{"id":1515,"date":"2026-09-16T06:31:31","date_gmt":"2026-09-16T06:31:31","guid":{"rendered":"https:\/\/ahoraeg.com\/listas\/?p=1515"},"modified":"2026-09-16T06:32:05","modified_gmt":"2026-09-16T06:32:05","slug":"que-es-una-fuente-de-alimentacion","status":"publish","type":"post","link":"https:\/\/ahoraeg.com\/listas\/que-es-una-fuente-de-alimentacion\/","title":{"rendered":"\u00bfQu\u00e9 es una fuente de alimentaci\u00f3n? Concepto, funciones y tipos"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabla de contenidos\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ahoraeg.com\/listas\/que-es-una-fuente-de-alimentacion\/#%C2%BFQue_es_una_fuente_de_alimentacion\" >\u00bfQu\u00e9 es una fuente de alimentaci\u00f3n?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ahoraeg.com\/listas\/que-es-una-fuente-de-alimentacion\/#Funciones_de_las_fuentes_de_alimentacion\" >Funciones de las fuentes de alimentaci\u00f3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ahoraeg.com\/listas\/que-es-una-fuente-de-alimentacion\/#Tipos_de_fuentes_de_alimentacion\" >Tipos de fuentes de alimentaci\u00f3n<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"h-que-es-una-fuente-de-alimentacion\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue_es_una_fuente_de_alimentacion\"><\/span>\u00bfQu\u00e9 es una fuente de alimentaci\u00f3n?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Una fuente de poder o fuente de alimentaci\u00f3n (PSU, por sus siglas en ingl\u00e9s) es un <strong>dispositivo encargado de transformar la corriente alterna de la l\u00ednea el\u00e9ctrica comercial en corriente continua o directa<\/strong>, utilizable por diferentes aparatos electr\u00f3nicos y mec\u00e1nicos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Todos los electrodom\u00e9sticos cotidianos, como televisores, computadoras o radios, cuentan con una fuente de alimentaci\u00f3n que les permite obtener energ\u00eda de la red el\u00e9ctrica en los diferentes voltajes requeridos. Adem\u00e1s, este componente <strong>proporciona cierto grado de protecci\u00f3n frente a las eventuales fluctuaciones del suministro el\u00e9ctrico<\/strong>, como la sobretensi\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Las fuentes de alimentaci\u00f3n pueden formar parte del cuerpo del aparato (fuentes internas) o pueden hallarse por fuera (fuentes externas). En ambos casos, se encuentran conectadas al circuito electr\u00f3nico al que suministran energ\u00eda.<\/p>\n\n\n\n<h2 id=\"h-funciones-de-las-fuentes-de-alimentacion\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Funciones_de_las_fuentes_de_alimentacion\"><\/span>Funciones de las fuentes de alimentaci\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Las funciones esenciales de una fuente de alimentaci\u00f3n son:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Transformaci\u00f3n<\/strong>. Se trata de la reducci\u00f3n de la tensi\u00f3n de entrada de la corriente hacia la fuente (220 v o 125 v), normalmente a trav\u00e9s de un transformador en bobina. La salida de este proceso genera de 5 a 12 voltios.<\/li>\n\n\n\n<li><strong>Rectificaci\u00f3n<\/strong>. Tiene el objetivo de convertir la corriente alterna en corriente continua pulsante; la reducci\u00f3n de las oscilaciones corresponde al filtrado y la estabilizaci\u00f3n. Para ello se utiliza un puente rectificador o de Graetz que permite al voltaje no bajar de los 0 voltios.<\/li>\n\n\n\n<li><strong>Filtrado<\/strong>. Se trata del aplanamiento al m\u00e1ximo de la se\u00f1al el\u00e9ctrica a trav\u00e9s de uno o varios condensadores, que retienen la corriente y luego la dejan pasar lentamente.<\/li>\n\n\n\n<li><strong>Estabilizaci\u00f3n<\/strong>. Se trata del mantenimiento de la se\u00f1al continua una vez que han terminado las labores de transformaci\u00f3n, rectificaci\u00f3n y filtrado. Esta es la \u00faltima de las funciones del ciclo el\u00e9ctrico de la fuente.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tipos_de_fuentes_de_alimentacion\"><\/span>Tipos de fuentes de alimentaci\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Las fuentes de alimentaci\u00f3n pueden ser de dos tipos: lineales o conmutativas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fuentes de alimentaci\u00f3n lineales<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Las fuentes de alimentaci\u00f3n lineales son <strong>aquellas cuyos componentes est\u00e1n dispuestos de manera sucesiva<\/strong>, conforme al siguiente esquema: transformador (reductor de tensi\u00f3n), rectificador (conversi\u00f3n de voltaje alterno a onda completa), filtro (conversi\u00f3n de onda completa a continua) y regulaci\u00f3n (mantenimiento del voltaje de salida ante variaciones en la carga).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Se trata de un tipo de fuente menos eficiente, debido a que parte de la energ\u00eda se convierte en calor durante la regulaci\u00f3n. Sin embargo, posee un bajo costo y un dise\u00f1o compacto.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fuentes de alimentaci\u00f3n conmutativas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Las fuentes de alimentaci\u00f3n conmutativas son <strong>aquellas que operan a trav\u00e9s de la transformaci\u00f3n de la energ\u00eda mediante transistores polarizados inversamente<\/strong>. Su esquema de componentes es: rectificador, conmutador, transformador, otro rectificador y salida.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esto les permite operar de manera mucho m\u00e1s eficiente que las fuentes lineales, ya que tienen menor tama\u00f1o y menor calentamiento.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Te explicamos qu\u00e9 es una fuente de alimentaci\u00f3n, qu\u00e9 funciones cumple y qu\u00e9 tipos existen.<\/p>\n","protected":false},"author":1,"featured_media":1516,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"buzzeditor_post_format":"","footnotes":""},"categories":[151],"tags":[],"class_list":["post-1515","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conceptos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00bfQu\u00e9 es una fuente de alimentaci\u00f3n? 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