{"id":3700,"date":"2026-06-08T02:14:08","date_gmt":"2026-06-08T02:14:08","guid":{"rendered":"https:\/\/materialparts.com\/ncv551sn50t1g\/"},"modified":"2026-06-08T02:14:08","modified_gmt":"2026-06-08T02:14:08","slug":"ncv551sn50t1g","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/ncv551sn50t1g\/","title":{"rendered":"NCV551SN50T1G"},"content":{"rendered":"

Productos<\/h2>\n

The NCV551SN50T1G from onsemi is a 150mA low-noise, low-dropout voltage regulator with a fixed 5.0V output. It features 350mV dropout, 45uA ground current, and automotive AEC-Q100 qualification in a SOT-23-5 package.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n
Output Voltage<\/td>\n5.0V Fixed<\/td>\n<\/tr>\n
Corriente de salida<\/td>\n150mA<\/td>\n<\/tr>\n
Input Voltage Range<\/td>\n5.35V to 12V<\/td>\n<\/tr>\n
Dropout Voltage<\/td>\n350mV (typ @ 150mA)<\/td>\n<\/tr>\n
Ground Current<\/td>\n45uA (typ)<\/td>\n<\/tr>\n
PSRR<\/td>\n65dB @ 1kHz<\/td>\n<\/tr>\n
Output Noise<\/td>\n30uVRMS<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40 to 125 C<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 150mA output current capability<\/li>\n
  • Low dropout voltage of 350mV at 150mA<\/li>\n
  • Low ground current of 45uA<\/li>\n
  • 65dB PSRR at 1kHz<\/li>\n
  • Stable with 2.2uF ceramic capacitors<\/li>\n
  • Enable pin for power sequencing<\/li>\n
  • Overcurrent and overtemperature protection<\/li>\n
  • AEC-Q100 qualified<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Automotive ECU power regulation<\/li>\n
    • Post-regulation for DC\/DC converters<\/li>\n
    • Infotainment system power<\/li>\n
    • ADAS sensor power supplies<\/li>\n
    • Portable and battery-powered automotive devices<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The NCV551SN50T1G from onsemi is a 150mA low-noise, low-dropout voltage regulator with a fixed 5.0V output. It features 350mV dropout, 45uA ground current, and automotive AEC-Q100 qualification in a SOT-23-5 package. Key Specifications Output Voltage 5.0V Fixed Output Current 150mA Input Voltage Range 5.35V to 12V Dropout Voltage 350mV (typ @ 150mA) Ground […]<\/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":[144],"class_list":["post-3700","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo","chip_brand-on"],"acf":{"brief_explanation":"150mA LDO, 5.0V fixed, 350mV dropout, 45uA Iq, AEC-Q100, SOT-23-5","date_code":"","package_case":"SOT-23-5 (2.9 x 1.6 x 1.1 mm)","in_stock":14248,"datasheet":"https:\/\/www.onsemi.com\/pub\/Collateral\/NCV551-D.PDF","price":"$0.46 @ 1ku","product_introduction":"The NCV551SN50T1G from onsemi is a 150mA low-noise, low-dropout voltage regulator with a fixed 5.0V output, designed for automotive and battery-powered applications. The device features a low dropout voltage of 350mV at 150mA and a ground current of only 45uA, making it suitable for always-on power rails in automotive systems. With a PSRR of 65dB at 1kHz and output noise of 30uVRMS, it effectively attenuates input supply noise for sensitive analog circuits. The device is stable with 2.2uF ceramic output capacitors and features an enable pin for power sequencing control. AEC-Q100 qualified, the NCV551SN50T1G operates over the -40 to 125 C automotive temperature range in a compact SOT-23-5 package.","working_principle":"The NCV551SN50T1G operates as a PMOS LDO voltage regulator. Key subsystems include: (1) Voltage Reference - an internal bandgap reference provides the stable 5.0V reference voltage; (2) Error Amplifier - compares a fraction of the output voltage with the internal reference and drives the PMOS gate; (3) PMOS Pass Element - a P-channel MOSFET provides regulation with 350mV dropout at 150mA; (4) Enable Logic - an active-high enable pin controls the pass transistor on\/off state; (5) Protection - overcurrent limiting and thermal shutdown protect the device under fault conditions; (6) Compensation - internal frequency compensation ensures stability with 2.2uF ceramic output capacitors.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>VIN<\/td>Input<\/td>Input voltage supply<\/td><\/tr>
      2<\/td>GND<\/td>Ground<\/td>Ground connection<\/td><\/tr>
      3<\/td>EN<\/td>Input<\/td>Enable input (active high)<\/td><\/tr>
      4<\/td>NC<\/td>Unused<\/td>No connect<\/td><\/tr>
      5<\/td>VOUT<\/td>Output<\/td>Regulated 5.0V output<\/td><\/tr><\/table>","application_scenarios":"
      • Automotive ECU 5V power regulation from 12V battery<\/li>
      • Post-regulation after DC\/DC converters for noise-sensitive loads<\/li>
      • Infotainment and ADAS system 5V power rails<\/li>
      • Automotive sensor power supply with low-noise requirements<\/li>
      • Portable and battery-powered automotive device power<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        onsemi<\/td>NCV551SN33T1G<\/td>SOT-23-5<\/td>3.3V fixed version<\/td><\/tr>
        Texas Instruments<\/td>TLV1117-50IDCYR<\/td>SOT-223<\/td>800mA, 5.0V LDO<\/td><\/tr>
        Microchip<\/td>MIC5205-5.0YM5-TR<\/td>SOT-23-5<\/td>150mA, 5.0V LDO<\/td><\/tr>
        Diodes Inc<\/td>AP2112K-5.0TRG1<\/td>SOT-23-5<\/td>600mA, 5.0V LDO<\/td><\/tr>
        Infineon<\/td>TLE4274SV<\/td>SOT-223<\/td>200mA, 5.0V, automotive<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/3700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=3700"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/3700\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=3700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=3700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=3700"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=3700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}