{"id":197536,"date":"2016-09-26T23:00:00","date_gmt":"2016-09-26T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/"},"modified":"2016-09-26T23:00:00","modified_gmt":"2016-09-26T23:00:00","slug":"controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/","title":{"rendered":"Contr\u00f4leur de LED, 36 V, 2 A, \u00e0 architecture Silent Switcher et g\u00e9n\u00e9rateur interne PWM"},"content":{"rendered":"<p>Le g\u00e9n\u00e9rateur PWM int\u00e9gr\u00e9 permet des rapports de variation de luminosit\u00e9 de 1 \u00e0 128. Si des rapports de variation de luminosit\u00e9 de 1&nbsp;\u00e0 5000 sont requis, ce contr\u00f4leur et un g\u00e9n\u00e9rateur PWM externe peuvent r\u00e9pondre \u00e0 ces applications.<\/p>\n<p>La combinaison Silent Switcher associ\u00e9e \u00e0 une modulation de fr\u00e9quence \u00e0 \u00e9talement de spectre, r\u00e9duit les probl\u00e8mes dus aux interf\u00e9rences \u00e9lectromagn\u00e9tiques (EMI). Avec une gamme tension d\u2019entr\u00e9e de 2,8 V \u00e0 36 V, ce circuit est bien appropri\u00e9 \u00e0 une grande vari\u00e9t\u00e9 d\u2019applications comprenant l\u2019\u00e9clairage de l\u2019automobile, industriel et architectural. Il peut contr\u00f4ler jusqu\u2019\u00e0 34 V de LED blanches de 350 mA \u00e0 partir d\u2019une tension d\u2019entr\u00e9e pour l\u2019automobile, fournissant 10 W en exc\u00e8s.<\/p>\n<p>Ce contr\u00f4leur comprend un circuit de mesure de courant, c\u00f4t\u00e9 haut, autorisant son utilisation dans des architectures en mode \u00e9l\u00e9vateur, abaisseur ou abaisseur-\u00e9l\u00e9vateur. Il peut atteindre un rendement de 93% en mode \u00e9l\u00e9vateur, \u00e0 la fr\u00e9quence de commutation de 2 MHz pour une empreinte sur le PCB tr\u00e8s compacte. Une protection interne contre les LED court-circuit\u00e9es augmente la fiabilit\u00e9. Une broche de r\u00e9glage de la fr\u00e9quence donne \u00e0 l\u2019utilisateur la possibilit\u00e9 de programmer la fr\u00e9quence de 200 kHz \u00e0 2 MHz.<br \/>\nSes autres caract\u00e9ristiques incluent la synchronisation de la fr\u00e9quence, une protection contre les LED ouvertes et en court-circuit, un indicateur d\u2019erreur, la programmation de seuils de sous-tension et de surtension et un gestionnaire pr\u00e9cis du courant de LED.&nbsp;<\/p>\n<p>Encapsul\u00e9 dans un bo\u00eetier QFN-28, de 4 x 5 mm, \u00e0 performances thermiques renforc\u00e9es, ce composant propose une solution tr\u00e8s compacte de contr\u00f4leur de LED de forte puissance. Trois classes de temp\u00e9ratures de fonctionnement sont propos\u00e9es, avec une temp\u00e9rature de jonction de \u2013 40 \u00b0C \u00e0 +125 \u00b0C pour les classes de temp\u00e9ratures plus \u00e9tendues et industrielles, et de -40 \u00b0C \u00e0 +150 \u00b0C pour la classe haute temp\u00e9rature.<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LT3922\" target=\"_blank\" rel=\"noopener\">www.linear.com\/product\/LT3922<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le contr\u00f4leur de LED monolithique LT3922 de Linear Technology est un convertisseur DC\/DC \u00e9l\u00e9vateur synchrone, \u00e0 architecture Silent Switcher, int\u00e9grant des commutateurs de puissance 40 V, 2 A, et un g\u00e9n\u00e9rateur PWM. Son contr\u00f4le en mode cr\u00eate de courant et \u00e0 fr\u00e9quence fixe permet une r\u00e9gulation du courant \u00e0 \u00b12% pour un assemblage s\u00e9rie de LED jusqu\u2019\u00e0 34 V. <\/p>\n","protected":false},"author":9,"featured_media":197537,"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-197536","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>Contr\u00f4leur de LED, 36 V, 2 A, \u00e0 architecture Silent Switcher ...<\/title>\n<meta name=\"description\" content=\"Le contr\u00f4leur de LED monolithique LT3922 de Linear Technology est un convertisseur DC\/DC \u00e9l\u00e9vateur synchrone, \u00e0 architecture Silent Switcher, int\u00e9grant...