{"id":17552,"date":"2026-01-19T16:25:41","date_gmt":"2026-01-19T16:25:41","guid":{"rendered":"https:\/\/www.c2psu.com\/?p=17552"},"modified":"2026-01-19T16:25:46","modified_gmt":"2026-01-19T16:25:46","slug":"quelle-est-la-difference-entre-une-alimentation-lineaire-et-une-alimentation-a-decoupage%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.c2psu.com\/fr\/quelle-est-la-difference-entre-une-alimentation-lineaire-et-une-alimentation-a-decoupage%ef%bc%9f\/","title":{"rendered":"Quelle est la diff\u00e9rence entre une alimentation lin\u00e9aire et une alimentation \u00e0 d\u00e9coupage\uff1f ?"},"content":{"rendered":"

Lorsque vous choisissez une alimentation pour votre projet ou produit \u00e9lectronique, l'un des choix les plus fondamentaux que vous ferez sera celui d'une alimentation en courant \u00e9lectrique. alimentation lin\u00e9aire<\/strong> et un alimentation \u00e0 d\u00e9coupage<\/strong>. Chacun d'entre eux pr\u00e9sente des avantages, des limites et des applications id\u00e9ales. Le choix du mauvais type peut entra\u00eener une inefficacit\u00e9, une surchauffe, des interf\u00e9rences sonores ou des co\u00fbts inutiles.<\/p>\n\n\n\n

Ce guide pr\u00e9sente les principales diff\u00e9rences et vous aide \u00e0 prendre une d\u00e9cision \u00e9clair\u00e9e en fonction de vos besoins sp\u00e9cifiques.<\/p>\n\n\n\n

\n\n\n\n

Leur fonctionnement : Deux philosophies diff\u00e9rentes<\/h2>\n\n\n\n

Alimentations lin\u00e9aires : L'approche \u201canalogique<\/strong><\/h3>\n\n\n\n

Les alimentations lin\u00e9aires fonctionnent comme une r\u00e9sistance intelligente, r\u00e9glable en continu. Elles abaissent la tension alternative (provenant de la prise murale) par le biais d'un transformateur, la redressent en courant continu et utilisent enfin un transformateur. r\u00e9gulateur lin\u00e9aire<\/strong> pour \u201cbr\u00fbler\u201d l'exc\u00e8s de tension sous forme de chaleur afin de fournir une sortie propre et stable.<\/p>\n\n\n\n

Pensez-y comme \u00e0 un r\u00e9gulateur de pression sur un tuyau d'arrosage : il assure un d\u00e9bit r\u00e9gulier en dissipant l'\u00e9nergie exc\u00e9dentaire.<\/p>\n\n\n\n

Alimentations \u00e0 d\u00e9coupage : L'approche \u201cnum\u00e9rique<\/strong><\/h3>\n\n\n\n

Les alimentations \u00e0 d\u00e9coupage (SMPS - Switch-Mode Power Supply) activent et d\u00e9sactivent rapidement l'alimentation \u00e0 haute fr\u00e9quence (typiquement des dizaines \u00e0 des centaines de kHz). Ce signal \u201chach\u00e9\u201d est ensuite transform\u00e9, redress\u00e9 et filtr\u00e9 pour produire le courant continu souhait\u00e9. L'\u00e9nergie est transf\u00e9r\u00e9e par paquets discrets, la r\u00e9gulation \u00e9tant r\u00e9alis\u00e9e en faisant varier la largeur ou la fr\u00e9quence de ces impulsions (technique appel\u00e9e modulation de largeur d'impulsion, ou MLI).<\/p>\n\n\n\n

C'est comme ouvrir et fermer rapidement un robinet pour obtenir le d\u00e9bit moyen souhait\u00e9 avec un minimum de pertes.<\/p>\n\n\n\n

