}\\)&nbsp;is determined by the following equation:<\/p>\n\n\n\n<p>$$ \\Delta I_{L} = V_{in} \\frac{D}{Lf_{sw}}$$<\/p>\n\n\n\n<p>and the voltage ripple\u2019s amplitude follows:<\/p>\n\n\n\n<p>$$ \\Delta V_{out} = V_{in} \\frac{D}{RCf_{sw}(1-D)}.$$<\/p>\n\n\n\n<p>Defining an acceptable value for the ripple\u2019s amplitude for a given input voltage, frequency and duty cycle allows for the computation of the passive components.<\/p>\n\n\n\n<p>For instance, with an input voltage of 100 [V], an output voltage of 150[V], and a frequency of 20 [kHz], using an off-the-shelf inductor of 2.36 [mH], the current ripple would have a magnitude of&nbsp;\\(\\Delta I_{out} =0.71\\)&nbsp;[A]. Adding an output capacitance of 2 [mF] and a resistor of 100 [\u03a9] would then result in an output voltage ripple magnitude of&nbsp;\\(\\Delta V_{out} =12.5&nbsp;\\)[mV].<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-academic-references\"><span class=\"ez-toc-section\" id=\"Academic-references\"><\/span>Academic references<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>[1] Mohan, Undeland, Robbins: &#8220;Power Electronics&#8221;, 2002<br>[2] P. Barrade: &#8220;<a href=\"https:\/\/cds.cern.ch\/record\/987552\/files\/p185.pdf\">Switched-mode converters (one quadrant)<\/a>&#8220;, 2006<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-b-box-b-board-implementation\"><span class=\"ez-toc-section\" id=\"B-Box-B-Board-implementation\"><\/span>B-Box \/ B-Board implementation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-software-resources\"><span class=\"ez-toc-section\" id=\"Software-resources\"><\/span>Software resources<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Simulink model<\/p>\n\n\n\n<div class=\"wp-block-file\"><a href=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Boost_Openloop.slx\">Boost_Openloop<\/a><a href=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Boost_Openloop.slx\" class=\"wp-block-file__button wp-element-button\" download>Download<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>PLECS model<\/p>\n\n\n\n<div class=\"wp-block-file\"><a href=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Boost_Openloop.plecs\">Boost_Openloop<\/a><a href=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Boost_Openloop.plecs\" class=\"wp-block-file__button wp-element-button\" download>Download<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<p>The provided Simulinkand PLECS models implement a simple open-loop control for the step-up converter&nbsp;using the&nbsp;<a href=\"https:\/\/imperix.com\/software\/acg-sdk\/\">ACG SDK<\/a>&nbsp;for simulation and code generation. The duty cycle of the PWM signals is computed by dividing the measured input voltage by the desired reference output voltage in a feedforward fashion. The figures below show an overview of the algorithm implementation on Simulink and PLECS.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\" id=\"h-simulink\"><span class=\"ez-toc-section\" id=\"Simulink\"><\/span>Simulink<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"646\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/BoostCtrlSimulink-1024x646.png\" alt=\"\" class=\"wp-image-8153\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/BoostCtrlSimulink-1024x646.png 1024w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/BoostCtrlSimulink-300x189.png 300w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/BoostCtrlSimulink-768x484.png 768w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/BoostCtrlSimulink.png 1364w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Boost converter control implementation on Simulink<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\" id=\"h-plecs\"><span class=\"ez-toc-section\" id=\"PLECS\"><\/span>PLECS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"516\" height=\"409\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/BoostCtrlPlecs.png\" alt=\"\" class=\"wp-image-8154\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/BoostCtrlPlecs.png 516w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/BoostCtrlPlecs-300x238.png 300w\" sizes=\"auto, (max-width: 516px) 100vw, 516px\" \/><figcaption class=\"wp-element-caption\">Boost converter control implementation on PLECS<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-experimental-results\"><span class=\"ez-toc-section\" id=\"Experimental-results\"><\/span>Experimental results<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>The two following plots present the expected experimental behavior of a step-up (boost) converter. In this operating point (D = 1\/3), the converter steps up the input voltage from 100 [V] to 150 [V]. The right plot shows the input current ripples, as well as the leg voltage \\(V_{leg}\\).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"300\" src=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Voltage_current-2.png\" alt=\"\" class=\"wp-image-8029\" srcset=\"https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Voltage_current-2.png 800w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Voltage_current-2-300x113.png 300w, https:\/\/imperix.com\/doc\/wp-content\/uploads\/2021\/09\/Voltage_current-2-768x288.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Boost converter experimental waveforms<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>This technical note describes the operating principles of a step-up boost converter. A possible open-loop control implementation of this converter, targeting the&nbsp;B-Box RCP&nbsp;or&nbsp;B-Board PRO&nbsp;with both&nbsp;C\/C++&nbsp;and&nbsp;automated&#8230;<\/p>\n","protected":false},"author":11,"featured_media":8066,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[4],"tags":[],"software-environments":[103,104],"provided-results":[108],"related-products":[50,32,92,166,112,111],"guidedreadings":[115,116],"tutorials":[],"user-manuals":[],"coauthors":[64],"class_list":["post-6599","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-implementation","software-environments-matlab","software-environments-plecs","provided-results-experimental","related-products-acg-sdk","related-products-b-box-rcp","related-products-b-box-micro","related-products-b-box-rcp-3-0","related-products-peb","related-products-pm","guidedreadings-single-phase-pv-inverter-with-fictive-axis-emulation","guidedreadings-three-phase-pv-inverter-for-grid-tied-applications"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Step-up boost converter - imperix<\/title>\n<meta name=\"description\" content=\"This note details the working principle of a DC to DC boost (step-up) converter. A control algorithm and experimental results are presented.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/imperix.com\/doc\/implementation\/step-up-boost-converter\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Step-up boost converter - imperix\" \/>\n<meta property=\"og:description\" content=\"This note details the working principle of a DC to DC boost (step-up) converter. 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