\" \/>\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\/197536\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contr\u00f4leur de LED, 36 V, 2 A, \u00e0 architecture Silent Switcher et g\u00e9n\u00e9rateur interne PWM\" \/>\n<meta property=\"og:description\" content=\"Le contr\u00f4leur de LED monolithique LT3922 de Linear Technology est un convertisseur DC\/DC \u00e9l\u00e9vateur synchrone, \u00e0 architecture Silent Switcher, int\u00e9grant des commutateurs de puissance 40 V, 2 A, et un g\u00e9n\u00e9rateur PWM. Son contr\u00f4le en mode cr\u00eate de courant et \u00e0 fr\u00e9quence fixe permet une r\u00e9gulation du courant \u00e0 \u00b12% pour un assemblage s\u00e9rie de LED jusqu\u2019\u00e0 34 V.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/197536\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2016-09-26T23:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci8063_linear_lt3922.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1900\" \/>\n\t<meta property=\"og:image:height\" content=\"1425\" \/>\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 name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/\"},\"author\":{\"name\":\"Alain Dieul\",\"@id\":\"https:\/\/www.ecinews.fr\/fr\/#\/schema\/person\/568c789a4794bd460460501ba91f5daf\"},\"headline\":\"Contr\u00f4leur de LED, 36 V, 2 A, \u00e0 architecture Silent Switcher et g\u00e9n\u00e9rateur interne PWM\",\"datePublished\":\"2016-09-26T23:00:00+00:00\",\"dateModified\":\"2016-09-26T23:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/\"},\"wordCount\":342,\"publisher\":{\"@id\":\"https:\/\/www.ecinews.fr\/fr\/#organization\"},\"keywords\":[\"Batteries \/ Power Supplies\",\"PowerManagement\"],\"articleSection\":[\"Nouveaux produits\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/\",\"url\":\"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/\",\"name\":\"Contr\u00f4leur de LED, 36 V, 2 A, \u00e0 architecture Silent Switcher et g\u00e9n\u00e9rateur interne PWM -\",\"isPartOf\":{\"@id\":\"https:\/\/www.ecinews.fr\/fr\/#website\"},\"datePublished\":\"2016-09-26T23:00:00+00:00\",\"dateModified\":\"2016-09-26T23:00:00+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.ecinews.fr\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Contr\u00f4leur de LED, 36 V, 2 A, \u00e0 architecture Silent Switcher et g\u00e9n\u00e9rateur interne PWM\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.ecinews.fr\/fr\/#website\",\"url\":\"https:\/\/www.ecinews.fr\/fr\/\",\"name\":\"EENewsEurope\",\"description\":\"Just another WordPress site\",\"publisher\":{\"@id\":\"https:\/\/www.ecinews.fr\/fr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.ecinews.fr\/fr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.ecinews.fr\/fr\/#organization\",\"name\":\"EENewsEurope\",\"url\":\"https:\/\/www.ecinews.fr\/fr\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.ecinews.fr\/fr\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/2022\/02\/logo-1.jpg\",\"contentUrl\":\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/2022\/02\/logo-1.jpg\",\"width\":283,\"height\":113,\"caption\":\"EENewsEurope\"},\"image\":{\"@id\":\"https:\/\/www.ecinews.fr\/fr\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.ecinews.fr\/fr\/#\/schema\/person\/568c789a4794bd460460501ba91f5daf\",\"name\":\"Alain Dieul\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.ecinews.fr\/fr\/#\/schema\/person\/image\/6d32dc651fbcef3b338066625b118364\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/93708ec89b35deb10f4cfbfe144b4e07?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/93708ec89b35deb10f4cfbfe144b4e07?s=96&d=mm&r=g\",\"caption\":\"Alain Dieul\"}}]}<\/script>","yoast_head_json":{"title":"Contr\u00f4leur de LED, 36 V, 2 A, \u00e0 architecture Silent Switcher ...","description":"Le contr\u00f4leur de LED monolithique LT3922 de Linear Technology est un convertisseur DC\/DC \u00e9l\u00e9vateur synchrone, \u00e0 architecture Silent Switcher, int\u00e9grant...","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/197536\/","og_locale":"fr_FR","og_type":"article","og_title":"Contr\u00f4leur de LED, 36 V, 2 A, \u00e0 architecture Silent Switcher et g\u00e9n\u00e9rateur interne PWM","og_description":"Le contr\u00f4leur de LED monolithique LT3922 de Linear Technology est un convertisseur DC\/DC \u00e9l\u00e9vateur synchrone, \u00e0 architecture Silent Switcher, int\u00e9grant des commutateurs de puissance 40 V, 2 A, et un g\u00e9n\u00e9rateur PWM. Son contr\u00f4le en mode cr\u00eate de courant et \u00e0 fr\u00e9quence fixe