{"id":226260,"date":"2013-02-06T23:00:00","date_gmt":"2013-02-06T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseur-%c2%b5module-elevateur-ou-abaisseur-elevateur-pouvant-generer-700ma\/"},"modified":"2013-02-06T23:00:00","modified_gmt":"2013-02-06T23:00:00","slug":"convertisseur-%c2%b5module-elevateur-ou-abaisseur-elevateur-pouvant-generer-700ma","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-%c2%b5module-elevateur-ou-abaisseur-elevateur-pouvant-generer-700ma\/","title":{"rendered":"Convertisseur \u00b5Module \u00e9l\u00e9vateur ou abaisseur-\u00e9l\u00e9vateur, pouvant g\u00e9n\u00e9rer 700mA"},"content":{"rendered":"<p>Le LTM8045 est con&ccedil;u pour une r&eacute;gulation de point de charge dans les &eacute;quipements de t&eacute;l&eacute;communications, de l&rsquo;imagerie et de test portatifs. Dans la configuration SEPIC, la tension d&rsquo;entr&eacute;e du LTM8045 peut &ecirc;tre sup&eacute;rieure, inf&eacute;rieure ou &eacute;gale &agrave; la tension de sortie r&eacute;gul&eacute;e. Dans la configuration en inverseur &agrave; tension n&eacute;gative, aucun circuit de d&eacute;calage de niveau de tension n&rsquo;est requis par les broches de contr&ocirc;le de niveau de tension logique. Sous -5V, 500mA dans la charge, le LTM8045 atteint un rendement de 80%, &agrave; partir d&rsquo;une alimentation d&rsquo;entr&eacute;e positive de 12V. La fr&eacute;quence de fonctionnement, dans la gamme 200kHz &agrave; 2MHz, est r&eacute;glable via une r&eacute;sistance externe, et peut &ecirc;tre synchronis&eacute;e &agrave; une horloge externe dans la m&ecirc;me gamme de fr&eacute;quences. Encapsul&eacute;s dans un bo&icirc;tier BGA, 6,25mm x 11,25mm x 4,92mm, le LTM8045I est garanti de -40&deg;C &agrave; +125&deg;C et le LTM8045MP de -55&deg;C &agrave; +125&deg;C.&nbsp; Le LTM8045 est imm&eacute;diatement disponible en stock.<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LTM8045\" target=\"_blank\" title=\"www.linear.com\/product\/LTM8045\" rel=\"noopener\">www.linear.com\/product\/LTM8045<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linear Technology pr\u00e9sente le LTM8045, un convertisseur \u00b5Module DC\/DC, \u00e0 topologie multiple, 2,8V \u00e018Ven entr\u00e9e, avec inductance, commutateur de puissance et contr\u00f4leur DC\/DC abaisseur sur la carte, pouvant g\u00e9n\u00e9rer un courant de sortie jusqu&rsquo;\u00e0 700mA. Avec l&rsquo;adjonction de seulement deux r\u00e9sistances et de deux condensateurs, le LTM8045 peut \u00eatre configur\u00e9 pour r\u00e9guler soit une tension positive de sortie (architecture SEPIC), de 2,5V \u00e0 15V, ou une tension n\u00e9gative de sortie (architecture en inverseur) entre -2,5V et -15V.<\/p>\n","protected":false},"author":22,"featured_media":226261,"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-226260","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseur \u00b5Module \u00e9l\u00e9vateur ou abaisseur-\u00e9l\u00e9vateur, po...<\/title>\n<meta name=\"description\" content=\"Linear Technology pr\u00e9sente le LTM8045, un convertisseur \u00b5Module DC\/DC, \u00e0 topologie multiple, 2,8V \u00e018Ven entr\u00e9e, avec inductance, commutateur 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\/226260\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseur \u00b5Module \u00e9l\u00e9vateur ou abaisseur-\u00e9l\u00e9vateur, pouvant g\u00e9n\u00e9rer 700mA\" \/>\n<meta property=\"og:description\" content=\"Linear Technology pr\u00e9sente le LTM8045, un convertisseur \u00b5Module DC\/DC, \u00e0 topologie multiple, 2,8V \u00e018Ven entr\u00e9e, avec inductance, commutateur de puissance et contr\u00f4leur DC\/DC abaisseur sur la carte, pouvant g\u00e9n\u00e9rer un courant de sortie jusqu&#039;\u00e0 700mA. Avec l&#039;adjonction de seulement deux r\u00e9sistances et de deux condensateurs, le LTM8045 peut \u00eatre configur\u00e9 pour r\u00e9guler soit une tension positive de sortie (architecture SEPIC), de 2,5V \u00e0 15V, ou une tension n\u00e9gative de sortie (architecture en inverseur) entre -2,5V et -15V.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/226260\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2013-02-06T23:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci3673_linear_ltm8045.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1547\" \/>\n\t<meta property=\"og:image:height\" content=\"1105\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" 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