{"id":5311,"date":"2026-06-09T10:39:42","date_gmt":"2026-06-09T10:39:42","guid":{"rendered":"https:\/\/materialparts.com\/lm317mdt-tr\/"},"modified":"2026-06-09T10:39:42","modified_gmt":"2026-06-09T10:39:42","slug":"lm317mdt-tr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/lm317mdt-tr\/","title":{"rendered":"LM317MDT-TR"},"content":{"rendered":"

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

LM317MDT-TR from ST is the classic adjustable positive voltage regulator. 1.5A output. 1.25-37V adjustable. DPAK surface mount. -TR = tape-and-reel.<\/p>\n

\u0645\u0628\u062f\u0623 \u0627\u0644\u0639\u0645\u0644<\/h2>\n

Floating regulator: output = 1.25V x (1 + R2\/R1). Adjustable from 1.25V to 37V. 1.5A output current. Line regulation 0.01%\/V. Load regulation 0.1%. Current limit and thermal protection. DPAK for surface mount.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n
\u062f\u0628\u0648\u0633<\/th>\n\u0627\u0644\u0627\u0633\u0645<\/th>\n\u0627\u0644\u0648\u0638\u064a\u0641\u0629<\/th>\n<\/tr>\n
1<\/td>\nADJ<\/td>\nAdjust<\/td>\n<\/tr>\n
2<\/td>\nVOUT<\/td>\nRegulated output<\/td>\n<\/tr>\n
3<\/td>\nVIN<\/td>\n3-40V input<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
    \n
  • General-purpose adjustable supply<\/li>\n
  • Lab power supplies<\/li>\n
  • Battery chargers<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n
    \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629<\/th>\n\u0631\u0642\u0645 \u0627\u0644\u062c\u0632\u0621<\/th>\n\u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a<\/th>\n<\/tr>\n
    ST<\/td>\nLM317T<\/td>\nTO-220 version<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview LM317MDT-TR from ST is the classic adjustable positive voltage regulator. 1.5A output. 1.25-37V adjustable. DPAK surface mount. -TR = tape-and-reel. Working Principle Floating regulator: output = 1.25V x (1 + R2\/R1). Adjustable from 1.25V to 37V. 1.5A output current. Line regulation 0.01%\/V. Load regulation 0.1%. Current limit and thermal protection. DPAK for surface […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,32],"tags":[],"chip_brand":[142],"class_list":["post-5311","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo","chip_brand-st"],"acf":{"brief_explanation":"Adj LDO, 1.5A, 1.25-37V, DPAK","date_code":"","package_case":"DPAK (TO-252, 6.5 x 6.2 x 2.3mm)","in_stock":3152,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/lm317.pdf","price":"$0.50 @ 1ku","product_introduction":"LM317MDT-TR from ST is the classic adjustable positive voltage regulator. 1.5A output. 1.25-37V adjustable. DPAK surface mount. -TR = tape-and-reel.","working_principle":"Floating regulator: output = 1.25V x (1 + R2\/R1). Adjustable from 1.25V to 37V. 1.5A output current. Line regulation 0.01%\/V. Load regulation 0.1%. Current limit and thermal protection. DPAK for surface mount.","pin_description":"
    Pin<\/th>Name<\/th>Function<\/th><\/tr>
    1<\/td>ADJ<\/td>Adjust<\/td><\/tr>
    2<\/td>VOUT<\/td>Regulated output<\/td><\/tr>
    3<\/td>VIN<\/td>3-40V input<\/td><\/tr><\/table>","application_scenarios":"
    • General-purpose adjustable supply<\/li>
    • Lab power supplies<\/li>
    • Battery chargers<\/li><\/ul>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Notes<\/th><\/tr>
      ST<\/td>LM317T<\/td>TO-220 version<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/5311","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=5311"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/5311\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=5311"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=5311"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=5311"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=5311"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}