{"id":417994,"date":"2023-04-01T16:10:59","date_gmt":"2023-04-01T14:10:59","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=417994"},"modified":"2023-04-01T16:24:40","modified_gmt":"2023-04-01T14:24:40","slug":"regulateur-%c2%b5module-a-tres-faible-bruit-et-taux-de-rejection-dalimentation-tres-eleve","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/regulateur-%c2%b5module-a-tres-faible-bruit-et-taux-de-rejection-dalimentation-tres-eleve\/","title":{"rendered":"R\u00e9gulateur \u00b5Module \u00e0 tr\u00e8s faible bruit et taux de r\u00e9jection d\u2019alimentation tr\u00e8s \u00e9lev\u00e9"},"content":{"rendered":"<h2>Analog Devices annonce sous la r\u00e9f\u00e9rence LTM8080 un nouveau r\u00e9gulateur \u03bcModule continu\/continu double sortie \u00e0 tr\u00e8s faible bruit qui b\u00e9n\u00e9ficie d\u2019innovations brevet\u00e9es en mati\u00e8re de silicium, de topologie et de conditionnement<\/h2>\n<p>Fonctionnant sous une tension d\u2019entr\u00e9e pouvant atteindre 40\u2009V, le frontal du LTM8080 est un r\u00e9gulateur abaisseur synchrone <a href=\"https:\/\/www.analog.com\/en\/products\/landing-pages\/001\/silent-switcher.html?ADICID=PRLS_EMEA_P328165_LTM8080\">Silent\u2009Switcher<\/a> haut\u00a0rendement, suivi de deux r\u00e9gulateurs\u00a0ind\u00e9pendants\u00a0\u00e0 faible bruit et faible\u00a0tension de d\u00e9chet\u00a0(LDO). Pour supprimer davantage\u00a0encore\u00a0le bruit de\u00a0d\u00e9coupage, le bo\u00eetier du\u00a0r\u00e9gulateur\u00a0LTM8080 int\u00e8gre un\u00a0blindage\u00a0contre les interf\u00e9rences \u00e9lectromagn\u00e9tiques\u00a0(EMI), ce qui assure\u00a0des\u00a0valeurs\u00a0exceptionnellement basses, \u00e0 savoir\u00a0un niveau de bruit\u00a0inf\u00e9rieur \u00e0\u00a01\u2009\u00b5V<sub>eff<\/sub>\u00a0entre\u00a010\u2009Hz\u00a0et\u00a0100\u2009kHz,\u00a0et\u00a0un bruit en bande \u00e9troite (spot noise)\u00a0de\u00a02\u2009nV\/\u221aHz\u00a0\u00e0\u00a010\u2009kHz\u00a0pour un taux de r\u00e9jection d\u2019alimentation (PSRR) de\u00a080\u2009dB\u00a0\u00e0\u00a0100\u2009kHz.\u00a0<\/p>\n<p>Par rapport aux solutions discr\u00e8tes non blind\u00e9es contre les interf\u00e9rences \u00e9lectromagn\u00e9tiques, le LTM8080 r\u00e9duit la tension d\u2019ondulation en sortie jusqu\u2019\u00e0 70\u2009% dans un design simplifi\u00e9 et silencieux. Il est sp\u00e9cialement con\u00e7u pour alimenter les charges num\u00e9riques sujettes au bruit du r\u00e9gulateur \u00e0 d\u00e9coupage, telles que les convertisseurs de donn\u00e9es, les \u00e9metteurs RF, les entr\u00e9es\/sorties et les horloges FPGA, les amplificateurs op\u00e9rationnels, les \u00e9metteurs-r\u00e9cepteurs et autres scanners m\u00e9dicaux.<\/p>\n<p><a href=\"http:\/\/www.analog.com\/\">www.analog.com<\/a><\/p>\n<p><a href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMJbcwQswuPfYAw?hl=fr&amp;gl=BE&amp;ceid=BE:fr\">Suivre ECInews sur Google news<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analog Devices annonce sous la r\u00e9f\u00e9rence LTM8080 un nouveau r\u00e9gulateur \u03bcModule continu\/continu double sortie \u00e0 tr\u00e8s faible bruit qui b\u00e9n\u00e9ficie d\u2019innovations brevet\u00e9es en mati\u00e8re de silicium, de topologie et de conditionnement Fonctionnant sous une tension d\u2019entr\u00e9e pouvant atteindre 40\u2009V, le frontal du LTM8080 est un r\u00e9gulateur abaisseur synchrone Silent\u2009Switcher haut\u00a0rendement, suivi de deux r\u00e9gulateurs\u00a0ind\u00e9pendants\u00a0\u00e0 faible [&hellip;]<\/p>\n","protected":false},"author":36,"featured_media":417995,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[1077,936],"domains":[47],"ppma_author":[1154],"class_list":["post-417994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-alimentations","tag-circuits-integres","domains-electronique-eci"],"acf":[],"yoast_head":"<title>R\u00e9gulateur \u00b5Module \u00e0 tr\u00e8s faible bruit et taux de r\u00e9jectio...<\/title>\n<meta name=\"description\" content=\"Analog Devices annonce sous la r\u00e9f\u00e9rence LTM8080 un nouveau r\u00e9gulateur \u03bcModule continu\/continu double sortie \u00e0 tr\u00e8s faible 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