\n\n\n\n

Comparaison t\u00eate \u00e0 t\u00eate<\/h2>\n\n\n\n
Fonctionnalit\u00e9<\/th>Alimentation lin\u00e9aire<\/th>Alimentation \u00e0 d\u00e9coupage<\/th><\/tr><\/thead>
Principe de fonctionnement<\/strong><\/td>Dissipe l'exc\u00e8s de tension sous forme de chaleur<\/td>Coupe l'entr\u00e9e et r\u00e9gule par commutation \u00e0 haute fr\u00e9quence<\/td><\/tr>
Efficacit\u00e9<\/strong><\/td>Faible (30-60%) - Perte d'\u00e9nergie \u00e9lev\u00e9e sous forme de chaleur<\/td>Haute (70-95%) - Perte d'\u00e9nergie minimale<\/td><\/tr>
Production de chaleur<\/strong><\/td>Tr\u00e8s \u00e9lev\u00e9 - N\u00e9cessite de grands dissipateurs thermiques<\/td>Faible \u00e0 mod\u00e9r\u00e9 - Conception compacte<\/td><\/tr>
Taille et poids<\/strong><\/td>Grand et lourd (en raison du transformateur et des dissipateurs thermiques)<\/td>Petit et l\u00e9ger (la haute fr\u00e9quence permet d'utiliser des composants minuscules)<\/td><\/tr>
Bruit de sortie<\/strong><\/td>Sortie DC tr\u00e8s faible et \u201cpropre<\/td>Plus \u00e9lev\u00e9 - g\u00e9n\u00e8re du bruit\/des parasites \u00e0 haute fr\u00e9quence<\/td><\/tr>
Complexit\u00e9<\/strong><\/td>Simple, moins de composants<\/td>Complexe, plus de composants et de circuits de contr\u00f4le<\/td><\/tr>
R\u00e9ponse transitoire<\/strong><\/td>Bon - R\u00e9pond rapidement aux changements de charge<\/td>G\u00e9n\u00e9ralement plus lent, mais d\u00e9pendant de la conception<\/td><\/tr>
Co\u00fbt (haute puissance)<\/strong><\/td>\u00c9lev\u00e9 (en raison des mat\u00e9riaux et de la gestion de la chaleur)<\/td>Plus bas<\/td><\/tr>
Co\u00fbt (faible puissance)<\/strong><\/td>Peut \u00eatre comp\u00e9titif pour des conceptions tr\u00e8s simples<\/td>L\u00e9g\u00e8rement plus \u00e9lev\u00e9 en raison de la complexit\u00e9<\/td><\/tr>
Interf\u00e9rences EMI\/RFI<\/strong><\/td>Tr\u00e8s faible<\/td>Peut \u00eatre \u00e9lev\u00e9 - n\u00e9cessite un filtrage\/blindage minutieux<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

Avantages et inconv\u00e9nients en d\u00e9tail<\/h2>\n\n\n\n

Alimentation lin\u00e9aire : Le pour et le contre<\/strong><\/h3>\n\n\n\n

Avantages :<\/strong><\/p>\n\n\n\n

    \n
  • Superbe qualit\u00e9 de sortie :<\/strong>\u00a0Fournit une alimentation CC extr\u00eamement \u201cpropre\u201d, \u00e0 faible bruit et \u00e0 faible ondulation. Id\u00e9al pour les circuits analogiques sensibles (amplificateurs audio, capteurs, \u00e9quipements RF).<\/li>\n\n\n\n
  • Simplicit\u00e9 et fiabilit\u00e9 :<\/strong>\u00a0Moins de composants signifie moins de points de d\u00e9faillance potentiels et une conception plus simple.<\/li>\n\n\n\n
  • R\u00e9ponse transitoire rapide :<\/strong>\u00a0R\u00e9agit tr\u00e8s rapidement aux variations soudaines du courant de charge.<\/li>\n\n\n\n
  • IEM minimale :<\/strong>\u00a0Ne produit pratiquement pas d'interf\u00e9rences \u00e9lectromagn\u00e9tiques \u00e0 haute fr\u00e9quence, ce qui facilite la r\u00e9ussite des tests CEM r\u00e9glementaires.<\/li>\n<\/ul>\n\n\n\n

