{"id":5231,"date":"2026-06-09T10:37:18","date_gmt":"2026-06-09T10:37:18","guid":{"rendered":"https:\/\/materialparts.com\/dpa424gn-tl\/"},"modified":"2026-06-09T10:37:18","modified_gmt":"2026-06-09T10:37:18","slug":"dpa424gn-tl","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/dpa424gn-tl\/","title":{"rendered":"DPA424GN-TL"},"content":{"rendered":"

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

DPA424GN-TL from Power Integrations is a highly integrated DC-DC converter IC for PoE and telecom. 16-75VDC input. 220V MOSFET, PWM control, and protection on one CMOS chip. 300\/400kHz selectable. Forward or flyback topology. G package = surface mount DIP.<\/p>\n

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

Integrates 220V power MOSFET, oscillator, PWM controller, 5.8V regulator, and fault protection. C\/L pin sets current limit and line UV\/OV. Selectable 300\/400kHz. Auto-restart on fault. Cycle-skipping at light load for zero-load regulation.<\/p>\n

Pin Description<\/h2>\n\n\n\n\n\n\n\n\n
\u9488\u811a<\/th>\n\u540d\u79f0<\/th>\n\u529f\u80fd<\/th>\n<\/tr>\n
1<\/td>\nC<\/td>\n\u63a7\u5236<\/td>\n<\/tr>\n
2<\/td>\nL<\/td>\nLine sense<\/td>\n<\/tr>\n
3<\/td>\nX<\/td>\nExternal current limit<\/td>\n<\/tr>\n
4<\/td>\nS<\/td>\nSource (return)<\/td>\n<\/tr>\n
5-7<\/td>\nF<\/td>\nFrequency select<\/td>\n<\/tr>\n
8<\/td>\nD<\/td>\nDrain (high voltage)<\/td>\n<\/tr>\n<\/table>\n

\u5e94\u7528<\/h2>\n
    \n
  • Power over Ethernet (PoE)<\/li>\n
  • Telecom 48V distributed power<\/li>\n
  • Industrial 24V bus converters<\/li>\n<\/ul>\n

    Alternative Models<\/h2>\n\n\n\n\n
    \u5236\u9020\u5546<\/th>\n\u90e8\u4ef6\u7f16\u53f7<\/th>\n\u8bf4\u660e<\/th>\n<\/tr>\n
    PI<\/td>\nDPA423GN-TL<\/td>\nLower power version<\/td>\n<\/tr>\n
    PI<\/td>\nDPA425GN-TL<\/td>\nHigher power version<\/td>\n<\/tr>\n<\/table>","protected":false},"excerpt":{"rendered":"

    Product Overview DPA424GN-TL from Power Integrations is a highly integrated DC-DC converter IC for PoE and telecom. 16-75VDC input. 220V MOSFET, PWM control, and protection on one CMOS chip. 300\/400kHz selectable. Forward or flyback topology. G package = surface mount DIP. Working Principle Integrates 220V power MOSFET, oscillator, PWM controller, 5.8V regulator, and fault protection. […]<\/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":[194],"class_list":["post-5231","post","type-post","status-publish","format-standard","hentry","category-dc-dc-converters","category-integrated-circuits-ics","chip_brand-pi"],"acf":{"brief_explanation":"DC-DC PoE converter IC, 16-75V, 24W, DIP-8 SMD","date_code":"","package_case":"DIP-8 SMD (8-SMD, gull wing, 9.9 x 7.6mm)","in_stock":8060,"datasheet":"https:\/\/www.power.com\/sites\/default\/files\/product-docs\/dpa424.pdf","price":"$3.50 @ 1ku","product_introduction":"DPA424GN-TL from Power Integrations is a highly integrated DC-DC converter IC for PoE and telecom. 16-75VDC input. 220V MOSFET, PWM control, and protection on one CMOS chip. 300\/400kHz selectable. Forward or flyback topology. G package = surface mount DIP.","working_principle":"Integrates 220V power MOSFET, oscillator, PWM controller, 5.8V regulator, and fault protection. C\/L pin sets current limit and line UV\/OV. Selectable 300\/400kHz. Auto-restart on fault. Cycle-skipping at light load for zero-load regulation.","pin_description":"
    Pin<\/th>Name<\/th>Function<\/th><\/tr>
    1<\/td>C<\/td>Control<\/td><\/tr>
    2<\/td>L<\/td>Line sense<\/td><\/tr>
    3<\/td>X<\/td>External current limit<\/td><\/tr>
    4<\/td>S<\/td>Source (return)<\/td><\/tr>
    5-7<\/td>F<\/td>Frequency select<\/td><\/tr>
    8<\/td>D<\/td>Drain (high voltage)<\/td><\/tr><\/table>","application_scenarios":"
    • Power over Ethernet (PoE)<\/li>
    • Telecom 48V distributed power<\/li>
    • Industrial 24V bus converters<\/li><\/ul>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Notes<\/th><\/tr>
      PI<\/td>DPA423GN-TL<\/td>Lower power version<\/td><\/tr>
      PI<\/td>DPA425GN-TL<\/td>Higher power version<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5231","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=5231"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5231\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5231"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5231"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5231"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}