{"id":10185,"date":"2026-07-09T04:38:29","date_gmt":"2026-07-09T04:38:29","guid":{"rendered":"https:\/\/materialparts.com\/tps54331dr-2\/"},"modified":"2026-07-09T04:38:29","modified_gmt":"2026-07-09T04:38:29","slug":"tps54331dr-2","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/tps54331dr-2\/","title":{"rendered":"TPS54331DR"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The Texas Instruments TPS54331DR is a 3A buck converter, 3.5-28V, 570kHz, SO-8. It provides high-efficiency step-down power conversion for portable, industrial, and computing applications.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n
\u062a\u064a\u0627\u0631 \u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/td>\n3A<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u062f\u062e\u0627\u0644<\/td>\n3.5-28V<\/td>\n<\/tr>\n
\u062a\u0631\u062f\u062f \u0627\u0644\u062a\u062d\u0648\u064a\u0644<\/td>\n570kHz<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSO-8<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Integrated N-channel MOSFET switches<\/li>\n
  • High efficiency up to 95%<\/li>\n
  • Pulse skipping for improved light-load efficiency<\/li>\n
  • Thermal shutdown and overcurrent protection<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Embedded system point-of-load conversion<\/li>\n
    • Portable instruments<\/li>\n
    • Industrial distributed power architectures<\/li>\n
    • USB-powered devices<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The Texas Instruments TPS54331DR is a 3A buck converter, 3.5-28V, 570kHz, SO-8. It provides high-efficiency step-down power conversion for portable, industrial, and computing applications. Key Specifications Output Current 3A Input Voltage 3.5-28V Switching Frequency 570kHz Package SO-8 Features Integrated N-channel MOSFET switches High efficiency up to 95% Pulse skipping for improved light-load efficiency […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[31,13],"tags":[1461],"chip_brand":[138],"class_list":["post-10185","post","type-post","status-publish","format-standard","hentry","category-dc-dc-converters","category-integrated-circuits-ics","tag-tps54331dr","chip_brand-ti"],"acf":{"brief_explanation":"3A buck converter, 3.5-28V, 570kHz, SO-8","date_code":"","package_case":"SO-8","in_stock":6800,"datasheet":"https:\/\/www.ti.com\/product\/TPS54331","price":"$1.20 @ 1ku","product_introduction":"The TPS54331DR from Texas Instruments is a 3A buck converter operating from 3.5-28V input with 570kHz switching frequency in a SO-8 package.","working_principle":"The buck converter uses integrated N-channel MOSFET switches in a current-mode control architecture. The high-side switch charges the inductor during the on-time, and the low-side synchronous rectifier freewheels during the off-time. Current mode control provides fast transient response and cycle-by-cycle current limiting.","pin_description":"
      Pin<\/th>Name<\/th>Description<\/th><\/tr>
      VIN<\/td>Input<\/td>Supply voltage<\/td><\/tr>
      SW<\/td>Switch<\/td>Inductor connection<\/td><\/tr>
      GND<\/td>Ground<\/td>Ground<\/td><\/tr>
      FB<\/td>Feedback<\/td>Output voltage sense<\/td><\/tr>
      EN<\/td>Enable<\/td>On\/off control<\/td><\/tr>
      BOOT<\/td>Bootstrap<\/td>Gate drive supply<\/td><\/tr><\/table>","application_scenarios":"
      • 5V to 3.3V point-of-load conversion<\/li>
      • 12V industrial bus to 5V regulation<\/li>
      • Single-cell Li-Ion to 3.3V\/5V power<\/li>
      • USB-powered embedded system supply<\/li><\/ul>","alternative_models":"
        Model<\/th>Brand<\/th>Current<\/th>Vin<\/th><\/tr>
        AP1501A-K5G-13<\/td>Diodes Inc<\/td>3A<\/td>4.5-40V<\/td><\/tr>
        BD9E301EFJ-E2<\/td>ROHM<\/td>3A<\/td>4.5-28V<\/td><\/tr>
        RT8294AZSP<\/td>Richtek<\/td>4A<\/td>4.5-26V<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/10185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=10185"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/10185\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=10185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=10185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=10185"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=10185"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}