{"id":102864,"date":"2018-11-23T02:31:44","date_gmt":"2018-11-23T02:31:44","guid":{"rendered":"https:\/\/\/regulateur-a-decoupage-compact-5v-reduisant-la-chaleur-les-emi-et-lempreinte-pcb\/"},"modified":"2018-11-23T02:31:44","modified_gmt":"2018-11-23T02:31:44","slug":"regulateur-a-decoupage-compact-5v-reduisant-la-chaleur-les-emi-et-lempreinte-pcb","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/regulateur-a-decoupage-compact-5v-reduisant-la-chaleur-les-emi-et-lempreinte-pcb\/","title":{"rendered":"R\u00e9gulateur \u00e0 d\u00e9coupage compact 5V r\u00e9duisant la chaleur, les EMI et l\u2019empreinte PCB"},"content":{"rendered":"

Le LTC3310S utilise l\u2019architecture Silent Switcher2 qui int\u00e8gre des condensateurs dans la boucle perturbatrice pour r\u00e9aliser un rendement \u00e9lev\u00e9, une solution \u00e0 petite empreinte sur le PCB \u00e0 des fr\u00e9quences pouvant atteindre 5MHz avec des performances EMI excellentes. Le fonctionnement multiphase permet la mise en parall\u00e8le de plusieurs composants pour augmenter le courant. La plage de tension d\u2019entr\u00e9e du LTC3310S, de 2,25V \u00e0 5,5V, convient \u00e0 une grande vari\u00e9t\u00e9 d\u2019applications, comprenant la plupart des tensions de bus interm\u00e9diaires. Les MOSFET int\u00e9gr\u00e9s, \u00e0 faible r\u00e9sistance \u00e0 l\u2019\u00e9tat passant, g\u00e9n\u00e8rent un courant de charge continu \u00e9lev\u00e9 de 10A avec un derating thermique minimum. La plage des tensions de sortie, de 0,5V \u00e0 VIN, convient aux applications de point de charge comme les conceptions forte intensit\u00e9 \/ basse tension \u00e0 base de DSP\/FPGA\/GPU\/ASIC. Les autres applications importantes comprennent les r\u00e9seaux optiques, les t\u00e9l\u00e9communications\/la transmission de donn\u00e9es et syst\u00e8mes de l\u2019automobile, les architectures \u00e0 alimentations distribu\u00e9es et les syst\u00e8mes g\u00e9n\u00e9raux \u00e0 densit\u00e9 de puissance moyenne \u00e0 \u00e9lev\u00e9e.<\/p>\n

La dur\u00e9e de conduction minimale de 35ns du LTC3310S permet de r\u00e9aliser une alimentation \u00e0 taux de conversion \u00e9lev\u00e9 en mode abaisseur et \u00e0 haute fr\u00e9quence. Le fonctionnement avec un rapport cyclique de 100% permet un fonctionnement \u00e0 faible chute de tension. La fr\u00e9quence de fonctionnement peut \u00eatre synchronis\u00e9e sur une horloge externe. La pr\u00e9cision totale de la tension de r\u00e9f\u00e9rence du LTC3310S est de \u00b11%, pour un fonctionnement sur la plage de temp\u00e9rature de jonction de \u201340\u00b0C \u00e0 125\u00b0C. Les caract\u00e9ristiques suppl\u00e9mentaires comprennent un indicateur de tension r\u00e9gul\u00e9e quand la tension de sortie est en r\u00e9gulation, un seuil pr\u00e9cis pour la commande de d\u00e9marrage, une protection contre les surtensions en sortie, une protection thermique, un gestionnaire de la temp\u00e9rature de la puce, une synchronisation \u00e0 une horloge, une s\u00e9lection de mode et une protection contre les courts-circuits en sortie. <\/p>\n

www.analog.com\/LTC3310S<\/a><\/p>\n

Emetteurs-r\u00e9cepteurs pour cam\u00e9ras embarqu\u00e9es<\/a><\/h3>\n

Contr\u00f4leur abaisseur-\u00e9l\u00e9vateur, bidirectionnel, rendement 98%<\/a><\/h3>\n

Convertisseurs A\/N \u00b1 10 V et 0-20 mA haute pr\u00e9cision<\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"

Analog Devices annonce le Power by Linear LTC3310S, un convertisseur abaisseur, synchrone, monolithique, 5V, 10A, \u00e0 bas niveau d\u2019EMI. L\u2019architecture en mode cr\u00eate de courant et \u00e0 fr\u00e9quence fixe du composant est appropri\u00e9e aux applications \u00e0 taux de conversion \u00e9lev\u00e9 en mode abaisseur qui requi\u00e8rent une r\u00e9ponse rapide sur les signaux transitoires.<\/p>\n","protected":false},"author":9,"featured_media":102865,"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-102864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"R\u00e9gulateur \u00e0 d\u00e9coupage compact 5V r\u00e9duisant la chaleur, les...<\/title>\n<meta name=\"description\" content=\"Analog Devices annonce le Power by Linear LTC3310S, un convertisseur abaisseur, synchrone, monolithique, 5V, 10A, \u00e0 bas niveau d\u2019EMI. 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L\u2019architecture en mode cr\u00eate de courant et \u00e0 fr\u00e9quence fixe du composant est appropri\u00e9e aux applications \u00e0 taux de conversion \u00e9lev\u00e9 en mode abaisseur qui requi\u00e8rent une r\u00e9ponse rapide sur les signaux transitoires.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/102864\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2018-11-23T02:31:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci6717_analog_devices_ltc3310s-1024x1024.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" 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