    Inconv\u00e9nients :<\/strong><\/p>\n\n\n\n

      \n
    • Faible efficacit\u00e9 :<\/strong>\u00a0Une grande partie de l'\u00e9nergie d'entr\u00e9e est gaspill\u00e9e sous forme de chaleur, en particulier lorsque la diff\u00e9rence entre la tension d'entr\u00e9e et la tension de sortie est importante.<\/li>\n\n\n\n
    • Encombrant et lourd :<\/strong>\u00a0Le transformateur basse fr\u00e9quence et les grands dissipateurs thermiques occupent un espace important.<\/li>\n\n\n\n
    • Flexibilit\u00e9 limit\u00e9e :<\/strong>\u00a0G\u00e9n\u00e9ralement con\u00e7u pour une combinaison sp\u00e9cifique de tension d'entr\u00e9e et de sortie. Il n'est pas id\u00e9al pour de larges plages d'entr\u00e9e.<\/li>\n\n\n\n
    • Gestion de la chaleur :<\/strong>\u00a0N\u00e9cessite une ventilation ou un dissipateur thermique important, ce qui a un impact sur la conception du syst\u00e8me.<\/li>\n<\/ul>\n\n\n\n

      Alimentation \u00e0 d\u00e9coupage : Le pour et le contre<\/strong><\/h3>\n\n\n\n

      Avantages :<\/strong><\/p>\n\n\n\n

        \n
      • Haute efficacit\u00e9 :<\/strong>\u00a0Gaspille tr\u00e8s peu d'\u00e9nergie, ce qui se traduit par un fonctionnement plus froid et des co\u00fbts d'\u00e9lectricit\u00e9 plus faibles. Indispensable pour les applications aliment\u00e9es par batterie et de grande puissance.<\/li>\n\n\n\n
      • Petit et l\u00e9ger :<\/strong>\u00a0Le fonctionnement \u00e0 haute fr\u00e9quence permet l'utilisation de transformateurs et de composants de filtrage minuscules.<\/li>\n\n\n\n
      • Flexible et polyvalent :<\/strong>\u00a0Peut g\u00e9rer de larges plages de tension d'entr\u00e9e (par exemple, 90-264V AC). Peut facilement g\u00e9n\u00e9rer plusieurs tensions de sortie (par exemple, +12V, -12V, +5V, +3,3V) \u00e0 partir d'une seule unit\u00e9.<\/li>\n\n\n\n
      • Haute densit\u00e9 de puissance :<\/strong>\u00a0Peut fournir beaucoup plus de puissance par unit\u00e9 de volume et de poids qu'une alimentation lin\u00e9aire.<\/li>\n<\/ul>\n\n\n\n

        Inconv\u00e9nients :<\/strong><\/p>\n\n\n\n

          \n
        • Bruit de sortie :<\/strong>\u00a0Le bruit de commutation et l'ondulation peuvent interf\u00e9rer avec les circuits sensibles s'ils ne sont pas correctement filtr\u00e9s.<\/li>\n\n\n\n
        • Conception complexe :<\/strong>\u00a0La multiplication des composants et des boucles de contr\u00f4le complexes augmente la complexit\u00e9 de la conception et les modes de d\u00e9faillance potentiels.<\/li>\n\n\n\n
        • D\u00e9fis en mati\u00e8re d'interf\u00e9rence \u00e9lectromagn\u00e9tique :<\/strong>\u00a0Les commutations \u00e0 haute fr\u00e9quence g\u00e9n\u00e8rent des interf\u00e9rences \u00e9lectromagn\u00e9tiques (EMI), qui n\u00e9cessitent une disposition, un filtrage et un blindage minutieux des circuits imprim\u00e9s afin de respecter les normes.<\/li>\n\n\n\n
        • Potentiel d'oscillation :<\/strong>\u00a0La boucle de contr\u00f4le en retour peut devenir instable dans certaines conditions si elle n'est pas correctement compens\u00e9e.<\/li>\n<\/ul>\n\n\n\n
          \n\n\n\n

