{"id":5499,"date":"2026-06-10T04:21:12","date_gmt":"2026-06-10T04:21:12","guid":{"rendered":"https:\/\/materialparts.com\/lp5907mfx-2-8-nopb\/"},"modified":"2026-06-10T04:21:12","modified_gmt":"2026-06-10T04:21:12","slug":"lp5907mfx-2-8-nopb","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/lp5907mfx-2-8-nopb\/","title":{"rendered":"LP5907MFX-2.8\/NOPB"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The LP5907MFX-2.8\/NOPB from Texas Instruments is a 250mA ultra-low-noise LDO with fixed 2.8V output in a SOT-23-5 package. With 6.5uVrms output noise, 82dB PSRR at 1kHz, and only 1uA Iq in enable-off, it provides clean power for RF and sensitive analog circuits in portable devices.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
Output Voltage<\/td>\n2.8V fixed<\/td>\n<\/tr>\n
\u8f93\u51fa\u7535\u6d41<\/td>\n250mA<\/td>\n<\/tr>\n
Dropout Voltage<\/td>\n110mV @ 250mA<\/td>\n<\/tr>\n
Noise<\/td>\n6.5uVrms (10Hz-100kHz)<\/td>\n<\/tr>\n
PSRR<\/td>\n82dB @ 1kHz, 55dB @ 100kHz<\/td>\n<\/tr>\n
Iq<\/td>\n25uA typical<\/td>\n<\/tr>\n
Shutdown Iq<\/td>\n1uA<\/td>\n<\/tr>\n
Accuracy<\/td>\n+\/-2% over line\/load\/temp<\/td>\n<\/tr>\n
Vin Range<\/td>\n2.2V to 5.5V<\/td>\n<\/tr>\n
Operating Temp<\/td>\n-40 to +125 C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOT-23-5<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 6.5uVrms ultra-low output noise<\/li>\n
  • 82dB PSRR at 1kHz for RF supply clean-up<\/li>\n
  • 250mA output with 110mV dropout<\/li>\n
  • 25uA Iq with 1uA shutdown current<\/li>\n
  • +\/-2% output accuracy over temperature<\/li>\n
  • Stable with 1uF ceramic output capacitor<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • RF power amplifier clean supply<\/li>\n
    • PLL\/VCO power supply<\/li>\n
    • Audio codec analog supply<\/li>\n
    • Camera sensor power<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The LP5907MFX-2.8\/NOPB from Texas Instruments is a 250mA ultra-low-noise LDO with fixed 2.8V output in a SOT-23-5 package. With 6.5uVrms output noise, 82dB PSRR at 1kHz, and only 1uA Iq in enable-off, it provides clean power for RF and sensitive analog circuits in portable devices. Key Specifications Output Voltage 2.8V fixed Output Current […]<\/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-5499","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo"],"acf":{"brief_explanation":"250mA LDO, 2.8V fixed, 6.5uVrms noise, SOT-23-5","date_code":"","package_case":"SOT-23-5 (2.9 x 1.6 mm)","in_stock":8894,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/lp5907.pdf","price":"$0.60 @ 1ku","product_introduction":"The LP5907MFX-2.8\/NOPB from Texas Instruments is a 250mA ultra-low-noise LDO with fixed 2.8V output in a SOT-23-5 package. With 6.5uVrms output noise, 82dB PSRR at 1kHz, and only 1uA Iq in enable-off, it provides clean power for RF and sensitive analog circuits in portable devices.","working_principle":"The LP5907MFX-2.8\/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 (2.2-5.5V)<\/td><\/tr>
      4<\/td>OUT<\/td>Output<\/td>Regulated 2.8V output<\/td><\/tr>
      5<\/td>NC<\/td>-<\/td>No connect<\/td><\/tr><\/table>","application_scenarios":"
      • RF power amplifier clean supply<\/li>
      • PLL\/VCO power supply<\/li>
      • Audio codec analog supply<\/li>
      • Camera sensor power<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Package<\/th>Notes<\/th><\/tr>
        LP5907MFX-3.3\/NOPB<\/td>TI<\/td>SOT-23-5<\/td>3.3V fixed version<\/td><\/tr>
        TLV70028DDCR<\/td>TI<\/td>SOT-23-5<\/td>Lower cost, higher noise<\/td><\/tr>
        TPS73628DBVR<\/td>TI<\/td>SOT-23-5<\/td>300mA, similar noise<\/td><\/tr>
        ADP122AUJZ-2.8-R7<\/td>ADI<\/td>TSOT-23-5<\/td>500mA, higher noise<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5499","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=5499"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5499\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5499"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}