{"id":2741,"date":"2026-05-25T02:06:04","date_gmt":"2026-05-25T02:06:04","guid":{"rendered":"https:\/\/materialparts.com\/mic5319-3-3yd5-tr\/"},"modified":"2026-05-25T02:06:04","modified_gmt":"2026-05-25T02:06:04","slug":"mic5319-3-3yd5-tr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/mic5319-3-3yd5-tr\/","title":{"rendered":"MIC5319-3.3YD5-TR"},"content":{"rendered":"

Productos<\/h2>\n

The MIC5319-3.3YD5-TR from Microchip is a 500mA LDO regulator with fixed 3.3V output in a SOT-23-5 package. Featuring 150mV dropout at 500mA, low 24uA ground current, and PSRR of 70dB at 1kHz, it is designed for noise-sensitive RF and portable applications.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n
Output Voltage<\/td>\n3.3V fixed<\/td>\n<\/tr>\n
Corriente de salida<\/td>\n500mA<\/td>\n<\/tr>\n
Dropout Voltage<\/td>\n150mV @ 500mA<\/td>\n<\/tr>\n
Ground Current<\/td>\n24uA typical<\/td>\n<\/tr>\n
PSRR<\/td>\n70dB @ 1kHz<\/td>\n<\/tr>\n
Output Noise<\/td>\n30uVrms @ 10Hz-100kHz<\/td>\n<\/tr>\n
Input Voltage<\/td>\n2.7V ~ 5.5V<\/td>\n<\/tr>\n
Paquete<\/td>\nSOT-23-5<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • Fixed 3.3V output with +\/-2% accuracy<\/li>\n
  • 150mV dropout at full 500mA load<\/li>\n
  • Very low 24uA ground current<\/li>\n
  • 70dB PSRR at 1kHz for noise rejection<\/li>\n
  • 30uVrms output noise for RF applications<\/li>\n
  • Enable pin for power sequencing<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • RF transceiver power supply<\/li>\n
    • Portable and battery-powered devices<\/li>\n
    • Smartphone and tablet subsystem power<\/li>\n
    • USB-powered peripherals<\/li>\n
    • Low-noise analog and sensor supply<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MIC5319-3.3YD5-TR from Microchip is a 500mA LDO regulator with fixed 3.3V output in a SOT-23-5 package. Featuring 150mV dropout at 500mA, low 24uA ground current, and PSRR of 70dB at 1kHz, it is designed for noise-sensitive RF and portable applications. Key Specifications Output Voltage 3.3V fixed Output Current 500mA Dropout Voltage 150mV […]<\/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":[134],"class_list":["post-2741","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-low-dropout-regulators-ldo","chip_brand-microchip"],"acf":{"brief_explanation":"500mA LDO, 3.3V fixed, 150mV dropout, 70dB PSRR, SOT-23-5","date_code":"","package_case":"SOT-23-5 (2.9 x 1.6 x 1.0 mm)","in_stock":11118,"datasheet":"https:\/\/www.microchip.com\/en-us\/product\/mic5319","price":"$0.28 @ 1ku","product_introduction":"The MIC5319-3.3YD5-TR from Microchip is a 500mA LDO regulator providing fixed 3.3V output in a tiny SOT-23-5 package. With 150mV dropout at full load, it can regulate 3.3V from a 3.5V input. The very low 24uA ground current maximizes battery life. Excellent PSRR of 70dB at 1kHz and low 30uVrms output noise make it ideal for powering noise-sensitive RF transceivers and precision analog circuits. The enable pin supports power sequencing and shutdown. The device includes current limit and thermal shutdown protection.","working_principle":"The MIC5319-3.3YD5-TR uses a P-channel MOSFET pass element with an error amplifier comparing a divided output voltage to an internal bandgap reference trimmed to 3.3V. When the input-output differential drops below dropout, the P-channel MOSFET enters the triode region and VOUT tracks VIN minus the dropout voltage. The low 24uA ground current results from the CMOS error amplifier design, which draws minimal bias current. The high PSRR is achieved by the error amplifier's loop gain, which attenuates input ripple. The enable pin controls the pass element gate; when disabled, output is high-impedance and ground current drops to <0.1uA.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>IN<\/td>Power<\/td>Input voltage (2.7-5.5V)<\/td><\/tr>
      2<\/td>GND<\/td>Power<\/td>Ground<\/td><\/tr>
      3<\/td>EN<\/td>Input<\/td>Enable (active high)<\/td><\/tr>
      4<\/td>BYP<\/td>Analog<\/td>External bypass capacitor for noise reduction<\/td><\/tr>
      5<\/td>OUT<\/td>Power<\/td>Regulated 3.3V output<\/td><\/tr><\/table>","application_scenarios":"
      • WiFi\/BLE transceiver 3.3V clean power supply<\/li>
      • Smartphone and tablet sub-system LDO regulation<\/li>
      • USB-powered peripheral 3.3V power rail<\/li>
      • Precision analog sensor and ADC reference supply<\/li>
      • Battery-powered IoT device 3.3V regulation<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TI<\/td>TLV70033DDCR<\/td>SOT-23-5<\/td>300mA, 3.3V, very low Iq<\/td><\/tr>
        Microchip<\/td>MIC5319-1.8YD5-TR<\/td>SOT-23-5<\/td>Same family, 1.8V output<\/td><\/tr>
        Diodes Inc<\/td>AP2112K-3.3TRG1<\/td>SOT-23-5<\/td>600mA, 3.3V, compatible<\/td><\/tr>
        TI<\/td>TLV74333PDBVR<\/td>SOT-23-5<\/td>300mA, high PSRR alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/2741","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=2741"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/2741\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=2741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=2741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=2741"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=2741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}