{"id":5282,"date":"2026-06-09T10:38:52","date_gmt":"2026-06-09T10:38:52","guid":{"rendered":"https:\/\/materialparts.com\/tl1963a-33dcyr\/"},"modified":"2026-06-09T10:38:52","modified_gmt":"2026-06-09T10:38:52","slug":"tl1963a-33dcyr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/tl1963a-33dcyr\/","title":{"rendered":"TL1963A-33DCYR"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

TL1963A-33DCYR from TI is a 1.5A LDO with 40V maximum input. Fixed 3.3V output. 340mV dropout at 1.5A. Fast transient response. SOT-223.<\/p>\n

\u5de5\u4f5c\u539f\u7406<\/h2>\n

LDO with PNP pass transistor for low dropout. 40V max input for automotive. Fixed 3.3V output. 340mV dropout at 1.5A. Current limit and thermal shutdown protection. Fast transient for digital loads.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n\n
\u9488\u811a<\/th>\n\u540d\u79f0<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n
1<\/td>\nGND\/ADJ<\/td>\n\u5730\u9762<\/td>\n<\/tr>\n
2<\/td>\nVOUT<\/td>\n3.3V output<\/td>\n<\/tr>\n
3<\/td>\nVIN<\/td>\n2.1-40V input<\/td>\n<\/tr>\n
4<\/td>\nEN<\/td>\nEnable (optional)<\/td>\n<\/tr>\n<\/table>\n

\u5e94\u7528<\/h2>\n
    \n
  • Automotive 3.3V regulation<\/li>\n
  • Industrial 24V bus POL<\/li>\n
  • Post-regulation after DC-DC<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n
    \u5236\u9020\u5546<\/th>\n\u90e8\u4ef6\u7f16\u53f7<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n
    TI<\/td>\nTL1963A-ADJDCYR<\/td>\nAdjustable version<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview TL1963A-33DCYR from TI is a 1.5A LDO with 40V maximum input. Fixed 3.3V output. 340mV dropout at 1.5A. Fast transient response. SOT-223. Working Principle LDO with PNP pass transistor for low dropout. 40V max input for automotive. Fixed 3.3V output. 340mV dropout at 1.5A. Current limit and thermal shutdown protection. Fast transient for […]<\/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":[138],"class_list":["post-5282","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo","chip_brand-ti"],"acf":{"brief_explanation":"1.5A LDO, 3.3V fixed, 40V in, SOT-223","date_code":"","package_case":"SOT-223 (6.5 x 3.5 x 1.8mm)","in_stock":12714,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/tl1963a.pdf","price":"$1.50 @ 1ku","product_introduction":"TL1963A-33DCYR from TI is a 1.5A LDO with 40V maximum input. Fixed 3.3V output. 340mV dropout at 1.5A. Fast transient response. SOT-223.","working_principle":"LDO with PNP pass transistor for low dropout. 40V max input for automotive. Fixed 3.3V output. 340mV dropout at 1.5A. Current limit and thermal shutdown protection. Fast transient for digital loads.","pin_description":"
    Pin<\/th>Name<\/th>Function<\/th><\/tr>
    1<\/td>GND\/ADJ<\/td>Ground<\/td><\/tr>
    2<\/td>VOUT<\/td>3.3V output<\/td><\/tr>
    3<\/td>VIN<\/td>2.1-40V input<\/td><\/tr>
    4<\/td>EN<\/td>Enable (optional)<\/td><\/tr><\/table>","application_scenarios":"
    • Automotive 3.3V regulation<\/li>
    • Industrial 24V bus POL<\/li>
    • Post-regulation after DC-DC<\/li><\/ul>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Notes<\/th><\/tr>
      TI<\/td>TL1963A-ADJDCYR<\/td>Adjustable version<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5282","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=5282"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5282\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5282"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}