{"id":229696,"date":"2014-04-07T22:00:00","date_gmt":"2014-04-07T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/driver-de-mosfet-pour-convertisseur-direct-synchrone\/"},"modified":"2014-04-07T22:00:00","modified_gmt":"2014-04-07T22:00:00","slug":"driver-de-mosfet-pour-convertisseur-direct-synchrone","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/driver-de-mosfet-pour-convertisseur-direct-synchrone\/","title":{"rendered":"Driver de MOSFET pour convertisseur direct synchrone"},"content":{"rendered":"<p>Son mode de pr&eacute;-activation unique &eacute;limine la n&eacute;cessit&eacute; du transfert d&rsquo;un signal par transformateur du primaire vers le secondaire en d&eacute;tectant les signaux au secondaire pour contr&ocirc;ler le redressement synchrone. Ce mode r&eacute;duit le nombre de composants et la taille de la solution.<br \/>\nFonctionnant sur une gamme de la tension d&rsquo;entr&eacute;e de 3,7 V &agrave; 30 V, ce driver est utilis&eacute; avec un circuit int&eacute;gr&eacute; au primaire, tel que le LT3752\/-1. Le convertisseur &agrave; conversion directe complet peut fonctionner avec des tensions d&rsquo;entr&eacute;e allant de 6,5 V jusqu&rsquo;&agrave; plus de 400 V, ce qui le rend appropri&eacute; pour une grande vari&eacute;t&eacute; d&rsquo;applications dont les demandes des v&eacute;hicules automobiles hybrides\/&eacute;lectriques.<br \/>\nDe plus, ce circuit associe un photocoupleur de 10 mA et un amplificateur d&rsquo;erreur dans la boucle de r&eacute;gulation pour permettre le retour de la tension de sortie du secondaire sur le primaire. Le syst&egrave;me entier fournit un contr&ocirc;le &agrave; mode de courant cr&ecirc;te qui r&eacute;alise une excellente r&eacute;gulation de ligne\/charge et une r&eacute;ponse rapide aux transitoires. Les caract&eacute;ristiques suppl&eacute;mentaires comprennent une r&eacute;f&eacute;rence de tension &agrave; 1,5%, un gestionnaire de tension &eacute;tablie et un d&eacute;marrage progressif de la tension de sortie.<br \/>\nCe driver est propos&eacute; en bo&icirc;tier TSSOP-20, avec plusieurs broches retir&eacute;es pour un espacement suppl&eacute;mentaire en cas de forte surtension. Les versions de classes E et I fonctionnent avec une temp&eacute;rature de jonction de -40 &deg;C &agrave; +125 &deg;C. La version de classe H est garantie pour fonctionner avec une temp&eacute;rature de jonction de -40 &deg;C &agrave; +150 &deg;C et celle de classe MP de -55 &deg;C &agrave; +150 &deg;C. <\/p>\n<\/p>\n<p><a title=\"www.linear.com\/product\/LT8311\" target=\"_blank\" href=\"http:\/\/www.linear.com\/product\/lt8311\" rel=\"noopener\">www.linear.com\/product\/LT8311<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>De haut rendement, le pilote de MOSFET au secondaire LT8311 de Linear Technology fonctionne sans transformateur d\u2019impulsions entre primaire et secondaire dans un convertisseur \u00e0 conversion directe, synchrone et isol\u00e9. <\/p>\n","protected":false},"author":22,"featured_media":229697,"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-229696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Driver de MOSFET pour convertisseur direct synchrone ...<\/title>\n<meta name=\"description\" content=\"De haut rendement, le pilote de MOSFET au secondaire LT8311 de Linear Technology fonctionne sans transformateur d\u2019impulsions entre primaire et secondaire...\" \/>\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\/229696\/\" \/>\n<meta property=\"og:locale\" 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