{"id":167823,"date":"2017-07-03T23:05:50","date_gmt":"2017-07-03T23:05:50","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/des-convertisseurs-50-vcc-cc-pour-obtenir-des-amplificateurs-de-puissance-gan-sans-fil\/"},"modified":"2017-07-03T23:05:50","modified_gmt":"2017-07-03T23:05:50","slug":"des-convertisseurs-50-vcc-cc-pour-obtenir-des-amplificateurs-de-puissance-gan-sans-fil","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/des-convertisseurs-50-vcc-cc-pour-obtenir-des-amplificateurs-de-puissance-gan-sans-fil\/","title":{"rendered":"Des convertisseurs 50 Vcc-cc pour obtenir des amplificateurs de puissance GaN sans fil"},"content":{"rendered":"<p>Les s\u00e9ries&nbsp;<a href=\"https:\/\/www.artesyn.com\/power\/power-supplies\/websheet\/477\/ave450500-series\">AVE450<\/a>,&nbsp;<a href=\"https:\/\/www.artesyn.com\/power\/power-supplies\/websheet\/477\/ave450500-series\">AVE500<\/a>&nbsp;et&nbsp;<a href=\"https:\/\/www.artesyn.com\/power\/power-supplies\/websheet\/600\/adh700-series\">ADH700<\/a>&nbsp;reposent toutes sur une conception \u00e0 puissance volumique \u00e9lev\u00e9e et \u00e0 cadre ouvert dans un format demi-brique standard du march\u00e9, avec une plaque de fond thermique en aluminium facultative offrant d&rsquo;excellentes performances thermiques.<\/p>\n<ul>\n<li>La s\u00e9rie AVE450 offre un rendement type sup\u00e9rieur \u00e0 95&nbsp;% et peut fournir un courant de sortie allant jusqu&rsquo;\u00e0 10&nbsp;A.<\/li>\n<li>Les s\u00e9ries ADH700 et AVE500 offrent un rendement type sup\u00e9rieur \u00e0 94,8&nbsp;% et peut fournir un courant de sortie allant jusqu&rsquo;\u00e0 14&nbsp;A.<\/li>\n<\/ul>\n<p>Tous les mod\u00e8les peuvent fonctionner \u00e0 une temp\u00e9rature ambiante allant de moins 40 \u00e0 plus 85 degr\u00e9s Celsius, et peuvent continuer \u00e0 fonctionner \u00e0 pleine puissance jusqu&rsquo;\u00e0 une temp\u00e9rature de plaque de fond de 100 degr\u00e9s Celsius &#8211; le tout sans refroidissement \u00e0 air.<\/p>\n<p>Ces nouveaux mod\u00e8les de convertisseur 50&nbsp;V continu-continu offrent un plage de r\u00e9glage de sortie large comprise entre 25&nbsp;V et 57&nbsp;V. D&rsquo;autres fonctionnalit\u00e9s comprennent la commande \u00e0 distance, un faible niveau d&rsquo;ondulation et de bruit ainsi que des fonctionnalit\u00e9s de protection telles que le verrouillage en entr\u00e9e en sous tension, la protection contre les surintensit\u00e9s en sortie, la protection contre les surtensions en sortie et la protection contre la surchauffe.<\/p>\n<p>Les s\u00e9ries AVE450, AVE500 et ADH700S emploient une technologie de conversion utilisant une fr\u00e9quence de commutation fixe de 280&nbsp;kHz permettant de r\u00e9duire au maximum les exigences de filtrage IEM externe. L&rsquo;absence d&rsquo;exigences de charge minimale permet un gain de fiabilit\u00e9 et contribue \u00e0 un MTBF de 1,5 millions d&rsquo;heures (calcul\u00e9 selon Telcordia SR-332-2006).<\/p>\n<p><a href=\"http:\/\/www.artesyn.com\/legal\">www.artesyn.com\/legal<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Artesyn Embedded Technologies lance trois nouvelles s\u00e9ries de modules de convertisseur 50 volts continu-continu pour prendre en charge les d\u00e9ploiements de stations de base sans fil \u00e0 puissance \u00e9lev\u00e9e (BTS) et de t\u00eate radio distante (RRH), dont le nombre ne cesse de cro\u00eetre, en utilisant la technologie GaN et LDMOS \u00e0 haute tension, qui conf\u00e8re une meilleure puissance volumique et un plus grand rendement.<\/p>\n","protected":false},"author":9,"featured_media":167824,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-167823","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Des convertisseurs 50 Vcc-cc pour obtenir des amplificateurs de...<\/title>\n<meta name=\"description\" content=\"Artesyn Embedded Technologies lance trois nouvelles s\u00e9ries de modules de convertisseur 50 volts continu-continu pour prendre en charge les d\u00e9ploiements 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:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/167823\/\" \/>\n<meta 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