{"id":2493,"date":"2026-05-21T01:20:08","date_gmt":"2026-05-21T01:20:08","guid":{"rendered":"https:\/\/materialparts.com\/al5809-60p1-7\/"},"modified":"2026-05-21T01:20:08","modified_gmt":"2026-05-21T01:20:08","slug":"al5809-60p1-7","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/al5809-60p1-7\/","title":{"rendered":"AL5809-60P1-7"},"content":{"rendered":"

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

The AL5809-60P1-7 from Diodes Incorporated is a 60V, 100mA linear LED driver with adjustable constant current output set by an external resistor. It features -40mV\/C temperature coefficient, wide 2.8V to 60V operating range, and thermal shutdown in a PowerDI-123 package.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u5236\u9020\u5546<\/td>\n\u4e8c\u6781\u7ba1\u516c\u53f8<\/td>\n<\/tr>\n
\u7c7b\u578b<\/td>\nLinear Constant Current LED Driver<\/td>\n<\/tr>\n
Maximum Voltage<\/td>\n60V<\/td>\n<\/tr>\n
\u8f93\u51fa\u7535\u6d41<\/td>\nUp to 100mA (adjustable)<\/td>\n<\/tr>\n
Reference Voltage (ISET)<\/td>\n1.2V typical<\/td>\n<\/tr>\n
Current Accuracy<\/td>\n+-5%<\/td>\n<\/tr>\n
Temperature Coefficient<\/td>\n-40mV\/C (compensating)<\/td>\n<\/tr>\n
Operating Voltage<\/td>\n2.8V to 60V<\/td>\n<\/tr>\n
Thermal Shutdown<\/td>\n155C typical<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nPowerDI-123 (2.0 x 1.2mm)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40C to +105C<\/td>\n<\/tr>\n<\/table>\n

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    \n
  • 60V maximum operating voltage<\/li>\n
  • Adjustable constant current up to 100mA<\/li>\n
  • Negative temperature coefficient for LED current reduction at high temp<\/li>\n
  • +-5% current accuracy<\/li>\n
  • Wide operating range: 2.8V to 60V<\/li>\n
  • Thermal shutdown protection at 155C<\/li>\n
  • Small PowerDI-123 package<\/li>\n
  • Only one external resistor needed<\/li>\n
  • EMI-free linear operation<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • LED lighting and signage<\/li>\n
    • LED backlight for LCD displays<\/li>\n
    • Automotive interior lighting<\/li>\n
    • General-purpose constant current source<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The AL5809-60P1-7 from Diodes Incorporated is a 60V, 100mA linear LED driver with adjustable constant current output set by an external resistor. It features -40mV\/C temperature coefficient, wide 2.8V to 60V operating range, and thermal shutdown in a PowerDI-123 package. Key Specifications Manufacturer Diodes Incorporated Type Linear Constant Current LED Driver Maximum Voltage […]<\/p>\n","protected":false},"author":2,"featured_media":2777,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,33],"tags":[],"chip_brand":[136],"class_list":["post-2493","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","category-led-driver-ics","chip_brand-vishay"],"acf":{"brief_explanation":"60V 100mA linear LED driver, adjustable current, -40mV\/C temp comp, PowerDI-123","date_code":"","package_case":"PowerDI-123 (2.0 x 1.2 x 0.85mm)","in_stock":5670,"datasheet":"https:\/\/www.diodes.com\/part\/view\/AL5809","price":"$0.12 @ 1ku","product_introduction":"The Diodes Incorporated AL5809-60P1-7 is a 60V linear constant current LED driver designed to provide a simple and cost-effective solution for driving LED strings. The output current is set by a single external resistor connected to the ISET pin, with the current determined by ILED = 1.2V \/ RSET. The device features a built-in negative temperature coefficient of -40mV\/C at the ISET pin, which gradually reduces LED current at elevated temperatures to protect the LEDs from thermal damage. The wide 2.8V to 60V operating range supports long LED strings. The compact PowerDI-123 package minimizes board space while providing good thermal performance. Thermal shutdown at 155C provides additional protection.","working_principle":"The AL5809-60P1-7 operates as a linear constant current regulator: 1) Current Regulation: An internal bandgap reference generates a 1.2V reference at the ISET pin. An external resistor RSET from ISET to GND sets the LED current: ILED = 1.2V \/ RSET. An internal current mirror amplifies this reference current to drive the LED string. 2) Temperature Compensation: The negative temperature coefficient of -40mV\/C reduces the ISET reference voltage as temperature increases, automatically decreasing LED current to prevent thermal overstress. 3) Linear Regulation: The device operates as a series pass element, dropping excess voltage across its internal transistor. The dropout voltage is the minimum headroom required for regulation, typically 1.8V. 4) Thermal Protection: When junction temperature reaches 155C, the thermal shutdown circuit disables the output to prevent device damage.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>ISET<\/td>Input<\/td>Current set resistor connection (1.2V reference)<\/td><\/tr>
      2<\/td>GND<\/td>Ground<\/td>Ground<\/td><\/tr>
      3<\/td>CATHODE<\/td>Output<\/td>LED cathode connection (internal NPN collector)<\/td><\/tr><\/table>","application_scenarios":"
      • LED signage and channel letter lighting with long series strings<\/li>
      • Automotive interior LED lighting with thermal protection<\/li>
      • Constant current bias for sensor bridge circuits<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Diodes Inc<\/td>AL5809-30P1-7<\/td>PowerDI-123<\/td>30V version<\/td><\/tr>
        onsemi<\/td>NSI45020AT1G<\/td>SOD-123<\/td>20mA, 45V linear LED driver<\/td><\/tr>
        Infineon<\/td>BCL4050E6327HTSA1<\/td>SOT-23-5<\/td>50V, 50mA LED driver<\/td><\/tr>
        Microchip<\/td>MIC4801YME-TR<\/td>SOT-89-3<\/td>50mA linear LED driver<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2493","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=2493"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2493\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media\/2777"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=2493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=2493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=2493"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=2493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}