{"id":223387,"date":"2012-01-15T23:00:00","date_gmt":"2012-01-15T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseur-dc-dc-abaisseur-36-v-en-entree-et-double-sortie-3-5-a\/"},"modified":"2012-01-15T23:00:00","modified_gmt":"2012-01-15T23:00:00","slug":"convertisseur-dc-dc-abaisseur-36-v-en-entree-et-double-sortie-3-5-a","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-dc-dc-abaisseur-36-v-en-entree-et-double-sortie-3-5-a\/","title":{"rendered":"Convertisseur DC\/DC, abaisseur, 36 V en entr\u00e9e et double sortie 3.5 A"},"content":{"rendered":"<p class=\"MsoBodyText\">Ce convertisseur fonctionne sur une gamme de tensions d&rsquo;entr&eacute;e de 3 V &agrave; 36 V, avec une protection contre les surtensions jusqu&rsquo;&agrave; 60 V, ce qui le rend bien adapt&eacute; aux conditions de rupture de charge et de d&eacute;marrage &agrave; froid que l&rsquo;on rencontre dans les applications de l&rsquo;automobile. Des broches ind&eacute;pendantes d&rsquo;entr&eacute;e, d&rsquo;arr&ecirc;t, de boucle de r&eacute;gulation, de d&eacute;marrage progressif, de limite de courant et de comparateur, pour chacun des canaux, simplifient les demandes complexes quant au suivi&nbsp;et s&eacute;quen&ccedil;age de la tension des alimentations. La fr&eacute;quence de commutation est programmable par l&rsquo;utilisateur, de 250kHz &agrave; 2,25MHz, permettant au concepteur d&rsquo;optimiser le rendement tout en &eacute;vitant les bandes de fr&eacute;quences critiques, sensibles au bruit.<br \/>\nLes versions de classe H fonctionnent avec une temp&eacute;rature de jonction maximum de 150 &deg;C, alors que la temp&eacute;rature max. de jonction des versions de classes E et I est de 125 &deg;C. Toutes les sp&eacute;cifications &eacute;lectriques sont identiques pour les classes E, I et H. Les composants de classe H sont test&eacute;s et garantis pour fonctionner avec une temp&eacute;rature de jonction maximale de 150 &deg;C et sont d&eacute;di&eacute;s aux applications de l&rsquo;automobile et de l&rsquo;industrie qui sont soumises &agrave; de fortes temp&eacute;ratures ambiantes.<br \/>\nLe LT3692AHUH est pr&eacute;sent&eacute; en un bo&icirc;tier QFN 32 broches de 5 x 5 mm. Le LT3692AHFE est encapsul&eacute; dans un bo&icirc;tier TSSOP-38, &agrave; performances thermiques renforc&eacute;es, et est conforme &agrave; la proc&eacute;dure FMEA&nbsp;(Failure Modes and Effects Analysis).<\/p>\n<p style=\"margin-left:0cm\" class=\"MsoNormal\"><a target=\"_blank\" href=\"http:\/\/www.linear.com\/product\/LT3692A\" rel=\"noopener\">www.linear.com\/product\/LT3692A<\/a><span style=\"font-size:12.0pt;line-height:150%\"><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linear Technology annonce la version de classe H du LT3692A, un r\u00e9gulateur \u00e0 d\u00e9coupage, abaisseur, monolithique, \u00e0 sortie double, pouvant fournir un courant continu en sortie jusqu\u2019\u00e0 3,5 A sur chaque canal.<\/p>\n","protected":false},"author":22,"featured_media":223388,"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-223387","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseur DC\/DC, abaisseur, 36 V en entr\u00e9e et double sorti...<\/title>\n<meta name=\"description\" content=\"Linear Technology annonce la version de classe H du LT3692A, un r\u00e9gulateur \u00e0 d\u00e9coupage, abaisseur, monolithique, \u00e0 sortie double, pouvant fournir un...\" \/>\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\/223387\/\" \/>\n<meta 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