{"id":11049,"date":"2026-07-23T03:28:59","date_gmt":"2026-07-23T03:28:59","guid":{"rendered":"https:\/\/ic-vendor.com\/syr838\/"},"modified":"2026-07-23T03:28:59","modified_gmt":"2026-07-23T03:28:59","slug":"syr838","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/ar\/syr838\/","title":{"rendered":"SYR838"},"content":{"rendered":"<h2>\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n<p>The SYR838 from Silergy is a 2A synchronous step-down converter with 4-40V input range, the higher-current version of the SYR837, designed for automotive and industrial power applications in SOT-23-6.<\/p>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<table>\n<tr>\n<td>\u0627\u0644\u0646\u0648\u0639<\/td>\n<td>Synchronous step-down converter<\/td>\n<\/tr>\n<tr>\n<td>\u062c\u0647\u062f \u0627\u0644\u0625\u062f\u062e\u0627\u0644<\/td>\n<td>4-40V<\/td>\n<\/tr>\n<tr>\n<td>\u062c\u0647\u062f \u0627\u0644\u062e\u0631\u062c<\/td>\n<td>0.8-30V (adjustable)<\/td>\n<\/tr>\n<tr>\n<td>\u062a\u064a\u0627\u0631 \u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/td>\n<td>2A<\/td>\n<\/tr>\n<tr>\n<td>Switching Freq<\/td>\n<td>500 kHz<\/td>\n<\/tr>\n<tr>\n<td>Efficiency<\/td>\n<td>Up to 93%<\/td>\n<\/tr>\n<tr>\n<td>Iq<\/td>\n<td>120uA typ<\/td>\n<\/tr>\n<tr>\n<td>Temp<\/td>\n<td>-40 to 125C<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n<td>SOT-23-6<\/td>\n<\/tr>\n<\/table>\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n<ul>\n<li>Wide 4-40V input voltage range<\/li>\n<li>2A continuous output current<\/li>\n<li>500kHz switching frequency<\/li>\n<li>Synchronous rectification up to 93% efficiency<\/li>\n<li>120uA quiescent current<\/li>\n<li>Internal compensation<\/li>\n<li>Over-current and thermal protection<\/li>\n<li>SOT-23-6 compact package<\/li>\n<li>AEC-Q100 automotive qualified<\/li>\n<\/ul>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>Automotive 12V\/24V power rails<\/li>\n<li>Industrial 24V bus conversion<\/li>\n<li>Battery-powered DC-DC<\/li>\n<li>Set-top box and DVR power<\/li>\n<li>Networking equipment power<\/li>\n<li>LED driver power supplies<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The SYR838 from Silergy is a 2A synchronous step-down converter with 4-40V input range, the higher-current version of the SYR837, designed for automotive and industrial power applications in SOT-23-6. Key Specifications Type Synchronous step-down converter Input Voltage 4-40V Output Voltage 0.8-30V (adjustable) Output Current 2A Switching Freq 500 kHz Efficiency Up to 93% [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11105,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[31,13],"tags":[2372],"chip_brand":[292],"class_list":["post-11049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dc-dc-converters","category-integrated-circuits-ics","tag-syr838","chip_brand-silergy"],"acf":{"brief_explanation":"2A synchronous buck converter, 4-40V input, SOT-23-6","date_code":"","package_case":"SOT-23-6 (2.9x1.6mm)","in_stock":11172,"datasheet":"https:\/\/www.silergy.com\/doc\/SYR838.pdf","price":"$0.45 @ 1pc","product_introduction":"The SYR838 from Silergy is the 2A version of the SYR837 synchronous buck converter. With 4-40V input and 2A output, it handles higher power loads while maintaining the same compact SOT-23-6 footprint and simple design philosophy.","working_principle":"Same current-mode synchronous buck architecture as the SYR837 with higher current rating. The integrated MOSFETs are sized for 2A continuous operation. The 500kHz frequency and internal compensation minimize external component count. The wide 4-40V input directly supports 12V and 24V automotive\/industrial buses.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>GND<\/td><td>Ground<\/td><\/tr><tr><td>2<\/td><td>SW<\/td><td>Switch node<\/td><\/tr><tr><td>3<\/td><td>VIN<\/td><td>Input (4-40V)<\/td><\/tr><tr><td>4<\/td><td>EN<\/td><td>Enable<\/td><\/tr><tr><td>5<\/td><td>FB<\/td><td>Feedback (0.8V ref)<\/td><\/tr><tr><td>6<\/td><td>BOOT<\/td><td>Bootstrap<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Automotive 12V\/24V systems<\/li><li>Industrial 24V power conversion<\/li><li>Networking equipment<\/li><li>Set-top box power<\/li><\/ul>","alternative_models":"<table><tr><th>Manufacturer<\/th><th>Part Number<\/th><th>Notes<\/th><\/tr><tr><td>Silergy<\/td><td>SYR837<\/td><td>1.2A version<\/td><\/tr><tr><td>TI<\/td><td>LMR16010<\/td><td>4-60V, 1A<\/td><\/tr><tr><td>Monolithic Power<\/td><td>MP4581<\/td><td>4-55V, 1.5A<\/td><\/tr><tr><td>Mornsun<\/td><td>K7803-500R3<\/td><td>Module alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/11049","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/comments?post=11049"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/11049\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/media\/11105"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/media?parent=11049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/categories?post=11049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/tags?post=11049"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=11049"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}