{"id":230720,"date":"2014-08-24T22:00:00","date_gmt":"2014-08-24T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/controleur-direct-synchrone-100-v-a-regulation-sans-photocoupleur\/"},"modified":"2014-08-24T22:00:00","modified_gmt":"2014-08-24T22:00:00","slug":"controleur-direct-synchrone-100-v-a-regulation-sans-photocoupleur","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/controleur-direct-synchrone-100-v-a-regulation-sans-photocoupleur\/","title":{"rendered":"Contr\u00f4leur direct synchrone 100 V, \u00e0 r\u00e9gulation sans photocoupleur"},"content":{"rendered":"<p>Une r&eacute;gulation de la tension de sortie Vout &agrave; &plusmn;8% peut &ecirc;tre atteinte, sans photocoupleur. Lorsqu&rsquo;un photocoupleur est utilis&eacute;, une r&eacute;gulation &agrave; &plusmn;1,5% peut &ecirc;tre r&eacute;alis&eacute;e. Une contrainte de niveau volt-seconde programmable offre une marge de s&eacute;curit&eacute; de tension lors de la r&eacute;initialisation du transformateur pour emp&ecirc;cher sa saturation et prot&eacute;ger le MOSFET. Cette fonction permet d&rsquo;optimiser le transformateur et le MOSFET pour r&eacute;duire la taille de la r&eacute;alisation.<br \/>\nCe contr&ocirc;leur calcule le rapport cyclique requis pour obtenir une tension de sortie VOUT constante dans les applications &agrave; boucle ouverte, ce qui simplifie la mise en &oelig;uvre. Dans les applications &agrave; boucle ferm&eacute;e, il limite Vout &agrave; son maximum si le photocoupleur est ouvert. Il fonctionne &agrave; une fr&eacute;quence de commutation programmable de 100 kHz &agrave; 500 kHz et peut &ecirc;tre synchronis&eacute; &agrave; une horloge externe, ce qui autorise l&rsquo;emploi d&rsquo;une large gamme d&rsquo;inductances de sortie et de tailles de transformateur.<br \/>\nSes caract&eacute;ristiques suppl&eacute;mentaires comprennent la protection programmable contre les surintensit&eacute;s, un blocage ajustable en cas de sous-tension et de surtension en entr&eacute;e et un arr&ecirc;t thermique int&eacute;gr&eacute;.<br \/>\nEncapsul&eacute; en bo&icirc;tier TSSOP-20, avec plusieurs broches supprim&eacute;es pour un espacement adapt&eacute; aux fortes tensions, ce composant est propos&eacute; en classes E et I pour un fonctionnent sur une gamme de temp&eacute;ratures de jonction de -40 &deg;C &agrave; 125 &deg;C. Les versions de classe H et MP sont garanties pour les gammes de temp&eacute;ratures de jonction respectives de -40 &deg;C &agrave; 150 &deg;C et de -55 &deg;C &agrave; 150 &deg;C. <\/p>\n<\/p>\n<p><a title=\"www.linear.com\/product\/LT8310\" target=\"_blank\" href=\"http:\/\/www.linear.com\/product\/lt8310\" rel=\"noopener\">www.linear.com\/product\/LT8310<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Con\u00e7u pour des niveaux de puissance jusqu\u2019\u00e0 200 W, le contr\u00f4leur \u00e0 conversion directe LT8310 de Linear Technology fonctionne sur une gamme de tensions d\u2019entr\u00e9e de 6 V \u00e0 100 V. Synchrone au primaire du transformateur, il procure un signal de contr\u00f4le pour le redressement synchrone au secondaire afin d\u2019am\u00e9liorer le rendement.<\/p>\n","protected":false},"author":22,"featured_media":230721,"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-230720","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Contr\u00f4leur direct synchrone 100 V, \u00e0 r\u00e9gulation sans photoco...<\/title>\n<meta name=\"description\" content=\"Con\u00e7u pour des niveaux de puissance jusqu\u2019\u00e0 200 W, le contr\u00f4leur \u00e0 conversion directe LT8310 de Linear Technology fonctionne sur une gamme de tensions...\" \/>\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\/230720\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contr\u00f4leur direct synchrone 100 V, \u00e0 r\u00e9gulation sans photocoupleur\" \/>\n<meta property=\"og:description\" content=\"Con\u00e7u pour des niveaux de puissance jusqu\u2019\u00e0 200 W, le contr\u00f4leur \u00e0 conversion directe LT8310 de Linear Technology fonctionne sur une gamme de tensions d\u2019entr\u00e9e de 6 V \u00e0 100 V. 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