{"id":230048,"date":"2014-05-20T22:00:00","date_gmt":"2014-05-20T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateur-abaisseur-synchrone-17v-225mhz-generant-2a\/"},"modified":"2014-05-20T22:00:00","modified_gmt":"2014-05-20T22:00:00","slug":"regulateur-abaisseur-synchrone-17v-225mhz-generant-2a","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/regulateur-abaisseur-synchrone-17v-225mhz-generant-2a\/","title":{"rendered":"R\u00e9gulateur abaisseur, synchrone, 17V, 2,25MHz, g\u00e9n\u00e9rant 2A"},"content":{"rendered":"<p>Le LTC3624 commute &agrave; la fr&eacute;quence fixe de 1MHz, tandis que le LTC3624-2 commute &agrave; 2,25MHz. Leur architecture &agrave; mode courant et fr&eacute;quence fixe r&eacute;duit le bruit de commutation et permet une r&eacute;ponse tr&egrave;s rapide aux transitoires de ligne et de charge. Le LTC3624\/-2 fonctionne &agrave; partir d&rsquo;une gamme de tensions d&rsquo;entr&eacute;e, de 2,7V &agrave; 17V,&nbsp; de ce fait il convient aux applications aliment&eacute;es sur batterie d&rsquo;accumulateurs &agrave; un ou plusieurs &eacute;l&eacute;ments Li-ion, ainsi qu&rsquo;aux syst&egrave;mes aliment&eacute;s sur bus de tension interm&eacute;diaire de 12V. La combinaison de son bo&icirc;tier DFN, 3mm x 3mm, de sa fr&eacute;quence de commutation &eacute;lev&eacute;e et de petits condensateurs et inductances, de faible co&ucirc;t, assure une empreinte tr&egrave;s compacte.<\/p>\n<p>La dur&eacute;e de conduction minimale de 60ns du LTC3624\/-2 lui permet de r&eacute;aliser une conversion en mode abaisseur de 16V en entr&eacute;e en 2,5V, &agrave; une fr&eacute;quence de commutation de 2,25MHz (LTC3624-2) sans densit&eacute; variable d&rsquo;impulsions, ce qui r&eacute;duit la taille des composants externes et ainsi offre une solution en mode abaisseur, 2A, de haut rendement, tr&egrave;s compacte. Son courant de repos de 3,5&micro;A convient ainsi aux applications toujours sous tension n&eacute;cessitant une autonomie sur batterie maximum. Pour les applications requ&eacute;rant un niveau de bruit le plus bas possible, le LTC3624\/-2 peut &ecirc;tre configur&eacute; en mode densit&eacute; variable d&rsquo;impulsions ou continu forc&eacute;, ce qui r&eacute;duit le bruit et les interf&eacute;rences RF potentielles. Les caract&eacute;ristiques suppl&eacute;mentaires incluent un gestionnaire de la tension &eacute;tablie, une compensation interne et une protection thermique.<\/p>\n<p>Les LTC3624EDD et LTC3624EDD-2 sont disponibles en un bo&icirc;tier DFN-8, 3mm x 3mm. Le LTC3624IDD et le LTC3624IDD-2, versions de classe industrielle, sont garantis pour fonctionner avec une temp&eacute;rature de jonction de &#8211; 40&deg;C &agrave; 125&deg;C. <\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/ltc3624\" target=\"_blank\" title=\"www.linear.com\/product\/LTC3624\" rel=\"noopener\">www.linear.com\/product\/LTC3624<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le LTC3624 est un r\u00e9gulateur abaisseur, synchrone, de Linear Technology, pouvant accepter 17V en entr\u00e9e et fournir un courant continu de sortie jusqu&rsquo;\u00e0 2A, pour des tensions aussi basses que 0,6V. Le redressement synchrone permet d&rsquo;atteindre des rendements aussi \u00e9lev\u00e9s que 95%, le fonctionnement en Burst Mode requ\u00e9rant un courant de repos de seulement 3,5\u00b5A \u00e0 vide.<\/p>\n","protected":false},"author":22,"featured_media":230049,"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-230048","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>R\u00e9gulateur abaisseur, synchrone, 17V, 2,25MHz, g\u00e9n\u00e9rant 2A ...<\/title>\n<meta name=\"description\" content=\"Le LTC3624 est un r\u00e9gulateur abaisseur, synchrone, de Linear Technology, pouvant accepter 17V en entr\u00e9e et fournir un courant continu de sortie jusqu&#039;\u00e0...\" \/>\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\/230048\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9gulateur abaisseur, synchrone, 17V, 2,25MHz, g\u00e9n\u00e9rant 2A\" \/>\n<meta property=\"og:description\" content=\"Le LTC3624 est un r\u00e9gulateur abaisseur, synchrone, de Linear Technology, pouvant accepter 17V en entr\u00e9e et fournir un courant continu de sortie jusqu&#039;\u00e0 2A, pour des tensions aussi basses que 0,6V. Le redressement synchrone permet d&#039;atteindre des rendements aussi \u00e9lev\u00e9s que 95%, le fonctionnement en Burst Mode requ\u00e9rant un courant de repos de seulement 3,5\u00b5A \u00e0 vide.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/230048\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2014-05-20T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci4309_ltc3624.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1752\" \/>\n\t<meta property=\"og:image:height\" content=\"1250\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" 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