{"id":197168,"date":"2016-09-28T23:30:00","date_gmt":"2016-09-28T23:30:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateur-%c2%b5module-a-modes-sepic-et-inverseur-deux-sorties\/"},"modified":"2016-09-28T23:30:00","modified_gmt":"2016-09-28T23:30:00","slug":"regulateur-%c2%b5module-a-modes-sepic-et-inverseur-deux-sorties","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/regulateur-%c2%b5module-a-modes-sepic-et-inverseur-deux-sorties\/","title":{"rendered":"R\u00e9gulateur \u00b5Module \u00e0 modes SEPIC et inverseur, deux sorties"},"content":{"rendered":"<p>Le mode SEPIC (convertisseur \u00e0 inductance au primaire, sortie unipolaire) r\u00e9gule la tension de sortie alors que la tension d\u2019entr\u00e9e peut varier en \u00e9tant inf\u00e9rieure, \u00e9gale ou sup\u00e9rieure \u00e0 la valeur de la tension de sortie.<br \/>\nLe mode inverseur convertit une tension d\u2019entr\u00e9e positive en une tension de sortie n\u00e9gative.<\/p>\n<p>En tant que r\u00e9gulateur double, n\u2019importe qu\u2019elle sortie du module peut \u00eatre configur\u00e9e avec une combinaison de la configuration SEPIC et\/ou les fonctions de mode inverseur&nbsp;:<\/p>\n<ul>\n<li>Sortie 1&nbsp;: SEPIC, Sortie 2&nbsp;: mode inverseur<\/li>\n<li>Sortie 1 et Sortie 2&nbsp;: mode SEPIC<\/li>\n<li>Sortie 1 et Sortie 2&nbsp;: mode inverseur<\/li>\n<\/ul>\n<p>Afin de compl\u00e9ter la conception, seuls des condensateurs en entr\u00e9e et en sortie sont n\u00e9cessaires ainsi que quelques r\u00e9sistances, soit un total de sept composants en comparaison \u00e0 la trentaine&nbsp;de composants n\u00e9cessaires \u00e0 une mise en \u0153uvre similaire en composants discrets. La surface de PCB, pour une r\u00e9alisation utilisant ce r\u00e9gulateur est de seulement 250 mm<sup>2<\/sup>.<br \/>\nLes exemples d\u2019applications comprennent les syst\u00e8mes de test portables aliment\u00e9s sur batterie, les contr\u00f4leurs de moteur et les alimentations pour les amplificateurs op\u00e9rationnels des \u00e9quipements de l\u2019instrumentation.&nbsp;<\/p>\n<p>Acceptant une tension d\u2019entr\u00e9e de 2,6 V \u00e0 20 V, ce module assure chacune des deux tensions de sortie de \u00b12,5 V \u00e0 \u00b124 V. Le courant de sortie est de 1 A pour 12 V en entr\u00e9e et 5 V en sortie, et peut \u00eatre augment\u00e9 par une mise en parall\u00e8le de plusieurs composants. La fr\u00e9quence de fonctionnement, fix\u00e9e par une seule r\u00e9sistance externe, s\u2019\u00e9tend de 200 kHz \u00e0 2,5 MHz. En outre, elle peut \u00eatre synchronis\u00e9e \u00e0 une horloge externe dans la m\u00eame gamme de fr\u00e9quences.<\/p>\n<p>Encapsul\u00e9 dans un bo\u00eetier BGA \u00e0 77 billes, de 15 x 9 x 2,42 mm, ce r\u00e9gulateur fonctionne dans la gamme de temp\u00e9ratures de -40 \u00b0C \u00e0 125 \u00b0C.<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LTM8049\" target=\"_blank\" rel=\"noopener\">www.linear.com\/product\/LTM8049<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Propos\u00e9 dans un bo\u00eetier BGA de15 x 9 x 2,42 mm le, le r\u00e9gulateur DC\/DC \u00b5Module LTM8049  de Linear Technology, pr\u00e9sente deux sorties et deux fonctions, une en mode SEPIC et l\u2019autre en mode inverseur, chacune des sorties pouvant \u00eatre ind\u00e9pendamment configur\u00e9e dans l\u2019une ou l\u2019autre de ces deux fonctions.<\/p>\n","protected":false},"author":9,"featured_media":197169,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[909,890],"domains":[47],"ppma_author":[1141],"class_list":["post-197168","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-batteries-power-supplies-fr","tag-powermanagement-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>R\u00e9gulateur \u00b5Module \u00e0 modes SEPIC et inverseur, deux sorties ...<\/title>\n<meta name=\"description\" content=\"Propos\u00e9 dans un bo\u00eetier BGA de15 x 9 x 2,42 mm le, le r\u00e9gulateur DC\/DC \u00b5Module LTM8049  de Linear Technology, pr\u00e9sente deux sorties et deux fonctions,...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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