{"id":8552,"date":"2026-06-29T05:13:09","date_gmt":"2026-06-29T05:13:09","guid":{"rendered":"https:\/\/materialparts.com\/ncp5500dt33rkg\/"},"modified":"2026-06-29T05:13:09","modified_gmt":"2026-06-29T05:13:09","slug":"ncp5500dt33rkg","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/ncp5500dt33rkg\/","title":{"rendered":"NCP5500DT33RKG"},"content":{"rendered":"

Productos<\/h2>\n

The NCP5500DT33RKG from onsemi is a 150mA ultra-low quiescent current LDO regulator with a fixed 3.3V output. Featuring an exceptionally low 3.5uA ground current and wide 3.5V to 40V input range, it is specifically designed for always-on battery-powered and automotive applications where minimal standby power consumption is critical.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n
Output Voltage<\/td>\n3.3V fixed (plus\/minus 2% accuracy)<\/td>\n<\/tr>\n
Max Output Current<\/td>\n150mA<\/td>\n<\/tr>\n
Input Voltage Range<\/td>\n3.5V ~ 40V<\/td>\n<\/tr>\n
Dropout Voltage<\/td>\n300mV (typical, 150mA load)<\/td>\n<\/tr>\n
Corriente de reposo<\/td>\n3.5uA (typical, no load)<\/td>\n<\/tr>\n
Output Noise<\/td>\n60uVrms (10Hz~100kHz)<\/td>\n<\/tr>\n
PSRR<\/td>\n75dB @ 1kHz<\/td>\n<\/tr>\n
Enable Pin<\/td>\nActive-high EN<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40C ~ +125C<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • Ultra-low 3.5uA quiescent current for long battery life<\/li>\n
  • Wide 40V maximum input voltage for automotive transients<\/li>\n
  • 75dB PSRR for clean output in noisy environments<\/li>\n
  • Enable pin for power sequencing and standby control<\/li>\n
  • Thermal shutdown and short-circuit current limiting<\/li>\n
  • 60uVrms output noise suitable for RF and precision analog<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Automotive body electronics and ECU standby power<\/li>\n
    • Battery-powered IoT sensor nodes<\/li>\n
    • Low-power microcontroller supply rails<\/li>\n
    • Always-on power management in portable devices<\/li>\n
    • Industrial 4-20mA loop-powered instruments<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The NCP5500DT33RKG from onsemi is a 150mA ultra-low quiescent current LDO regulator with a fixed 3.3V output. Featuring an exceptionally low 3.5uA ground current and wide 3.5V to 40V input range, it is specifically designed for always-on battery-powered and automotive applications where minimal standby power consumption is critical. Key Specifications Output Voltage 3.3V […]<\/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":[],"chip_brand":[144],"class_list":["post-8552","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo","chip_brand-on"],"acf":{"brief_explanation":"onsemi 150mA 3.3V LDO, 3.5uA Iq, 40V max input, DPAK, enable pin","date_code":"","package_case":"DPAK (DT suffix, Tab=VOUT)","in_stock":6012,"datasheet":"https:\/\/www.onsemi.com\/pub\/Collateral\/NCP5500-D.PDF","price":"$0.38 @ 1ku","product_introduction":"The NCP5500DT33RKG from onsemi is a 150mA low-dropout linear regulator with a fixed 3.3V output, housed in a DPAK surface-mount package. The device stands out for its ultra-low quiescent current of 3.5uA typical, making it one of the most power-efficient LDOs in its class for always-on applications. The wide input voltage range of 3.5V to 40V accommodates automotive battery rails with full load-dump transient headroom. With a dropout voltage of only 300mV at 150mA, the NCP5500 can maintain regulation from a single Li-Ion cell or a 5V rail. The active-high enable pin allows external power sequencing or microcontroller-controlled shutdown, reducing system standby current to near-zero levels. The device also provides 75dB PSRR at 1kHz and only 60uVrms output noise, ensuring a clean supply for noise-sensitive RF and precision analog circuits.","working_principle":"The NCP5500DT33RKG uses a P-channel MOSFET pass transistor controlled by an error amplifier that compares a fraction of the output voltage to an internal 1.23V bandgap reference. The feedback divider is internal for the fixed 3.3V output version. The enable (EN) pin controls the gate bias of the pass transistor; when EN is driven high (above 1.5V), the pass transistor is enabled and regulation begins. When EN is low (below 0.5V), the pass transistor is cut off, reducing the device current to sub-microamp levels. The thermal shutdown circuit disables the output when the junction temperature exceeds approximately 150C, while the short-circuit current limiter clamps the output current to approximately 200mA during fault conditions. The internal compensation network ensures stability with a 10uF output capacitor.","pin_description":"\n
      Pin<\/th>Name<\/th>Function<\/th><\/tr>\n
      1<\/td>VIN<\/td>Input Supply (3.5V ~ 40V)<\/td><\/tr>\n
      2<\/td>GND<\/td>Ground<\/td><\/tr>\n
      3<\/td>EN<\/td>Enable Input (active high)<\/td><\/tr>\n
      Tab<\/td>VOUT<\/td>3.3V Output \/ Thermal Pad<\/td><\/tr>\n<\/table>","application_scenarios":"
        \n
      • Automotive standby power: Maintain 3.3V MCU supply from the 12V battery bus with only 3.5uA drain during sleep mode<\/li>\n
      • IoT sensor nodes: Power BLE or LoRa modules from a single Li-SOCl2 cell with minimal quiescent loss<\/li>\n
      • Low-power MCU rails: Supply always-on microcontrollers in smart meters and building automation controllers<\/li>\n
      • Portable medical devices: Regulate battery voltage for precision ADC reference rails with 60uVrms noise<\/li>\n
      • 4-20mA loop instruments: Derive a clean 3.3V rail from the loop supply without loading the current loop<\/li>\n<\/ul>","alternative_models":"\n
        Model<\/th>Brand<\/th>Iout<\/th>Iq<\/th>Vin Max<\/th><\/tr>\n
        NCV5500DT33RKG<\/td>onsemi<\/td>150mA<\/td>3.5uA<\/td>40V<\/td><\/tr>\n
        TPS70933DBVR<\/td>TI<\/td>150mA<\/td>1uA<\/td>30V<\/td><\/tr>\n
        HT7133-1<\/td>Holtek<\/td>30mA<\/td>3uA<\/td>24V<\/td><\/tr>\n
        ME6211A33M3G<\/td>Microne<\/td>250mA<\/td>2.5uA<\/td>18V<\/td><\/tr>\n
        XC6206P332MR<\/td>Torex<\/td>200mA<\/td>1uA<\/td>6V<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/8552","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=8552"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/8552\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=8552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=8552"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=8552"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=8552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}