{"id":232712,"date":"2015-03-31T22:00:00","date_gmt":"2015-03-31T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/controleur-a-recuperation-denergie-100-v-en-classe-mp\/"},"modified":"2015-03-31T22:00:00","modified_gmt":"2015-03-31T22:00:00","slug":"controleur-a-recuperation-denergie-100-v-en-classe-mp","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/controleur-a-recuperation-denergie-100-v-en-classe-mp\/","title":{"rendered":"Contr\u00f4leur \u00e0 r\u00e9cup\u00e9ration d&rsquo;\u00e9nergie 100 V en classe MP"},"content":{"rendered":"<p>Ce composant simplifie la conception d&rsquo;un convertisseur DC\/DC isol&eacute;, car il ne n&eacute;cessite pas de photocoupleur, ni d&rsquo;un troisi&egrave;me enroulement, ni d&rsquo;un transformateur d&rsquo;isolement dans la boucle de r&eacute;gulation, puisque la d&eacute;tection de la tension de sortie s&rsquo;effectue sur l&rsquo;enroulement primaire.<br \/>\nA partir d&rsquo;une tension d&rsquo;entr&eacute;e comprise entre 5 V et 100 V, il pilote un MOSFET canal N de puissance externe, ce qui convient &agrave; une grande vari&eacute;t&eacute; d&rsquo;applications de l&rsquo;automobile, de l&rsquo;industrie, des t&eacute;l&eacute;communications et de transmissions de donn&eacute;es ainsi que militaires.<br \/>\nLe mode de conduction critique (Boundary Mode), un contr&ocirc;le en mode courant &agrave; d&eacute;coupage, assure une r&eacute;gulation typique de &plusmn; 5%, en fonction de la ligne, de la charge et de la gamme de temp&eacute;ratures. Il permet aussi l&rsquo;emploi d&rsquo;un transformateur plus petit que ceux employ&eacute;s dans les applications &agrave; mode de conduction continue &eacute;quivalentes. La tension de sortie est facilement fix&eacute;e &agrave; l&rsquo;aide de deux r&eacute;sistances externes et du rapport du transformateur. Le haut degr&eacute; d&rsquo;int&eacute;gration et le fonctionnement en mode Boundary conduisent &agrave; un produit d&rsquo;application simple et propre, r&eacute;pondant aux probl&egrave;mes traditionnels des alimentations isol&eacute;es.<br \/>\nLes autres caract&eacute;ristiques incluent un r&eacute;gulateur faible chute de tension LDO sur la carte pour l&rsquo;alimentation du circuit int&eacute;gr&eacute;, un d&eacute;marrage progressif programmable, un arr&ecirc;t en cas de sous-tension, un r&eacute;glage de la limite de l&rsquo;intensit&eacute; et une compensation de la tension de sortie en fonction de la temp&eacute;rature. <\/p>\n<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/lt3748\" target=\"_blank\" title=\"www.linear.com\/product\/LT3748\" rel=\"noopener\">www.linear.com\/product\/LT3748<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Acceptant une forte tension d\u2019entr\u00e9e, le contr\u00f4leur DC\/DC isol\u00e9 \u00e0 r\u00e9cup\u00e9ration d&rsquo;\u00e9nergie LT3748 de Linear Technology est d\u00e9sormais propos\u00e9 en classe MP. Encapsul\u00e9 dans un bo\u00eetier MSOP-16, dont quatre broches ont \u00e9t\u00e9 supprim\u00e9es pour un espacement haute tension suppl\u00e9mentaire, il fonctionne sur la gamme de temp\u00e9ratures de jonction de -55 \u00b0C \u00e0 +150 \u00b0C.<\/p>\n","protected":false},"author":22,"featured_media":232713,"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-232712","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Contr\u00f4leur \u00e0 r\u00e9cup\u00e9ration d&#039;\u00e9nergie 100 V en classe MP ...<\/title>\n<meta name=\"description\" content=\"Acceptant une forte tension d\u2019entr\u00e9e, le contr\u00f4leur DC\/DC isol\u00e9 \u00e0 r\u00e9cup\u00e9ration d&#039;\u00e9nergie LT3748 de Linear Technology est d\u00e9sormais propos\u00e9 en...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/232712\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contr\u00f4leur \u00e0 r\u00e9cup\u00e9ration d&#039;\u00e9nergie 100 V en classe MP\" \/>\n<meta property=\"og:description\" content=\"Acceptant une forte tension d\u2019entr\u00e9e, le contr\u00f4leur DC\/DC isol\u00e9 \u00e0 r\u00e9cup\u00e9ration d&#039;\u00e9nergie LT3748 de Linear Technology est d\u00e9sormais propos\u00e9 en classe MP. 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