{"id":226592,"date":"2013-03-13T23:00:00","date_gmt":"2013-03-13T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateurs-de-tension-ldo-compacts-a-hautes-performances\/"},"modified":"2013-03-13T23:00:00","modified_gmt":"2013-03-13T23:00:00","slug":"regulateurs-de-tension-ldo-compacts-a-hautes-performances","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/regulateurs-de-tension-ldo-compacts-a-hautes-performances\/","title":{"rendered":"R\u00e9gulateurs de tension LDO compacts \u00e0 hautes performances"},"content":{"rendered":"

Aujourd’hui, de nombreux systèmes électroniques doivent fonctionner dans des environnements présentant des niveaux élevés de bruit électrique et magnétique. Le bruit est généré par la présence de tensions transitoires de commutation et de signaux RF venant se superposer au signal des lignes d’alimentation. Les applications du type disjoncteurs différentiels à courant résiduel (DDR) ou détecteurs d’arc électrique (AFDD), les appareils sans fil, les systèmes électroniques du marché des pièces détachées de l’automobile et les appareils médicaux sont sensibles à ce bruit d’alimentation.
\nDotés d’un taux de réjection de l’alimentation (PSRR) de 70 dB à 1 kHz, qui filtre le bruit en entrée et produit des tensions de sortie significativement moins perturbées, ces régulateurs LDO sont particulièrement bien adaptés pour les applications sensibles au bruit. Ils admettent une large plage de tensions d’entrée allant de 3,6 V à 16 V et délivrent un courant de sortie de 300 mA à des tensions de sortie de 1,8 à 5,5 V, tout en ne consommant typiquement que 68 µA de courant à l’état actif. En outre, ils sont dotés d’une broche de désactivation qui permet une consommation typique inférieure à 0,1 µA en mode désactivé, ce qui permet d’augmenter la durée de vie des batteries.
\nLe MCP1755S est disponible en boîtier SOT223 à 3 broches et DFN 2 x 3 mm à 8 broches, tandis que le MCP1755 existe en boîtier SOT223 et SOT23 à 5 broches, ainsi qu’en DFN 2 x 3 mm à 8 broches. <\/p>\n<\/p>\n

www.microchip.com\/get\/LMUT<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

De faible tension de d\u00e9chet (LDO) et en technologie CMOS, les r\u00e9gulateurs de tension de la famille des MCP1755 et MCP1755S de Microchip affichent de hautes performances ainsi qu\u2019une tension d\u2019entr\u00e9e et un courant de sortie \u00e9lev\u00e9s. Pour \u00e9conomiser de l\u2019espace, ces LDO se pr\u00e9sentent en bo\u00eetiers SOT et DFN de 2 x 3 mm. Gr\u00e2ce \u00e0 ces caract\u00e9ristiques, les d\u00e9veloppeurs b\u00e9n\u00e9ficient d\u2019une grande flexibilit\u00e9 pour un tr\u00e8s vaste choix d\u2019applications, allant du m\u00e9dical aux appareils portables en passant par les contr\u00f4leurs d\u2019\u00e9clairage par LED.<\/p>\n","protected":false},"author":22,"featured_media":226593,"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-226592","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"R\u00e9gulateurs de tension LDO compacts \u00e0 hautes performances ...<\/title>\n<meta name=\"description\" content=\"De faible tension de d\u00e9chet (LDO) et en technologie CMOS, les r\u00e9gulateurs de tension de la famille des MCP1755 et MCP1755S de Microchip affichent de hautes...\" \/>\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\/226592\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9gulateurs de tension LDO compacts \u00e0 hautes performances\" \/>\n<meta property=\"og:description\" content=\"De faible tension de d\u00e9chet (LDO) et en technologie CMOS, les r\u00e9gulateurs de tension de la famille des MCP1755 et MCP1755S de Microchip affichent de hautes performances ainsi qu\u2019une tension d\u2019entr\u00e9e et un courant de sortie \u00e9lev\u00e9s. Pour \u00e9conomiser de l\u2019espace, ces LDO se pr\u00e9sentent en bo\u00eetiers SOT et DFN de 2 x 3 mm. Gr\u00e2ce \u00e0 ces caract\u00e9ristiques, les d\u00e9veloppeurs b\u00e9n\u00e9ficient d\u2019une grande flexibilit\u00e9 pour un tr\u00e8s vaste choix d\u2019applications, allant du m\u00e9dical aux appareils portables en passant par les contr\u00f4leurs d\u2019\u00e9clairage par LED.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/226592\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2013-03-13T23:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6384_microchip_mc1142-mcp1755_lo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2100\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\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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