          Quand choisir quel type de produit ? Guide d'application<\/h2>\n\n\n\n

          Choisir une alimentation lin\u00e9aire quand :<\/strong><\/h3>\n\n\n\n
            \n
          1. La fid\u00e9lit\u00e9 du signal est primordiale :<\/strong>\u00a0Critique pour :\n
              \n
            • Pr\u00e9amplificateurs audio et \u00e9quipements haute fid\u00e9lit\u00e9<\/li>\n\n\n\n
            • Circuits de capteurs analogiques de pr\u00e9cision<\/li>\n\n\n\n
            • Instruments de laboratoire et de test\/mesure<\/li>\n\n\n\n
            • Syst\u00e8mes de communication RF et r\u00e9cepteurs radio<\/li>\n<\/ul>\n<\/li>\n\n\n\n
            • Un faible niveau de bruit n'est pas n\u00e9gociable :<\/strong>\u00a0Lorsqu'un bruit d'alimentation, m\u00eame minime, d\u00e9grade les performances du syst\u00e8me.<\/li>\n\n\n\n
            • Pour des circuits simples \u00e0 tr\u00e8s faible consommation :<\/strong>\u00a0Lorsque l'efficacit\u00e9 et la taille ne comptent pas, mais que la simplicit\u00e9 et le faible co\u00fbt comptent (par exemple, un simple r\u00e9gulateur de 5V pour un microcontr\u00f4leur).<\/li>\n\n\n\n
            • En tant que \u201cpost-r\u00e9gulateur\u201d :<\/strong>\u00a0Suivre une alimentation \u00e0 d\u00e9coupage bruyante pour nettoyer sa sortie pour les \u00e9tages analogiques sensibles.<\/li>\n<\/ol>\n\n\n\n

              Choisissez une alimentation \u00e0 d\u00e9coupage lorsque :<\/strong><\/h3>\n\n\n\n
                \n
              1. L'efficacit\u00e9 et la chaleur sont les principales pr\u00e9occupations :<\/strong>\u00a0Essentiel pour :\n
                  \n
                • Applications \u00e0 haute puissance (ordinateurs, serveurs, entra\u00eenements de moteurs)<\/li>\n\n\n\n
                • Appareils portables fonctionnant sur batterie (ordinateurs portables, t\u00e9l\u00e9phones, appareils IoT)<\/li>\n\n\n\n
                • Toute application o\u00f9 le refroidissement est difficile ou co\u00fbteux<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                • Le nombre de places et le poids sont limit\u00e9s :<\/strong>\n
                    \n
                  • \u00c9lectronique grand public (t\u00e9l\u00e9viseurs, consoles de jeux)<\/li>\n\n\n\n
                  • Pilotes d'\u00e9clairage LED<\/li>\n\n\n\n
                  • Tout produit \u00e9lectronique moderne et compact<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                  • La tension d'entr\u00e9e varie consid\u00e9rablement :<\/strong>\n
                      \n
                    • \u00c9lectronique automobile (doit g\u00e9rer 9V-16V ou plus)<\/li>\n\n\n\n
                    • Produits vendus dans le monde entier (doivent fonctionner sur les r\u00e9seaux 110V et 220V)<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                    • Vous avez besoin de plusieurs tensions de sortie :<\/strong>\u00a0Fr\u00e9quent dans les syst\u00e8mes num\u00e9riques complexes tels que les cartes m\u00e8res ou les contr\u00f4leurs industriels.<\/li>\n<\/ol>\n\n\n\n
                      \n\n\n\n

