{"id":5485,"date":"2026-06-10T04:01:35","date_gmt":"2026-06-10T04:01:35","guid":{"rendered":"https:\/\/materialparts.com\/mic28515t-e-pha\/"},"modified":"2026-06-10T04:01:35","modified_gmt":"2026-06-10T04:01:35","slug":"mic28515t-e-pha","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/mic28515t-e-pha\/","title":{"rendered":"MIC28515T-E\/PHA"},"content":{"rendered":"

Productos<\/h2>\n

The MIC28515T-E\/PHA from Microchip Technology is a 75V, 4A synchronous buck converter in a 28-pin HTSSOP package. With integrated 100mOhm\/60mOhm MOSFETs, 150kHz-750kHz programmable switching frequency, and 4.5-75V input range, it delivers up to 4A continuous output current for industrial and automotive power systems.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Input Voltage<\/td>\n4.5V to 75V<\/td>\n<\/tr>\n
Output Voltage<\/td>\n0.8V adjustable<\/td>\n<\/tr>\n
Corriente de salida<\/td>\n4A continuous<\/td>\n<\/tr>\n
High-Side Rds(on)<\/td>\n100mOhm<\/td>\n<\/tr>\n
Low-Side Rds(on)<\/td>\n60mOhm<\/td>\n<\/tr>\n
Switching Frequency<\/td>\n150kHz-750kHz (programmed by resistor)<\/td>\n<\/tr>\n
Iq<\/td>\n5.5mA typical<\/td>\n<\/tr>\n
Shutdown Current<\/td>\n2uA<\/td>\n<\/tr>\n
Reference Voltage<\/td>\n0.8V +\/-1.5%<\/td>\n<\/tr>\n
Protection<\/td>\nOCP, OVP, UVLO, thermal shutdown<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40 to +125 C<\/td>\n<\/tr>\n
Paquete<\/td>\nHTSSOP-28 (EP)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 75V maximum input for industrial\/automotive<\/li>\n
  • 4A continuous output with integrated MOSFETs<\/li>\n
  • Synchronous rectification for high efficiency<\/li>\n
  • 150-750kHz programmable switching frequency<\/li>\n
  • Power Good output and external compensation<\/li>\n
  • OCP, OVP, UVLO, and thermal protection<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • 48V telecom and datacom power<\/li>\n
    • Industrial 24V\/48V distributed power<\/li>\n
    • Automotive 12V\/24V battery systems<\/li>\n
    • LED driver power supplies<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MIC28515T-E\/PHA from Microchip Technology is a 75V, 4A synchronous buck converter in a 28-pin HTSSOP package. With integrated 100mOhm\/60mOhm MOSFETs, 150kHz-750kHz programmable switching frequency, and 4.5-75V input range, it delivers up to 4A continuous output current for industrial and automotive power systems. Key Specifications Input Voltage 4.5V to 75V Output Voltage 0.8V […]<\/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":[134],"class_list":["post-5485","post","type-post","status-publish","format-standard","hentry","category-dc-dc-converters","category-integrated-circuits-ics","chip_brand-microchip"],"acf":{"brief_explanation":"4A buck, 75V max, 150kHz, HTSSOP-28","date_code":"","package_case":"HTSSOP-28 (9.7 x 4.4 mm, EP)","in_stock":12561,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/MIC28515-75V-4A-Synchronous-Buck-Converter-DS20006209A.pdf","price":"$4.50 @ 1ku","product_introduction":"The MIC28515T-E\/PHA from Microchip Technology is a 75V, 4A synchronous buck converter in a 28-pin HTSSOP package. With integrated 100mOhm\/60mOhm MOSFETs, 150kHz-750kHz programmable switching frequency, and 4.5-75V input range, it delivers up to 4A continuous output current for industrial and automotive power systems.","working_principle":"The MIC28515T-E\/PHA operates as described in the product overview. Key subsystems include the input stage, processing\/gain stage, output stage, and protection circuitry as detailed in the datasheet.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1-4<\/td>VIN\/EN\/SS<\/td>Power\/Input<\/td>Input, enable, soft-start<\/td><\/tr>
      5-12<\/td>COMP\/PG\/FSW<\/td>I\/O<\/td>Compensation, power good, frequency<\/td><\/tr>
      13-18<\/td>BST\/SW<\/td>Power<\/td>Bootstrap and switch node<\/td><\/tr>
      19-24<\/td>GND\/PGND<\/td>Power<\/td>Ground<\/td><\/tr>
      25-28<\/td>FB\/PG<\/td>Input\/Output<\/td>Feedback and power good<\/td><\/tr>
      PAD<\/td>GND<\/td>Power<\/td>Thermal pad<\/td><\/tr><\/table>","application_scenarios":"
      • 48V telecom and datacom power<\/li>
      • Industrial 24V\/48V distributed power<\/li>
      • Automotive 12V\/24V battery systems<\/li>
      • LED driver power supplies<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Package<\/th>Notes<\/th><\/tr>
        MIC28516YJL<\/td>Microchip<\/td>VQFN-32<\/td>Higher current version<\/td><\/tr>
        TPS54560DDAR<\/td>TI<\/td>SOIC-8<\/td>5A, 60V, smaller package<\/td><\/tr>
        LMR36506RFRPER<\/td>TI<\/td>VQFN-12<\/td>0.5A, 65V, tiny<\/td><\/tr>
        LTC3643EFE#PBF<\/td>ADI<\/td>TSSOP-28<\/td>Similar 75V buck<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5485","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=5485"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/5485\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=5485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=5485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=5485"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=5485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}