{"id":10005,"date":"2026-07-08T08:33:32","date_gmt":"2026-07-08T08:33:32","guid":{"rendered":"https:\/\/materialparts.com\/ncp511sn33t1g-2\/"},"modified":"2026-07-08T08:33:32","modified_gmt":"2026-07-08T08:33:32","slug":"ncp511sn33t1g-2","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/ncp511sn33t1g-2\/","title":{"rendered":"NCP511SN33T1G"},"content":{"rendered":"

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

The onsemi NCP511SN33T1G is a 150mA low-noise LDO providing a fixed 3.3V output in SOT-23-5 package. With 30uVrms output noise, 75dB PSRR at 1kHz, and 250mV dropout at 150mA, it delivers ultra-clean power for noise-sensitive RF and precision analog applications.<\/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>\n150mA<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u062f\u062e\u0627\u0644<\/td>\n2.5V to 6.0V<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u062a\u0633\u0631\u0628<\/td>\n250mV @ 150mA<\/td>\n<\/tr>\n
\u0636\u0648\u0636\u0627\u0621 \u0627\u0644\u0625\u062e\u0631\u0627\u062c<\/td>\n30uVrms (10Hz-100kHz)<\/td>\n<\/tr>\n
PSRRR<\/td>\n75dB @ 1kHz<\/td>\n<\/tr>\n
\u062a\u064a\u0627\u0631 \u0627\u0644\u062a\u0647\u062f\u0626\u0629<\/td>\n40uA (typical)<\/td>\n<\/tr>\n
Accuracy<\/td>\n\u00b1 1%<\/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 +125 \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
  • 30uVrms ultra-low output noise<\/li>\n
  • 75dB PSRR at 1kHz<\/li>\n
  • \u00b11% output accuracy<\/li>\n
  • Noise bypass pin<\/li>\n
  • 40uA low quiescent current<\/li>\n
  • Stable with 1uF ceramic output<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • RF module clean power<\/li>\n
    • ADC\/DAC reference supply<\/li>\n
    • Precision analog front-end<\/li>\n
    • GPS receiver supply<\/li>\n
    • Audio codec power<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The onsemi NCP511SN33T1G is a 150mA low-noise LDO providing a fixed 3.3V output in SOT-23-5 package. With 30uVrms output noise, 75dB PSRR at 1kHz, and 250mV dropout at 150mA, it delivers ultra-clean power for noise-sensitive RF and precision analog applications. Key Specifications Output Voltage 3.3V (fixed) Output Current 150mA Input Voltage 2.5V to […]<\/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":[1243],"chip_brand":[144],"class_list":["post-10005","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo","tag-ncp511sn33t1g","chip_brand-on"],"acf":{"brief_explanation":"150mA LDO, 3.3V, 30uVrms noise, 75dB PSRR, SOT-23-5, onsemi NCP511","date_code":"","package_case":"SOT-23-5 (2.9 x 1.6 x 1.15mm)","in_stock":5374,"datasheet":"https:\/\/www.onsemi.com\/pdf\/datasheet\/ncp511-d.pdf","price":"$0.45 @ 1ku","product_introduction":"The onsemi NCP511SN33T1G is a 150mA ultra-low-noise LDO providing a fixed 3.3V output with 30uVrms output noise and 75dB PSRR in SOT-23-5 package. It is designed for the most noise-sensitive RF and precision analog applications where supply cleanliness directly impacts system performance, such as GPS receivers, ADC\/DAC references, and RF modules.","working_principle":"The NCP511SN33T1G uses a CMOS LDO architecture with a noise bypass (BP) pin connected to the internal bandgap reference. An external capacitor on the BP pin (typically 22nF) filters reference noise, achieving 30uVrms output noise and 75dB PSRR. The \u00b11% accuracy is maintained over temperature and load. The 40uA quiescent current provides a good balance between noise performance and battery life for portable applications.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>VIN<\/td>Input<\/td>Input supply (2.5-6.0V)<\/td><\/tr>
      2<\/td>GND<\/td>Ground<\/td>Ground<\/td><\/tr>
      3<\/td>EN<\/td>Input<\/td>Enable (active high)<\/td><\/tr>
      4<\/td>BP<\/td>I\/O<\/td>Noise bypass capacitor<\/td><\/tr>
      5<\/td>VOUT<\/td>Output<\/td>3.3V regulated output<\/td><\/tr><\/table>","application_scenarios":"
      • GPS receiver LNA clean 3.3V supply<\/li>
      • 24-bit ADC voltage reference supply<\/li>
      • RF transceiver VDD noise filtering<\/li>
      • Audio codec analog 3.3V rail<\/li>
      • Precision sensor signal conditioning supply<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TI<\/td>TPS73633DBVR<\/td>SOT-23-5<\/td>400mA, 30uVrms<\/td><\/tr>
        Richtek<\/td>RT9193-33GB<\/td>SOT-23-5<\/td>300mA, ultra-low noise<\/td><\/tr>
        ADI<\/td>LT1761ES5-3.3#TRMPBF<\/td>SOT-23-5<\/td>20uVrms, lowest noise<\/td><\/tr>
        onsemi<\/td>NCP512SN33T1G<\/td>SOT-23-5<\/td>250mA version<\/td><\/tr>
        TI<\/td>TLV70033DDCR<\/td>SOT-23-5<\/td>300mA, 48uVrms<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/10005","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=10005"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/10005\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=10005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=10005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=10005"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=10005"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}