{"id":218484,"date":"2016-03-10T23:00:02","date_gmt":"2016-03-10T23:00:02","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/un-regulateur-%c2%b5module-simple-50-a-ou-double-25-a-avec-radiateur-integre\/"},"modified":"2016-03-10T23:00:02","modified_gmt":"2016-03-10T23:00:02","slug":"un-regulateur-%c2%b5module-simple-50-a-ou-double-25-a-avec-radiateur-integre","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/un-regulateur-%c2%b5module-simple-50-a-ou-double-25-a-avec-radiateur-integre\/","title":{"rendered":"Un r\u00e9gulateur \u00b5Module, simple 50 A ou double 25 A, avec radiateur int\u00e9gr\u00e9"},"content":{"rendered":"<p>Con\u00e7u pour fonctionner de -40 \u00b0C \u00e0 +125 \u00b0C, ce composant est pr\u00e9sent\u00e9 dans un bo\u00eetier BGA de 16 x 16 x 5,01 mm avec un radiateur int\u00e9gr\u00e9. Ce dernier, relatif aux MOSFET et aux inductances, transporte rapidement la chaleur de l\u2019int\u00e9rieur vers la surface sup\u00e9rieure en contact avec&nbsp;l\u2019air. La dissipation thermique est encore am\u00e9lior\u00e9e avec un courant d\u2019air et un radiateur externe accol\u00e9. Sans radiateur externe, le r\u00e9gulateur g\u00e9n\u00e8re 50 A, pour 12 V en entr\u00e9e et 0,9 V en sortie, dans une temp\u00e9rature ambiante jusqu\u2019\u00e0 71 \u00b0C avec un courant d\u2019air de d\u00e9bit de 200 LFM, ou jusqu\u2019\u00e0 77 \u00b0C pour un d\u00e9bit de 400 LFM.<\/p>\n<p>L\u2019architecture de pr\u00e9cision en mode courant autorise le partage multi-phase de plusieurs composants qui peuvent fournir jusqu\u2019\u00e0 300 A \u00e0 des charges telles que des ASIC, FPGA et microcontr\u00f4leurs. Le rendement de la conversion DC\/DC est am\u00e9lior\u00e9 en utilisant un r\u00e9gulateur DC\/DC de la gamme avec des contr\u00f4leurs de grille de puissance et des MOSFET \u00e0 faibles pertes. G\u00e9n\u00e9rant 50 A, le rendement de 92% est atteint pour 12 V en entr\u00e9e, 1,8 V en sortie, et est de 86% pour 12 V en entr\u00e9e et 1,0 V en sortie.<\/p>\n<p>Avec un amplificateur diff\u00e9rentiel de mesure d\u00e9port\u00e9e, pour compenser la chute de tension dans les pistes du circuit imprim\u00e9, ce \u00b5Module garantit une pr\u00e9cision totale, en continu, de \u00b11,5% max. sur la tension de sortie, en fonction de la ligne, la charge et la temp\u00e9rature.<\/p>\n<p>&nbsp;<a href=\"http:\/\/www.linear.com\/product\/LTM4650\" target=\"_blank\" rel=\"noopener\">www.linear.com\/product\/LTM4650<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans un petit bo\u00eetier en plastique \u00e0 performances thermiques renforc\u00e9es, le r\u00e9gulateur \u00b5Module abaisseur LMT4650 de  Linear Technology int\u00e8gre des inductances blind\u00e9es sur la carte, les MOSFET et un double r\u00e9gulateur DC\/DC fournissant une sortie simple de 50 A ou double de 25 A. A partir d\u2019une tension d\u2019entr\u00e9e de 4.5 V \u00e0 15 V, il peut d\u00e9livrer une tension de sortie de 0.6 V \u00e0 1.8 V.<\/p>\n","protected":false},"author":9,"featured_media":218485,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[909,890],"domains":[47],"ppma_author":[1141],"class_list":["post-218484","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-batteries-power-supplies-fr","tag-powermanagement-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Un r\u00e9gulateur \u00b5Module, simple 50 A ou double 25 A, avec radia...<\/title>\n<meta name=\"description\" content=\"Dans un petit bo\u00eetier en plastique \u00e0 performances thermiques renforc\u00e9es, le r\u00e9gulateur \u00b5Module abaisseur LMT4650 de  Linear Technology int\u00e8gre des...\" \/>\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\/218484\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un r\u00e9gulateur \u00b5Module, simple 50 A ou double 25 A, avec radiateur int\u00e9gr\u00e9\" \/>\n<meta property=\"og:description\" content=\"Dans un petit bo\u00eetier en plastique \u00e0 performances thermiques renforc\u00e9es, le r\u00e9gulateur \u00b5Module abaisseur LMT4650 de Linear Technology int\u00e8gre des inductances blind\u00e9es sur la carte, les MOSFET et un double r\u00e9gulateur DC\/DC fournissant une sortie simple de 50 A ou double de 25 A. A partir d\u2019une tension d\u2019entr\u00e9e de 4.5 V \u00e0 15 V, il peut d\u00e9livrer une tension de sortie de 0.6 V \u00e0 1.8 V.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/218484\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2016-03-10T23:00:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci7717_linear_ltm4650.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1125\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alain Dieul\" \/>\n\t<meta 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