{"id":227586,"date":"2013-07-17T22:00:00","date_gmt":"2013-07-17T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseurs-dc-dc-durcis-aux-radiations\/"},"modified":"2013-07-17T22:00:00","modified_gmt":"2013-07-17T22:00:00","slug":"convertisseurs-dc-dc-durcis-aux-radiations","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/convertisseurs-dc-dc-durcis-aux-radiations\/","title":{"rendered":"Convertisseurs DC-DC durcis aux radiations"},"content":{"rendered":"<p>Les composants de la s&eacute;rie ML d&rsquo;IR assurent le s&eacute;quan&ccedil;age de sortie typiquement r&eacute;clam&eacute; par les circuits RF et la t&eacute;l&eacute;m&eacute;trie\/t&eacute;l&eacute;commande isol&eacute;e conforme aux syst&egrave;mes satellites, et ce sans n&eacute;cessiter de composants additionnels. Parmi les autres fonctions pr&eacute;pond&eacute;rantes int&eacute;gr&eacute;es figurent un filtre d&rsquo;entr&eacute;e contre les &eacute;missions &eacute;lectromagn&eacute;tiques conforme &agrave; la plupart des bus d&rsquo;alimentation de satellites, un durcissement contre les radiations de 100 Krad (TID) et 82 MeV&#8729;cm2\/mg (SEE), et une tension de sortie pr&eacute;cise &agrave; &plusmn;2 % dans le pire des cas (fin de vie). La plateforme offre &eacute;galement un tr&egrave;s faible bruit en sortie, inf&eacute;rieur &agrave; 0,5 Vrms (50 Hz &agrave; 50 MHz), une excellente r&eacute;jection CS entre entr&eacute;e et sortie de plus de 90 dB, et un blocage en cas de sous-tension de l&rsquo;entr&eacute;e ou UVLO (<em>under-voltage lock out<\/em>) avec verrouillage optionnel ou red&eacute;marrage automatique.<br \/>\nLa s&eacute;rie ML constitue un syst&egrave;me de mise en traitement de puissance &eacute;lectronique ou EPC (<em>electronic power conditioner<\/em>) pr&ecirc;t &agrave; l&#8217;emploi et &agrave; fonctionnalit&eacute; &eacute;lev&eacute;e. Exploitable sans ressources d&rsquo;ing&eacute;nierie suppl&eacute;mentaires, cette nouvelle plateforme r&eacute;duit de mani&egrave;re significative le co&ucirc;t total du programme et l&rsquo;effort de conception pour les fabricants de satellites.  <\/p>\n<p><a target=\"_blank\" href=\"http:\/\/www.irf.com\" title=\"www.irf.com\" rel=\"noopener\">www.irf.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>International Rectifier vient de lancer la famille ML de convertisseurs de puissance DC-DC \u00e0 sortie double, durcis aux radiations et destin\u00e9s aux \u00e9quipements de communication RF tels que les amplificateurs faible bruit (LNA), les r\u00e9cepteurs et les convertisseurs de fr\u00e9quence utilis\u00e9s \u00e0 bord des satellites.<\/p>\n","protected":false},"author":22,"featured_media":227587,"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-227586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseurs DC-DC durcis aux radiations ...<\/title>\n<meta name=\"description\" content=\"International Rectifier vient de lancer la famille ML de convertisseurs de puissance DC-DC \u00e0 sortie double, durcis aux radiations et destin\u00e9s aux...\" \/>\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\/227586\/\" \/>\n<meta property=\"og:locale\" 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