{"version":"1.0","provider_name":"EENewsEurope","provider_url":"https:\/\/www.ecinews.fr\/fr\/","author_name":"eeNews Europe","author_url":"https:\/\/www.ecinews.fr\/fr\/author\/eenews-europe\/","title":"Contr\u00f4leurs PWM \u00e9cologiques \u00e0 haut rendement","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"GoDqmQ3ODA\"><a href=\"https:\/\/www.ecinews.fr\/fr\/controleurs-pwm-ecologiques-a-haut-rendement\/\">Contr\u00f4leurs PWM \u00e9cologiques \u00e0 haut rendement<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.ecinews.fr\/fr\/controleurs-pwm-ecologiques-a-haut-rendement\/embed\/#?secret=GoDqmQ3ODA\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Contr\u00f4leurs PWM \u00e9cologiques \u00e0 haut rendement\u00a0\u00bb &#8212; EENewsEurope\" data-secret=\"GoDqmQ3ODA\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci2288_ti.jpg","thumbnail_width":2540,"thumbnail_height":2032,"description":"Texas Instruments pr\u00e9sente deux contr\u00f4leurs d'alimentation PWM \u00e0 hautes performances avec sorties de contr\u00f4le \u00e0 redresseurs synchrones et \u00e0 d\u00e9lai programmable et circuits de d\u00e9marrage de syst\u00e8mes pr\u00e9-polaris\u00e9s. Les contr\u00f4leurs UCC28250 et UCC28950 permettent de simplifier et d'am\u00e9liorer le rendement des alimentations isol\u00e9es haute densit\u00e9 pour les t\u00e9l\u00e9communications, les serveurs et les syst\u00e8mes industriels. Ces circuits offrent plusieurs topologies haute fr\u00e9quence, telles qu'en demi-pont, en pont complet, entrelac\u00e9 et sym\u00e9trique, qui peuvent avoir des exigences \u00e9lev\u00e9es de d\u00e9marrage de syst\u00e8mes pr\u00e9-polaris\u00e9s et permettent de r\u00e9aliser plusieurs topologies \u00e0 haut rendement."}