{"id":228306,"date":"2013-10-23T22:00:00","date_gmt":"2013-10-23T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateur-de-tension-integre-35-a-haut-rendement\/"},"modified":"2013-10-23T22:00:00","modified_gmt":"2013-10-23T22:00:00","slug":"regulateur-de-tension-integre-35-a-haut-rendement","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/regulateur-de-tension-integre-35-a-haut-rendement\/","title":{"rendered":"R\u00e9gulateur de tension int\u00e9gr\u00e9 35 A haut rendement"},"content":{"rendered":"<p>Ce r&eacute;gulateur peut fonctionner directement sous 12 V &agrave; une fr&eacute;quence de d&eacute;coupage &eacute;lev&eacute;e sans n&eacute;cessiter de dissipateur ou de ventilateur. Il permet la mesure diff&eacute;rentielle &agrave; distance, avec une tension Vref pr&eacute;cise &agrave; 0,5 % entre 0 &deg;C et 105 &deg;C, ce qui convient donc aux FPGA et circuits sp&eacute;cifiques ASIC &agrave; consommation &eacute;lev&eacute;e requ&eacute;rant une alimentation pr&eacute;cise &agrave; 1 % en DC ou 3 % en DC+AC. Il fournit sur sa sortie simple une tension Vout r&eacute;glable allant de 0.6 V &agrave; 86% de la tension d&rsquo;entr&eacute;e qui peut s&rsquo;&eacute;tendre de 1.5 &agrave; 21 V.<br \/>\nEn tant que membre de la famille SupIRBuck Gen3, ce circuit b&eacute;n&eacute;ficie d&rsquo;un modulateur propri&eacute;taire permettant un fonctionnement d&eacute;nu&eacute; de bruit et de gigue dans une gamme de fr&eacute;quence\/bande passante sup&eacute;rieure, de 300 &agrave; 1500 kHz. Cette caract&eacute;ristique assure une meilleure r&eacute;ponse aux r&eacute;gimes transitoires, moins de condensateurs en sortie et une surface de circuit int&eacute;gr&eacute; r&eacute;duite de 20 % par rapport aux autres solutions int&eacute;gr&eacute;es et de 60 % par rapport aux approches discr&egrave;tes.<br \/>\nLe brochage de ce composant est optimis&eacute; pour simplifier le placement des condensateurs by-pass. La limite de courant interne compens&eacute;e en temp&eacute;rature permet trois r&eacute;glages diff&eacute;rents afin de param&eacute;trer le syst&egrave;me sans avoir &agrave; ajouter des composants suppl&eacute;mentaires ou &agrave; refaire le layout.<br \/>\nCe r&eacute;gulateur est encapsul&eacute; en bo&icirc;tier PQFN de 5 x 7 mm. La conception de r&eacute;f&eacute;rence IRDC3846 bas&eacute; sur ce circuit est &eacute;galement propos&eacute;e, cal&eacute;e sur une tension d&rsquo;entr&eacute;e de 12 V pour 1.2 V 35 A en sortie &agrave; une fr&eacute;quence de d&eacute;coupage de 600 kHz. <\/p>\n<\/p>\n<p><a title=\"www.irf.com\" href=\"http:\/\/www.irf.com\/\" target=\"_blank\" rel=\"noopener\">www.irf.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>De proximit\u00e9 ou en point de charge POL, le r\u00e9gulateur de tension int\u00e9gr\u00e9 35 A IR3846 d\u2019International Rectifier est destin\u00e9 aux applications de puissance d\u2019entreprise \u00e0 encombrement r\u00e9duit telles que les serveurs, le stockage de donn\u00e9es et les \u00e9quipements t\u00e9l\u00e9coms et r\u00e9seaux n\u00e9cessitant une densit\u00e9 de puissance \u00e9lev\u00e9e. Il offre un rendement cr\u00eate sup\u00e9rieur \u00e0 97 %, et de 95 % \u00e0 35 A.<\/p>\n","protected":false},"author":22,"featured_media":228307,"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-228306","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>R\u00e9gulateur de tension int\u00e9gr\u00e9 35 A haut rendement ...<\/title>\n<meta name=\"description\" content=\"De proximit\u00e9 ou en point de charge POL, le r\u00e9gulateur de tension int\u00e9gr\u00e9 35 A IR3846 d\u2019International Rectifier est destin\u00e9 aux applications de...\" \/>\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\/228306\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9gulateur de tension int\u00e9gr\u00e9 35 A haut rendement\" \/>\n<meta property=\"og:description\" content=\"De proximit\u00e9 ou en point de charge POL, le r\u00e9gulateur de tension int\u00e9gr\u00e9 35 A IR3846 d\u2019International Rectifier est destin\u00e9 aux applications de puissance d\u2019entreprise \u00e0 encombrement r\u00e9duit telles que les serveurs, le stockage de donn\u00e9es et les \u00e9quipements t\u00e9l\u00e9coms et r\u00e9seaux n\u00e9cessitant une densit\u00e9 de puissance \u00e9lev\u00e9e. 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