permet une r\u00e9gulation du courant \u00e0 \u00b12% pour un assemblage s\u00e9rie de LED jusqu\u2019\u00e0 34 V.","og_url":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/197536\/","og_site_name":"EENewsEurope","article_published_time":"2016-09-26T23:00:00+00:00","og_image":[{"width":1900,"height":1425,"url":"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci8063_linear_lt3922.jpg","type":"image\/jpeg"}],"author":"Alain Dieul","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Alain Dieul","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/#article","isPartOf":{"@id":"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/"},"author":{"name":"Alain Dieul","@id":"https:\/\/www.ecinews.fr\/fr\/#\/schema\/person\/568c789a4794bd460460501ba91f5daf"},"headline":"Contr\u00f4leur de LED, 36 V, 2 A, \u00e0 architecture Silent Switcher et g\u00e9n\u00e9rateur interne PWM","datePublished":"2016-09-26T23:00:00+00:00","dateModified":"2016-09-26T23:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/"},"wordCount":342,"publisher":{"@id":"https:\/\/www.ecinews.fr\/fr\/#organization"},"keywords":["Batteries \/ Power Supplies","PowerManagement"],"articleSection":["Nouveaux produits"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/","url":"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/","name":"Contr\u00f4leur de LED, 36 V, 2 A, \u00e0 architecture Silent Switcher et g\u00e9n\u00e9rateur interne PWM -","isPartOf":{"@id":"https:\/\/www.ecinews.fr\/fr\/#website"},"datePublished":"2016-09-26T23:00:00+00:00","dateModified":"2016-09-26T23:00:00+00:00","breadcrumb":{"@id":"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.ecinews.fr\/fr\/controleur-de-led-36-v-2-a-a-architecture-silent-switcher-et-generateur-interne-pwm\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.ecinews.fr\/fr\/"},{"@type":"ListItem","position":2,"name":"Contr\u00f4leur de LED, 36 V, 2 A, \u00e0 architecture Silent Switcher et g\u00e9n\u00e9rateur interne PWM"}]},{"@type":"WebSite","@id":"https:\/\/www.ecinews.fr\/fr\/#website","url":"https:\/\/www.ecinews.fr\/fr\/","name":"EENewsEurope","description":"Just another WordPress site","publisher":{"@id":"https:\/\/www.ecinews.fr\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.ecinews.fr\/fr\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.ecinews.fr\/fr\/#organization","name":"EENewsEurope","url":"https:\/\/www.ecinews.fr\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.ecinews.fr\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/www.ecinews.fr\/wp-content\/uploads\/2022\/02\/logo-1.jpg","contentUrl":"https:\/\/www.ecinews.fr\/wp-content\/uploads\/2022\/02\/logo-1.jpg","width":283,"height":113,"caption":"EENewsEurope"},"image":{"@id":"https:\/\/www.ecinews.fr\/fr\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.ecinews.fr\/fr\/#\/schema\/person\/568c789a4794bd460460501ba91f5daf","name":"Alain Dieul","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.ecinews.fr\/fr\/#\/schema\/person\/image\/6d32dc651fbcef3b338066625b118364","url":"https:\/\/secure.gravatar.com\/avatar\/93708ec89b35deb10f4cfbfe144b4e07?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/93708ec89b35deb10f4cfbfe144b4e07?s=96&d=mm&r=g","caption":"Alain Dieul"}}]}},"authors":[{"term_id":1141,"user_id":9,"is_guest":0,"slug":"alaindieul","display_name":"Alain Dieul","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/93708ec89b35deb10f4cfbfe144b4e07?s=96&d=mm&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/197536"}],"collection":[{"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/comments?post=197536"}],"version-history":[{"count":0,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/197536\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/media\/197537"}],"wp:attachment":[{"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/media?parent=197536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/categories?post=197536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/tags?post=197536"},{"taxonomy":"domains","embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/domains?post=197536"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/ppma_author?post=197536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}