{"id":231676,"date":"2014-12-04T23:00:00","date_gmt":"2014-12-04T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/controleur-abaisseur-elevateur-synchrone-60-v\/"},"modified":"2014-12-04T23:00:00","modified_gmt":"2014-12-04T23:00:00","slug":"controleur-abaisseur-elevateur-synchrone-60-v","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/controleur-abaisseur-elevateur-synchrone-60-v\/","title":{"rendered":"Contr\u00f4leur abaisseur-\u00e9l\u00e9vateur synchrone, 60 V"},"content":{"rendered":"<p>Le contr&ocirc;leur abaisseur-&eacute;l&eacute;vateur interne &agrave; quatre commutateurs fonctionne avec des tensions d&rsquo;entr&eacute;e sup&eacute;rieures, inf&eacute;rieures ou &eacute;gales &agrave; la tension de sortie, ce qui convient pour les applications comme celles de l&rsquo;automobile o&ugrave; la tension d&rsquo;entr&eacute;e peut varier beaucoup au moment des mises en Marche\/Arr&ecirc;t, dans les conditions de d&eacute;marrage &agrave; froid et de rupture de charge. Le passage entre les modes de fonctionnement abaisseur, direct et &eacute;l&eacute;vateur est sans rupture, ce qui assure une bonne r&eacute;gulation de la tension de sortie, m&ecirc;me avec de fortes variations de la tension d&rsquo;alimentation. La conception unique du circuit utilise trois boucles de contr&ocirc;le pour assurer la gestion du courant d&rsquo;entr&eacute;e, du courant de sortie et de la tension de sortie afin d&rsquo;avoir un fonctionnement et une fiabilit&eacute; optimaux.<br \/>\nUtilisant quatre commutateurs MOSFET externes, ce r&eacute;gulateur peut fournir, en continu, une puissance de sortie de 250 W avec des rendements jusqu&rsquo;&agrave; 98,5%. La pr&eacute;cision du courant de sortie de &plusmn;6% assure une r&eacute;gulation pr&eacute;cise de l&rsquo;intensit&eacute;, alors que la pr&eacute;cision de &plusmn;2% de la tension de sortie est particuli&egrave;rement bien appropri&eacute;e aux applications &agrave; chargeur. Plusieurs circuits peuvent &ecirc;tre facilement mis en parall&egrave;le en cas de demandes de puissance plus forte. De plus, sa fr&eacute;quence de commutation peut &ecirc;tre programm&eacute;e entre 200 kHz et 700 kHz ou synchronis&eacute;e &agrave; une horloge externe. Les caract&eacute;ristiques suppl&eacute;mentaires comprennent la d&eacute;connexion de la sortie, les gestionnaires des intensit&eacute;s d&rsquo;entr&eacute;e et de sortie, la fin de charge &agrave; C\/10 et une protection int&eacute;gr&eacute;e en cas de dysfonctionnement.<br \/>\nEncapsul&eacute; en bo&icirc;tier TSSOP de 38 broches &agrave; performances thermiques renforc&eacute;es, ce contr&ocirc;leur est propos&eacute; en version standard indice E, en version de classe I garantie sur la gamme de temp&eacute;rature industrielle de -40 &deg;C &agrave; +125 &deg;C, en version haute temp&eacute;rature de classe H couvrant la gamme de -55 &deg;C &agrave; +150 &deg;C et en classe MP de -65 &deg;C &agrave; +150 &deg;C.<\/p>\n<\/p>\n<p><a title=\"www.linear.com\/product\/LT3790\" target=\"_blank\" href=\"http:\/\/www.linear.com\/product\/LT3790\" rel=\"noopener\">www.linear.com\/product\/LT3790<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A partir d\u2019un seul circuit int\u00e9gr\u00e9, le contr\u00f4leur DC\/DC abaisseur-\u00e9l\u00e9vateur synchrone LT3790 de Linear Technology peut g\u00e9n\u00e9rer une puissance de 250 W. Sa gamme de tensions d\u2019entr\u00e9e de 4,7 V \u00e0 60 V convient aux applications de l\u2019automobile et de l\u2019industrie et sa tension de sortie r\u00e9glable entre 0 et 60 V lui permet d\u2019\u00eatre utilis\u00e9 en tant que r\u00e9gulateur de tension ou chargeur de batteries ou de supercondensateurs. <\/p>\n","protected":false},"author":22,"featured_media":231677,"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-231676","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Contr\u00f4leur abaisseur-\u00e9l\u00e9vateur synchrone, 60 V ...<\/title>\n<meta name=\"description\" content=\"A partir d\u2019un seul circuit int\u00e9gr\u00e9, le contr\u00f4leur DC\/DC abaisseur-\u00e9l\u00e9vateur synchrone LT3790 de Linear Technology peut g\u00e9n\u00e9rer une puissance de 250...\" \/>\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\/231676\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contr\u00f4leur abaisseur-\u00e9l\u00e9vateur synchrone, 60 V\" \/>\n<meta property=\"og:description\" content=\"A partir d\u2019un seul circuit int\u00e9gr\u00e9, le contr\u00f4leur DC\/DC abaisseur-\u00e9l\u00e9vateur synchrone LT3790 de Linear Technology peut g\u00e9n\u00e9rer une puissance de 250 W. Sa gamme de tensions d\u2019entr\u00e9e de 4,7 V \u00e0 60 V convient aux applications de l\u2019automobile et de l\u2019industrie et sa tension de sortie r\u00e9glable entre 0 et 60 V lui permet d\u2019\u00eatre utilis\u00e9 en tant que r\u00e9gulateur de tension ou chargeur de batteries ou de supercondensateurs.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/231676\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2014-12-04T23:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci7064_linear_lt3790.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1618\" \/>\n\t<meta property=\"og:image:height\" content=\"1156\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" 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