{"id":2965,"date":"2026-05-28T15:24:11","date_gmt":"2026-05-28T15:24:11","guid":{"rendered":"https:\/\/materialparts.com\/mic29302awu-tr\/"},"modified":"2026-05-28T15:24:11","modified_gmt":"2026-05-28T15:24:11","slug":"mic29302awu-tr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/mic29302awu-tr\/","title":{"rendered":"MIC29302AWU-TR"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The MIC29302AWU-TR from Microchip Technology is a 3A Fast Response Low-Dropout (LDO) Voltage Regulator in a TO-263-5 surface mount package. It features adjustable output voltage from 1.24V to 15V, 560 mV dropout at full load, and very fast transient response.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0646\u0648\u0639 \u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/td>\nAdjustable<\/td>\n<\/tr>\n
Output Voltage Range<\/td>\n1.24 V to 15 V<\/td>\n<\/tr>\n
Max Output Current<\/td>\n3 A<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u062a\u0633\u0631\u0628<\/td>\n450 mV typ @ 3A<\/td>\n<\/tr>\n
\u0646\u0637\u0627\u0642 \u062c\u0647\u062f \u0627\u0644\u0625\u062f\u062e\u0627\u0644<\/td>\n3 V to 16 V<\/td>\n<\/tr>\n
Accuracy<\/td>\n\u00b12%<\/td>\n<\/tr>\n
Ground Current<\/td>\nLow (typical)<\/td>\n<\/tr>\n
Enable Pin<\/td>\nYes (TTL\/CMOS)<\/td>\n<\/tr>\n
Error Flag<\/td>\nYes<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 +125 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nTO-263-5 (D2PAK)<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • High current capability: 3A over full temperature range<\/li>\n
  • Low dropout voltage of 450 mV at full load<\/li>\n
  • Very fast transient response<\/li>\n
  • Accurate 1% guaranteed output tolerance<\/li>\n
  • Adjustable output from 1.24V to 15V via external resistors<\/li>\n
  • Zero-current shutdown mode via EN pin<\/li>\n
  • Error flag signals output out-of-regulation<\/li>\n
  • Full protection: overcurrent, reversed input, overtemperature<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Processor peripheral and I\/O supplies<\/li>\n
    • High-efficiency green computer systems<\/li>\n
    • Automotive electronics<\/li>\n
    • Battery-powered equipment<\/li>\n
    • Post-regulator for switching supplies<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MIC29302AWU-TR from Microchip Technology is a 3A Fast Response Low-Dropout (LDO) Voltage Regulator in a TO-263-5 surface mount package. It features adjustable output voltage from 1.24V to 15V, 560 mV dropout at full load, and very fast transient response. Key Specifications Output Type Adjustable Output Voltage Range 1.24 V to 15 V […]<\/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":[134],"class_list":["post-2965","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo","chip_brand-microchip"],"acf":{"brief_explanation":"3A adjustable LDO, 1.24-15V output, 450mV dropout, TO-263-5, fast transient response","date_code":"","package_case":"TO-263-5 (10.67 x 9.17 x 4.6 mm)","in_stock":7577,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/20005897B.pdf","price":"","product_introduction":"The MIC29302AWU-TR is a high-current, low-dropout voltage regulator from Microchip Technology using the proprietary Super Beta PNP process with a PNP pass element. The 3A LDO features 450 mV dropout voltage at full load and very low ground current. Designed for high-current loads, it also excels in lower current, low-dropout critical systems. The adjustable output can be set from 1.24V to 15V using two external resistors. The device includes comprehensive protection against overcurrent, reversed input, and overtemperature conditions.","working_principle":"The MIC29302AWU-TR uses a PNP pass transistor in a common-emitter configuration to achieve low dropout voltage. An error amplifier compares a fraction of the output voltage (set by external feedback resistors) with an internal 1.24V bandgap reference, and drives the PNP pass element to maintain regulation. The EN pin enables TTL\/CMOS-controlled shutdown, reducing supply current to near zero. The error flag output becomes active when the output drops out of regulation. Current limiting and thermal shutdown provide fault protection. The Super Beta PNP process minimizes base current, resulting in very low ground current.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>EN<\/td>Input<\/td>Enable input (active high, TTL\/CMOS compatible)<\/td><\/tr>
      2<\/td>IN<\/td>Power<\/td>Unregulated input voltage (3-16V)<\/td><\/tr>
      3<\/td>GND<\/td>Ground<\/td>Ground \/ Tab<\/td><\/tr>
      4<\/td>OUT<\/td>Output<\/td>Regulated output voltage<\/td><\/tr>
      5<\/td>ADJ<\/td>Input<\/td>Feedback adjustment pin for output voltage set<\/td><\/tr><\/table>","application_scenarios":"
      • Processor and FPGA I\/O power supplies<\/li>
      • High-efficiency green computer systems<\/li>
      • Automotive ECU power regulation<\/li>
      • Post-regulation after switching converters<\/li>
      • Battery-powered portable equipment<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Microchip<\/td>MIC29302AWD-TR<\/td>TO-252-5<\/td>Smaller DPAK package<\/td><\/tr>
        Microchip<\/td>MIC29150-3.3WT<\/td>TO-263-3<\/td>Fixed 3.3V, 1.5A version<\/td><\/tr>
        Texas Instruments<\/td>LM1085IT-ADJ<\/td>TO-263-3<\/td>3A adjustable LDO alternative<\/td><\/tr>
        Infineon<\/td>TLE4274<\/td>TO-263-5<\/td>Automotive 200mA LDO<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2965","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=2965"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2965\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=2965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=2965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=2965"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=2965"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}