{"id":4996,"date":"2024-07-16T16:26:52","date_gmt":"2024-07-16T07:26:52","guid":{"rendered":"https:\/\/www.bellnix.co.jp\/en\/?p=4996"},"modified":"2024-08-29T14:37:20","modified_gmt":"2024-08-29T05:37:20","slug":"evaluation-method-on-the-fast-response-of-pol%e3%80%80converters","status":"publish","type":"post","link":"https:\/\/www.bellnix.co.jp\/en\/2024\/07\/16\/evaluation-method-on-the-fast-response-of-pol%e3%80%80converters\/","title":{"rendered":"Evaluation Method On The Fast Response Of POL Converters"},"content":{"rendered":"\n<p>The transient response for rapid load change is evaluated by the output voltage deviation when the load current is rapidly changed.<\/p>\n\n\n\n<p>It can be said that a POL converter having small deviation is a good converter.<\/p>\n\n\n\n<p>However, as the voltage deviation varies depending on various conditions, it is required to determine the conditions in advance for the comparison.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Description of the evaluation environment<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"638\" height=\"373\" src=\"https:\/\/www.bellnix.co.jp\/en\/websystem\/wp-content\/uploads\/2024\/07\/application003a.png\" alt=\"\" class=\"wp-image-4997\" srcset=\"https:\/\/www.bellnix.co.jp\/en\/websystem\/wp-content\/uploads\/2024\/07\/application003a.png 638w, https:\/\/www.bellnix.co.jp\/en\/websystem\/wp-content\/uploads\/2024\/07\/application003a-300x175.png 300w\" sizes=\"(max-width: 638px) 100vw, 638px\" \/><\/figure>\n\n\n\n<div style=\"font-family: arial;\">\n<span lang=\"EN-US\" style=\"font-family: arial; font-size: revert; text-indent: -18pt; color: initial;\">#1: Test sample<\/span>\n\n<p>\n#2: Electronic load\n<\/p>\n\n#3: Voltage probe<br>Measure the waveform of transient response characteristics.<br>Remove GND wire from the voltage probe, wind an end of the a tin-plated wire around the GND terminal on the board, and wind the other end around the GND electrode of the voltage probe.<br>For the measurement, make the loop as small as possible between Vout and GND.\n<P>\n#4: Input capacitor<br>If the power supply lines are far, add a large input capacitor on the board.\n<\/P>\n\n\n#5: Sensing line for output voltage measurement\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">2. Important matters<\/h2>\n\n\n\n<div style=\"font-family: arial;\">\n<ul>\n&#8211; Keep the distance as close as possible between the electronic load terminals and the test sample.\n<P>\n&#8211; If the \u201cA\u201d is too long or the pattern is too narrow, the output voltage deviation will increase (appear) at\n  a rapid load change due to the inductance component of the pattern.\n<\/P>\n<\/ul>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The transient response for rapid load change is evaluated by the output voltage deviation when the load curren [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kadence_starter_templates_imported_post":false,"footnotes":""},"categories":[54],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Evaluation Method On The Fast Response Of POL Converters - 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