                      Le paysage moderne : Une approche mixte<\/h2>\n\n\n\n

                      Aujourd'hui, le choix n'est pas toujours binaire. De nombreux syst\u00e8mes sophistiqu\u00e9s utilisent un approche hybride<\/strong>:<\/p>\n\n\n\n

                        \n
                      • A\u00a0pr\u00e9-r\u00e9gulateur de commutation<\/strong>\u00a0est utilis\u00e9 pour une conversion efficace de la tension de masse.<\/li>\n\n\n\n
                      • Suivie par\u00a0R\u00e9gulateurs lin\u00e9aires \u00e0 faible perte (LDO)<\/strong>\u00a0\u00e0 chaque point de charge pour fournir une alimentation ultra-propre et stable aux circuits int\u00e9gr\u00e9s analogiques ou num\u00e9riques sensibles (comme les FPGA, les ADC ou les DAC).<\/li>\n<\/ul>\n\n\n\n

                        Il combine l'efficacit\u00e9 de la commutation avec les performances de la r\u00e9gulation lin\u00e9aire.<\/p>\n\n\n\n

                        \n\n\n\n

                        Liste de contr\u00f4le pour une d\u00e9cision rapide<\/h2>\n\n\n\n

                        Posez-vous ces questions pour votre prochain projet :<\/p>\n\n\n\n

                        Votre demande<\/strong><\/th>Se penche vers :<\/strong><\/th><\/tr><\/thead>
                        Une alimentation propre et peu bruyante pour les circuits audio\/analogiques ?<\/td>Lin\u00e9aire<\/strong><\/td><\/tr>
                        Efficacit\u00e9 maximale et chaleur minimale ?<\/td>Commutation<\/strong><\/td><\/tr>
                        Le facteur de forme le plus petit et le plus l\u00e9ger possible ?<\/td>Commutation<\/strong><\/td><\/tr>
                        La conception la plus simple et la plus fiable ?<\/td>Lin\u00e9aire<\/strong> (pour une faible puissance)<\/td><\/tr>
                        Puissance de sortie \u00e9lev\u00e9e (>10W) ?<\/td>Commutation<\/strong><\/td><\/tr>
                        Fonctionnement global avec une tension d'entr\u00e9e \u00e9lev\u00e9e ?<\/td>Commutation<\/strong><\/td><\/tr>
                        Un co\u00fbt tr\u00e8s faible pour un circuit simple et peu gourmand en \u00e9nergie ?<\/td>Lin\u00e9aire<\/strong> (peut \u00eatre comp\u00e9titif)<\/td><\/tr>
                        Vous souhaitez passer facilement les tests EMI\/EMC ?<\/td>Lin\u00e9aire<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                        \n\n\n\n

                        Verdict final<\/h2>\n\n\n\n

                        Il n'existe pas de type universellement \u201cmeilleur\u201d. Chacun est un outil sup\u00e9rieur pour des t\u00e2ches diff\u00e9rentes :<\/p>\n\n\n\n

                          \n
                        • Pensez \u00e0 une alimentation lin\u00e9aire<\/strong>\u00a0en tant que\u00a0instrument de laboratoire de pr\u00e9cision<\/strong>-privil\u00e9gier la performance et la puret\u00e9 au d\u00e9triment de l'encombrement et de l'efficacit\u00e9.<\/li>\n\n\n\n
                        • Pensez \u00e0 une alimentation \u00e0 d\u00e9coupage<\/strong>\u00a0en tant que\u00a0moteur \u00e0 haut rendement<\/strong>-La priorit\u00e9 est donn\u00e9e \u00e0 la compacit\u00e9, \u00e0 la polyvalence et aux \u00e9conomies d'\u00e9nergie, tout en exigeant davantage d'ing\u00e9nierie pour g\u00e9rer le \u201cbruit\u201d de l'appareil.\u201d<\/li>\n<\/ul>\n\n\n\n

