{"id":3317,"date":"2026-06-01T01:17:30","date_gmt":"2026-06-01T01:17:30","guid":{"rendered":"https:\/\/materialparts.com\/lm2576t-12-nopb\/"},"modified":"2026-06-01T01:17:30","modified_gmt":"2026-06-01T01:17:30","slug":"lm2576t-12-nopb","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/lm2576t-12-nopb\/","title":{"rendered":"LM2576T-12\/NOPB"},"content":{"rendered":"

Productos<\/h2>\n

The LM2576T-12\/NOPB from Texas Instruments is the Pb-free version of the LM2576T-12, a 3A step-down switching regulator with fixed 12V output. Electrically identical to the standard version but uses NiPdAu lead finish for RoHS compliance. The \/NOPB suffix indicates Pb-free termination.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n
Output Voltage<\/td>\n12V (Fixed, 2% tolerance)<\/td>\n<\/tr>\n
Corriente de salida<\/td>\n3A<\/td>\n<\/tr>\n
Input Voltage Range<\/td>\n15V to 40V<\/td>\n<\/tr>\n
Switching Frequency<\/td>\n150 kHz<\/td>\n<\/tr>\n
Efficiency<\/td>\nUp to 88%<\/td>\n<\/tr>\n
Acabado en plomo<\/td>\nNiPdAu (Pb-free)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40 to 125\u00b0C<\/td>\n<\/tr>\n
Paquete<\/td>\nTO-220-5 (Pb-free)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • Electrically identical to LM2576T-12 with Pb-free termination<\/li>\n
  • 3A output current with fixed 12V output<\/li>\n
  • 150kHz fixed-frequency oscillator<\/li>\n
  • Only 4 external components required<\/li>\n
  • Shutdown mode: 50uA quiescent current<\/li>\n
  • Thermal shutdown and current limit protection<\/li>\n
  • RoHS compliant NiPdAu lead finish<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • RoHS-compliant buck converter designs<\/li>\n
    • Automotive and industrial 12V power supplies<\/li>\n
    • Battery-powered voltage regulation<\/li>\n
    • Distributed power systems<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The LM2576T-12\/NOPB from Texas Instruments is the Pb-free version of the LM2576T-12, a 3A step-down switching regulator with fixed 12V output. Electrically identical to the standard version but uses NiPdAu lead finish for RoHS compliance. The \/NOPB suffix indicates Pb-free termination. Key Specifications Output Voltage 12V (Fixed, 2% tolerance) Output Current 3A Input […]<\/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":[31,13],"tags":[],"chip_brand":[138],"class_list":["post-3317","post","type-post","status-publish","format-standard","hentry","category-dc-dc-converters","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"3A step-down switching regulator, fixed 12V, Pb-free (NiPdAu), TO-220-5","date_code":"","package_case":"TO-220-5 (5-lead, Pb-free NiPdAu finish)","in_stock":9876,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/lm2576.pdf","price":"$1.38 @ 1ku","product_introduction":"The LM2576T-12\/NOPB is the Pb-free variant of TI LM2576T-12, featuring NiPdAu termination for RoHS compliance. Electrically identical, providing fixed 12V at 3A from 15-40V input with only four external components and integrated protection features.","working_principle":"Identical to LM2576T-12, using fixed-frequency buck converter topology with internal NPN Darlington power switch at 150kHz. The only difference is the Pb-free NiPdAu lead finish on package terminals.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>VIN<\/td>Power<\/td>Input supply voltage<\/td><\/tr>
      2<\/td>Output<\/td>Output<\/td>Switch output to inductor<\/td><\/tr>
      3<\/td>GND<\/td>Ground<\/td>Ground and thermal tab<\/td><\/tr>
      4<\/td>Feedback<\/td>Input<\/td>Output voltage feedback<\/td><\/tr>
      5<\/td>ON\/OFF<\/td>Input<\/td>Shutdown control (low=ON)<\/td><\/tr><\/table>","application_scenarios":"
      • RoHS-compliant 12V power supply from 24V industrial bus<\/li>
      • Automotive Pb-free electronics<\/li>
      • Green electronics designs requiring lead-free soldering<\/li>
      • Replacement for standard LM2576T-12 in product revisions<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TI<\/td>LM2576T-12<\/td>TO-220-5<\/td>Standard non-Pb-free version<\/td><\/tr>
        TI<\/td>LM2576S-12\/NOPB<\/td>TO-263-5<\/td>SMD Pb-free (D2PAK)<\/td><\/tr>
        onsemi<\/td>NCV2576D2T12G<\/td>D2PAK-5<\/td>Automotive AEC-Q100<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/3317","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=3317"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/3317\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=3317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=3317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=3317"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=3317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}