{"id":3241,"date":"2021-12-20T16:35:00","date_gmt":"2021-12-20T08:35:00","guid":{"rendered":"https:\/\/22ya4u4yz3u0.wpsite.pro\/?p=3241"},"modified":"2024-09-10T13:16:40","modified_gmt":"2024-09-10T05:16:40","slug":"emt3571","status":"publish","type":"post","link":"https:\/\/www.ecmos.com.tw\/en\/dc-converter-buck\/emt3571\/","title":{"rendered":"EMT3571\uff5c18V 3A 500kHz Synchronous Step-Down DC\/DC Converter"},"content":{"rendered":"<a href=\"https:\/\/www.ecmos.com.tw\/wp-content\/uploads\/2021\/12\/EMT3571_1F21N-Rev.F001.pdf\" download=\"EMT3571_1F21N-Rev.F001.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\n<div class=\"postbutton\">\u898f\u683c\u66f8\u4e0b\u8f09<\/div><\/a>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">General Description<\/h3>\n\n\n\n<p>The EMT3571 is a high efficiency, 3A current mode synchronous step-down DC\/DC converter with a wide input voltage range from 4.7V to 18V.<\/p>\n\n\n\n<p>The device integrates high side and low side MOSFETs to achieve high efficiency conversion.<\/p>\n\n\n\n<p>The current mode architecture supports fast transient response and internal compensation.<\/p>\n\n\n\n<p>The EMT3571 provides complete fault protection including input under voltage lockout, output short circuit protection, over current protection, and thermal shutdown. The switching frequency is internally set at 500kHz. <\/p>\n\n\n\n<p>EMT3571N and EMT3571A have different operation modes:<br>\u25c6 EMT3571N is automatic PSM\/PWM mode<br>\u25c6 EMT3571A is Forced PWM mode<\/p>\n\n\n\n<p>To improve the light load efficiency, EMT3571N has proprietary light load power saving mode (PSM) to minimize the switching loss by reducing the switching frequency. The EMT3571 is available in the SOT23_6L .<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Features<\/h3>\n\n\n\n<p>\u25c6 Input Voltage Range from 4.7V to 18V<br>\u25c6 Adjustable Output Voltage from 0.8V to 12V<br>\u25c6 Support 100% Duty Cycle Operation<br>\u25c6 500kHz Switching Frequency<br>\u25c6 Built-in 110m\u2126\/60m\u2126 Power Switch<br>\u25c6 3A Continuous Output Current<br>\u25c6 High Efficiency up to 95%<br>\u25c6 Internal 1msec Soft-Start<br>\u25c6 Peak Current Mode Operation<br>\u25c6 Over-temperature Protection<br>\u25c6 Input Under Voltage Lockout (UVLO)<br>\u25c6 Cycle-by-Cycle Current Limit Protection<br>\u25c6 Over-Load and Short Circuit Protection<br>\u25c6 Thermal Shutdown Protection<br>\u25c6 Available in a Small SOT23_6L Package<br>\u25c6 Pb-Free RoHS Compliant<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>\u25c6 Wireless and DSL Card<br>\u25c6 Portable\/Handheld Device<br>\u25c6 STB, TV, Sound Bar, MP3 Player<br>\u25c6 Microprocessor and DSP Core Supply<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<iframe src=\"https:\/\/www.ecmos.com.tw\/wp-content\/uploads\/2021\/12\/EMT3571_1F21N-Rev.F001.pdf\" width=\"640\" height=\"1000\" allow=\"autoplay\"><\/iframe>\n\n\n\n<a href=\"https:\/\/www.ecmos.com.tw\/wp-content\/uploads\/2021\/12\/EMT3571_1F21N-Rev.F001.pdf\" download=\"EMT3571_1F21N-Rev.F001.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">\n<div class=\"postbutton\">\u898f\u683c\u66f8\u4e0b\u8f09<\/div><\/a>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u898f\u683c\u66f8\u4e0b\u8f09 General Description The EMT3571 is a high efficie [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"slim_seo":{"description":"The EMT3571 is a high efficiency, 3A current mode synchronous step-down DC\/DC converter with a wide input voltage range from 4.7V to 18V. The device integrates high side and low side MOSFETs to achieve high efficiency conversion. The current mode architecture supports fast transient response and internal compensation. The EMT3571 provides complete fault protection including input under voltage lockout, output short circuit protection, over current protection, and thermal shutdown. The switching frequency is internally set at 500kHz. EMT3571N and EMT3571A have different operation modes: \u25c6 EMT3571N is automatic PSM\/PWM mode \u25c6 EMT3571A is Forced PWM mode To improve the light load efficiency, EMT3571N has proprietary light load power saving mode (PSM) to minimize the switching loss by reducing the switching frequency. The EMT3571 is available in the SOT23_6L .","title":"EMT3571\uff5c18V 3A 500kHz Synchronous Step-Down DC\/DC Converter - \u98db\u8679\u9ad8\u79d1\u80a1\u4efd\u6709\u9650\u516c\u53f8"},"footnotes":""},"categories":[12],"tags":[],"class_list":["post-3241","post","type-post","status-publish","format-standard","hentry","category-dc-converter-buck"],"_links":{"self":[{"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/posts\/3241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/comments?post=3241"}],"version-history":[{"count":2,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/posts\/3241\/revisions"}],"predecessor-version":[{"id":17287,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/posts\/3241\/revisions\/17287"}],"wp:attachment":[{"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/media?parent=3241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/categories?post=3241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecmos.com.tw\/en\/wp-json\/wp\/v2\/tags?post=3241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}