                          Pour la plupart des appareils \u00e9lectroniques modernes, des smartphones \u00e0 l'automatisation industrielle, les alimentations \u00e0 d\u00e9coupage dominent en raison de leur efficacit\u00e9 et de leur compacit\u00e9<\/strong>. Cependant, les alimentations lin\u00e9aires restent indispensables<\/strong> dans des cr\u00e9neaux o\u00f9 leur qualit\u00e9 de production sup\u00e9rieure justifie leurs inconv\u00e9nients.<\/p>\n\n\n\n

                          Choisissez le lin\u00e9aire pour les applications analogiques \u00e0 performances critiques. Choisissez la commutation pour pratiquement toutes les autres applications o\u00f9 la taille, l'efficacit\u00e9 et la flexibilit\u00e9 sont importantes.<\/strong><\/p>\n\n\n\n

                          <\/p>","protected":false},"excerpt":{"rendered":"

                          When selecting a power supply for your electronic project or product, one of the most fundamental choices you\u2019ll make is between a linear power supply and a switching…<\/p>","protected":false},"author":2,"featured_media":17562,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_elementor_edit_mode":"","_elementor_template_type":"","_elementor_data":"","_elementor_page_settings":null,"_elementor_conditions":[]},"categories":[1],"tags":[],"class_list":["post-17552","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"yoast_head":"\nWhat\u2019s the Difference Linear vs Switching Power Supply\uff1f - C2PSU<\/title>\n<meta name=\"description\" content=\"When selecting a power supply for your electronic project or product, one of the most fundamental choices you\u2019ll make is between a linear power supply and a switching power supply.\" \/>\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.c2psu.com\/fr\/quelle-est-la-difference-entre-une-alimentation-lineaire-et-une-alimentation-a-decoupage\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What\u2019s the Difference Linear vs Switching Power Supply\uff1f\" \/>\n<meta property=\"og:description\" content=\"When selecting a power supply for your electronic project or product, one of the most fundamental choices you\u2019ll make is between a linear power supply and a switching power supply.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.c2psu.com\/fr\/quelle-est-la-difference-entre-une-alimentation-lineaire-et-une-alimentation-a-decoupage\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"C2PSU\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-19T16:25:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-19T16:25:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.c2psu.com\/wp-content\/uploads\/Linear-Regulated-Power-Supply-Block-Diagram-1210x642-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1210\" \/>\n\t<meta property=\"og:image:height\" content=\"642\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"F, CHOCO\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"F, CHOCO\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.c2psu.com\/whats-the-difference-linear-vs-switching-power-supply%ef%bc%9f\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.c2psu.com\/whats-the-difference-linear-vs-switching-power-supply%ef%bc%9f\/\"},\"author\":{\"name\":\"F, CHOCO\",\"@id\":\"https:\/\/www.c2psu.com\/#\/schema\/person\/c64f08601719a1221d0fd37c08b44c6d\"},\"headline\":\"What\u2019s the Difference Linear vs Switching Power Supply\uff1f\",\"datePublished\":\"2026-01-19T16:25:41+00:00\",\"dateModified\":\"2026-01-19T16:25:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.c2psu.com\/whats-the-difference-linear-vs-switching-power-supply%ef%bc%9f\/\"},\"wordCount\":1141,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.c2psu.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.c2psu.com\/whats-the-difference-linear-vs-switching-power-supply%ef%bc%9f\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.c2psu.com\/wp-content\/uploads\/Linear-Regulated-Power-Supply-Block-Diagram-1210x642-1.jpg\",\"articleSection\":[\"Industry News\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.c2psu.com\/whats-the-difference-linear-vs-switching-power-supply%ef%bc%9f\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.c2psu.com\/whats-the-difference-linear-vs-switching-power-supply%ef%bc%9f\/\",\"url\":\"https:\/\/www.c2psu.com\/whats-the-difference-linear-vs-switching-power-supply%ef%bc%9f\/\",\"name\":\"What\u2019s the Difference Linear vs Switching Power Supply\uff1f - 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