{"id":228182,"date":"2013-10-09T22:00:00","date_gmt":"2013-10-09T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/driver-de-grille-de-mosfet-cote-haut-a-large-tension-dentree\/"},"modified":"2013-10-09T22:00:00","modified_gmt":"2013-10-09T22:00:00","slug":"driver-de-grille-de-mosfet-cote-haut-a-large-tension-dentree","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/driver-de-grille-de-mosfet-cote-haut-a-large-tension-dentree\/","title":{"rendered":"Driver de grille de MOSFET c\u00f4t\u00e9 haut, \u00e0 large tension d\u2019entr\u00e9e"},"content":{"rendered":"<p>Pouvant travailler avec une tension de commande de grille de 4 V &agrave; 15 V, ce composant est optimis&eacute; pour piloter des MOSFET de niveau logique et comprend un circuit de blocage qui, en cas de sous-tension, d&eacute;sactive le MOSFET externe. Le signal logique d&rsquo;entr&eacute;e, r&eacute;f&eacute;renc&eacute; &agrave; la masse, est &eacute;lev&eacute;, par un circuit interne, au niveau de la tension d&rsquo;alimentation de commande de grille c&ocirc;t&eacute; haut. Ce circuit peut fonctionner en continu jusqu&rsquo;&agrave; 95 V au-dessus du potentiel de la masse. Avec 6 V de commande sur la grille, il pr&eacute;sente un courant de cr&ecirc;te de 1,1 A, une imp&eacute;dance de 1,8 ohms au blocage et permet le contr&ocirc;le de plusieurs MOSFET en parall&egrave;le. Ces caract&eacute;ristiques le rendent bien adapt&eacute; &agrave; la commande de MOSFET dans les applications &agrave; fort courant. Ses temps rapides de mont&eacute;e de 10 ns et de descente de 7 ns en pr&eacute;sence d&rsquo;une charge de 1000 pF contribuent &agrave; minimiser les pertes de commutation.<br \/>\nCe driver est encapsul&eacute; en bo&icirc;tier MSOP de 8 broches, &agrave; performances thermiques renforc&eacute;es. La version de classe I fonctionne avec une temp&eacute;rature de jonction de -40 &deg;C &agrave; +125 &deg;C et la classe H s&rsquo;&eacute;tend de -40 &deg;C &agrave; +150 &deg;C. La version de classe MP est garantie de -55 &deg;C &agrave; +150 &deg;C, ce qui convient aux applications de l&rsquo;automobile, industrielles et militaires soumises &agrave; des temp&eacute;ratures ambiantes extr&ecirc;mes. <\/p>\n<\/p>\n<p><a title=\"www.linear.com\/product\/LTC4440A-5\" target=\"_blank\" href=\"http:\/\/www.linear.com\/product\/ltc4440A-5\" rel=\"noopener\">www.linear.com\/product\/LTC4440A-5<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linear Technology annonce le LTC4440A-5, un driver de grille de MOSFET canal N, c\u00f4t\u00e9 haut, \u00e0 fr\u00e9quence \u00e9lev\u00e9e, qui fonctionne sur une tension d\u2019entr\u00e9e pouvant atteindre 80 V et continue \u00e0 fonctionner en pr\u00e9sence de surtensions jusqu\u2019\u00e0 100 V. <\/p>\n","protected":false},"author":22,"featured_media":228183,"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-228182","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Driver de grille de MOSFET c\u00f4t\u00e9 haut, \u00e0 large tension d\u2019en...<\/title>\n<meta name=\"description\" content=\"Linear Technology annonce le LTC4440A-5, un driver de grille de MOSFET canal N, c\u00f4t\u00e9 haut, \u00e0 fr\u00e9quence \u00e9lev\u00e9e, qui fonctionne sur une tension...\" \/>\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\/228182\/\" 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