{"id":5500,"date":"2026-06-10T04:21:14","date_gmt":"2026-06-10T04:21:14","guid":{"rendered":"https:\/\/materialparts.com\/lp5907mfx-3-3-nopb\/"},"modified":"2026-06-10T04:21:14","modified_gmt":"2026-06-10T04:21:14","slug":"lp5907mfx-3-3-nopb","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/lp5907mfx-3-3-nopb\/","title":{"rendered":"LP5907MFX-3.3\/NOPB"},"content":{"rendered":"

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

The LP5907MFX-3.3\/NOPB from Texas Instruments is a 250mA ultra-low-noise LDO with fixed 3.3V output in a SOT-23-5 package. Identical to the 2.8V version except output voltage. With 6.5uVrms noise, 82dB PSRR at 1kHz, and 25uA Iq, it is the go-to LDO for clean 3.3V RF and analog supplies.<\/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
\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>\n250mA<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u062a\u0633\u0631\u0628<\/td>\n110mV @ 250mA<\/td>\n<\/tr>\n
Noise<\/td>\n6.5uVrms (10Hz-100kHz)<\/td>\n<\/tr>\n
PSRRR<\/td>\n82dB @ 1kHz<\/td>\n<\/tr>\n
Iq<\/td>\n25uA typical<\/td>\n<\/tr>\n
Shutdown Iq<\/td>\n1uA<\/td>\n<\/tr>\n
Accuracy<\/td>\n+\/-2%<\/td>\n<\/tr>\n
Vin Range<\/td>\n2.7V to 5.5V<\/td>\n<\/tr>\n
Operating Temp<\/td>\n-40 to +125 C<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSOT-23-5<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 6.5uVrms ultra-low output noise<\/li>\n
  • 82dB PSRR at 1kHz<\/li>\n
  • 250mA output with 110mV dropout<\/li>\n
  • 25uA Iq with 1uA shutdown<\/li>\n
  • +\/-2% accuracy over temperature<\/li>\n
  • Stable with 1uF ceramic capacitor<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • RF transceiver 3.3V supply<\/li>\n
    • WiFi\/BLE module power<\/li>\n
    • Audio DAC analog supply<\/li>\n
    • Low-noise sensor power<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The LP5907MFX-3.3\/NOPB from Texas Instruments is a 250mA ultra-low-noise LDO with fixed 3.3V output in a SOT-23-5 package. Identical to the 2.8V version except output voltage. With 6.5uVrms noise, 82dB PSRR at 1kHz, and 25uA Iq, it is the go-to LDO for clean 3.3V RF and analog supplies. Key Specifications Output Voltage 3.3V […]<\/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":[],"class_list":["post-5500","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo"],"acf":{"brief_explanation":"250mA LDO, 3.3V fixed, 6.5uVrms noise, SOT-23-5","date_code":"","package_case":"SOT-23-5 (2.9 x 1.6 mm)","in_stock":8990,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/lp5907.pdf","price":"$0.60 @ 1ku","product_introduction":"The LP5907MFX-3.3\/NOPB from Texas Instruments is a 250mA ultra-low-noise LDO with fixed 3.3V output in a SOT-23-5 package. Identical to the 2.8V version except output voltage. With 6.5uVrms noise, 82dB PSRR at 1kHz, and 25uA Iq, it is the go-to LDO for clean 3.3V RF and analog supplies.","working_principle":"The LP5907MFX-3.3\/NOPB 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<\/td>EN<\/td>Input<\/td>Enable (active high)<\/td><\/tr>
      2<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr>
      3<\/td>IN<\/td>Input<\/td>Unregulated input (2.7-5.5V)<\/td><\/tr>
      4<\/td>OUT<\/td>Output<\/td>Regulated 3.3V output<\/td><\/tr>
      5<\/td>NC<\/td>-<\/td>No connect<\/td><\/tr><\/table>","application_scenarios":"
      • RF transceiver 3.3V supply<\/li>
      • WiFi\/BLE module power<\/li>
      • Audio DAC analog supply<\/li>
      • Low-noise sensor power<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Package<\/th>Notes<\/th><\/tr>
        LP5907MFX-2.8\/NOPB<\/td>TI<\/td>SOT-23-5<\/td>2.8V version<\/td><\/tr>
        TLV70033DDCR<\/td>TI<\/td>SOT-23-5<\/td>Lower cost alternative<\/td><\/tr>
        TPS73633DBVR<\/td>TI<\/td>SOT-23-5<\/td>300mA, similar spec<\/td><\/tr>
        ADP122AUJZ-3.3-R7<\/td>ADI<\/td>TSOT-23-5<\/td>500mA alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/5500","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=5500"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/5500\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=5500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=5500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=5500"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=5500"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}