{"id":227986,"date":"2013-09-16T22:00:00","date_gmt":"2013-09-16T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseur-dc-dc-synchrone-15-v-classe-h\/"},"modified":"2013-09-16T22:00:00","modified_gmt":"2013-09-16T22:00:00","slug":"convertisseur-dc-dc-synchrone-15-v-classe-h","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-dc-dc-synchrone-15-v-classe-h\/","title":{"rendered":"Convertisseur DC\/DC synchrone 15 V, classe H"},"content":{"rendered":"

Ce convertisseur intègre des commutateurs de 2,5 A qui peuvent fournir des tensions de sortie aussi élevées que 15 V à partir d’une gamme de tensions d’entrée de 1,8 V au démarrage, ou de 0,5 V en fonctionnement, jusqu’à 5,5 V, ce qui convient pour les batteries chimiques diverses ou les sources d’alimentation standard 3,3V et 5V. Il peut délivrer un courant continu de sortie jusqu’à 800 mA à une tension de 12 V à partir de 5 V en entrée. Le fonctionnement en Burst Mode, sélectionnable par une broche, réduit le courant de repos à seulement 25 µA, ce qui conduit à une autonomie sur batterie accrue dans les applications portables. Le redressement synchrone permet un rendement élevé pouvant atteindre 95%. La combinaison du boîtier MSOP à performances thermiques renforcées et d’une fréquence de commutation fixe réglable jusqu’à 3 MHz permet au concepteur d’ajuster la taille du circuit imprimé au rendement requis.
\nCette version classe H est bien adaptée pour les applications de l’automobile, industrielles et militaires qui sont soumises à de fortes températures ambiantes. <\/p>\n<\/p>\n

www.linear.com\/product\/LTC3122<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Propos\u00e9 en bo\u00eetier MSOP 12 broches \u00e0 performances thermiques renforc\u00e9es, le LTC3122H de Linear Technology est la version de classe H, haute temp\u00e9rature, du convertisseur DC\/DC, \u00e9l\u00e9vateur, synchrone, 3 MHz, \u00e0 mode courant, avec commande de d\u00e9connexion de la sortie int\u00e9gr\u00e9e, des classes E et I. Il en reprend les caract\u00e9ristiques \u00e9lectriques mais est sp\u00e9cifi\u00e9e sur une gamme de temp\u00e9ratures de jonction de -40 \u00b0C \u00e0 +150 \u00b0C.<\/p>\n","protected":false},"author":22,"featured_media":227987,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-227986","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Convertisseur DC\/DC synchrone 15 V, classe H ...<\/title>\n<meta name=\"description\" content=\"Propos\u00e9 en bo\u00eetier MSOP 12 broches \u00e0 performances thermiques renforc\u00e9es, le LTC3122H de Linear Technology est la version de classe H, haute temp\u00e9rature,...\" \/>\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.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/227986\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseur DC\/DC synchrone 15 V, classe H\" \/>\n<meta property=\"og:description\" content=\"Propos\u00e9 en bo\u00eetier MSOP 12 broches \u00e0 performances thermiques renforc\u00e9es, le LTC3122H de Linear Technology est la version de classe H, haute temp\u00e9rature, du convertisseur DC\/DC, \u00e9l\u00e9vateur, synchrone, 3 MHz, \u00e0 mode courant, avec commande de d\u00e9connexion de la sortie int\u00e9gr\u00e9e, des classes E et I. 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