{"id":10008,"date":"2026-07-08T08:33:37","date_gmt":"2026-07-08T08:33:37","guid":{"rendered":"https:\/\/materialparts.com\/ap2127k-3-3trg1\/"},"modified":"2026-07-08T08:33:37","modified_gmt":"2026-07-08T08:33:37","slug":"ap2127k-3-3trg1","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/ap2127k-3-3trg1\/","title":{"rendered":"AP2127K-3.3TRG1"},"content":{"rendered":"

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

The Diodes Inc AP2127K-3.3TRG1 is a 300mA ultra-low-Iq LDO providing a fixed 3.3V output in SOT-23-5 package. With only 3uA quiescent current and 300mV dropout at 300mA, it is optimized for always-on battery-powered IoT and metering applications where minimizing standby current is paramount.<\/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
\u062c\u0647\u062f \u0627\u0644\u062e\u0631\u062c<\/td>\n3.3V (fixed)<\/td>\n<\/tr>\n
\u062a\u064a\u0627\u0631 \u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/td>\n300mA<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u062f\u062e\u0627\u0644<\/td>\n2.0V to 6.0V<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u062a\u0633\u0631\u0628<\/td>\n300mV @ 300mA<\/td>\n<\/tr>\n
\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0647\u062f\u0626\u0629<\/td>\n3uA (typical)<\/td>\n<\/tr>\n
\u062a\u064a\u0627\u0631 \u0625\u064a\u0642\u0627\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n0.1uA<\/td>\n<\/tr>\n
Accuracy<\/td>\n\u00b12%<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSOT-23-5<\/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 +85 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 3uA ultra-low quiescent current<\/li>\n
  • 0.1uA shutdown current<\/li>\n
  • 300mA output current<\/li>\n

2.0V minimum input<\/li>\n<\/tr>\n
Stable with 1uF ceramic output<\/li>\n
  • Enable pin for power control<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Always-on IoT sensor power<\/li>\n
    • Smart meter 3.3V rail<\/li>\n
    • Battery-powered metering<\/li>\n
    • Energy harvesting systems<\/li>\n
    • Sleep-mode power rails<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The Diodes Inc AP2127K-3.3TRG1 is a 300mA ultra-low-Iq LDO providing a fixed 3.3V output in SOT-23-5 package. With only 3uA quiescent current and 300mV dropout at 300mA, it is optimized for always-on battery-powered IoT and metering applications where minimizing standby current is paramount. Key Specifications Output Voltage 3.3V (fixed) Output Current 300mA Input […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,32],"tags":[1300],"chip_brand":[193],"class_list":["post-10008","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo","tag-ap2127k-3-3trg1","chip_brand-diodes-inc"],"acf":{"brief_explanation":"300mA LDO, 3.3V, 3uA Iq, 300mV dropout, SOT-23-5, Diodes AP2127 ultra-low-Iq","date_code":"","package_case":"SOT-23-5 (2.9 x 1.6 x 1.15mm)","in_stock":11090,"datasheet":"https:\/\/www.diodes.com\/assets\/Datasheets\/AP2127.pdf","price":"$0.20 @ 1ku","product_introduction":"The Diodes Inc AP2127K-3.3TRG1 is a 300mA LDO providing a fixed 3.3V output with ultra-low 3uA quiescent current in SOT-23-5 package. The 3uA Iq makes it ideal for always-on battery-powered systems such as IoT sensors, smart meters, and energy harvesting applications where standby current directly determines battery life.","working_principle":"The AP2127K-3.3TRG1 uses a CMOS LDO architecture with specialized ultra-low-bias circuitry achieving 3uA quiescent current while maintaining regulation and transient response. The 2.0V minimum input voltage supports operation from a single alkaline or NiMH cell. The 0.1uA shutdown current virtually eliminates battery drain when the output is disabled. The device is stable with only 1uF ceramic output capacitor.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>VIN<\/td>Input<\/td>Input supply (2.0-6.0V)<\/td><\/tr>
      2<\/td>GND<\/td>Ground<\/td>Ground<\/td><\/tr>
      3<\/td>EN<\/td>Input<\/td>Enable (active high)<\/td><\/tr>
      4<\/td>NC<\/td>-<\/td>No connect<\/td><\/tr>
      5<\/td>VOUT<\/td>Output<\/td>3.3V regulated output<\/td><\/tr><\/table>","application_scenarios":"
      • Always-on IoT sensor 3.3V power from coin cell<\/li>
      • Smart meter 3.3V always-active rail<\/li>
      • Energy harvesting buffer regulator<\/li>
      • Low-power MCU VDD in battery backup systems<\/li>
      • Wearable sleep-mode 3.3V supply<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TI<\/td>TLV70233DBVR<\/td>SOT-23-5<\/td>1uA Iq, similar spec<\/td><\/tr>
        Diodes Inc<\/td>AP2112K-3.3TRG1<\/td>SOT-23-5<\/td>600mA, 55uA Iq<\/td><\/tr>
        Richtek<\/td>RT9080-33GJ5<\/td>TSOT-23-5<\/td>600mA, 2uA Iq<\/td><\/tr>
        Microchip<\/td>MCP1804T-3302I\/OT<\/td>SOT-23-3<\/td>50uA Iq, no EN<\/td><\/tr>
        onsemi<\/td>NCP4681SN33T1G<\/td>SOT-89-3<\/td>150mA, 50V<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/10008","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=10008"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/10008\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=10008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=10008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=10008"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=10008"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}