{"id":6413,"date":"2026-06-16T03:08:31","date_gmt":"2026-06-16T03:08:31","guid":{"rendered":"https:\/\/materialparts.com\/mic5205-3-3ym5\/"},"modified":"2026-06-16T03:08:31","modified_gmt":"2026-06-16T03:08:31","slug":"mic5205-3-3ym5","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/mic5205-3-3ym5\/","title":{"rendered":"MIC5205-3.3YM5"},"content":{"rendered":"

Productos<\/h2>\n

The MIC5205-3.3YM5 from Microchip is a 150mA low-noise LDO linear voltage regulator with a fixed 3.3V output in a SOT-23-5 package. With an ultra-low dropout voltage of 165mV at 150mA and only 680nA quiescent current in shutdown, it is ideal for battery-powered and noise-sensitive applications.<\/p>\n

Especificaciones<\/h2>\n\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>\n150mA (max)<\/td>\n<\/tr>\n
Dropout Voltage<\/td>\n165mV (typ at 150mA)<\/td>\n<\/tr>\n
Input Voltage<\/td>\n2.5V to 16V<\/td>\n<\/tr>\n
Corriente de reposo<\/td>\n1.5mA (typ, operating)<\/td>\n<\/tr>\n
Shutdown Current<\/td>\n680nA (typ)<\/td>\n<\/tr>\n
Output Noise<\/td>\n30uVrms (typ, 10Hz-100kHz)<\/td>\n<\/tr>\n
PSRR<\/td>\n70dB at 1kHz<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-40C to +125C<\/td>\n<\/tr>\n
Paquete<\/td>\nSOT-23-5<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • Ultra-low dropout: 165mV at 150mA<\/li>\n
  • Low noise: 30uVrms<\/li>\n
  • High PSRR: 70dB at 1kHz<\/li>\n
  • 680nA shutdown current<\/li>\n
  • Reverse-battery protection<\/li>\n
  • Current limiting and thermal shutdown<\/li>\n
  • NO CAP (stable without output capacitor)<\/li>\n
  • Enable\/shutdown pin<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • RF and wireless modules<\/li>\n
    • Audio preamplifiers<\/li>\n
    • Battery-powered instruments<\/li>\n
    • IoT sensor nodes<\/li>\n
    • Low-noise analog circuits<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MIC5205-3.3YM5 from Microchip is a 150mA low-noise LDO linear voltage regulator with a fixed 3.3V output in a SOT-23-5 package. With an ultra-low dropout voltage of 165mV at 150mA and only 680nA quiescent current in shutdown, it is ideal for battery-powered and noise-sensitive applications. Key Specifications Output Voltage 3.3V (fixed) Output Current […]<\/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":[13,29],"tags":[],"chip_brand":[134],"class_list":["post-6413","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-power-management-ics-pmic","chip_brand-microchip"],"acf":{"brief_explanation":"150mA LDO, fixed 3.3V, 165mV dropout, low noise, SOT-23-5","date_code":"","package_case":"SOT-23-5 (2.90 x 1.60 x 1.10 mm)","in_stock":35000,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/MIC5205-3.3YM5.pdf","price":"$0.45 @ 1ku","product_introduction":"The MIC5205-3.3YM5 from Microchip is a 150mA low-noise LDO regulator with fixed 3.3V output in a tiny SOT-23-5 package. It features an ultra-low dropout voltage of 165mV at full 150mA load, allowing operation from inputs as low as 3.465V. The device achieves exceptionally low output noise of 30uVrms and high PSRR of 70dB at 1kHz, making it ideal for RF and audio applications. The 680nA shutdown current extends battery life in portable devices. The enable pin provides on\/off control, and the device is stable without an output capacitor. Reverse-battery protection and thermal shutdown ensure robustness.","working_principle":"The MIC5205-3.3YM5 uses a P-channel MOSFET pass element in a low-dropout configuration. The P-MOSFET gate is driven by the error amplifier which compares the output voltage (through an internal divider for the fixed version) with an internal bandgap reference. The MOSFET pass element allows very low dropout (165mV) because the gate can be driven to ground potential, fully enhancing the transistor. The low output noise of 30uVrms is achieved by the clean bandgap reference and careful layout. The 70dB PSRR at 1kHz rejects input supply ripple and noise. The enable pin controls a bias circuit that shuts down all internal circuitry, reducing current to 680nA. The NO CAP stability (no output capacitor required) results from the internal compensation network.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>IN<\/td>Input<\/td>Input supply voltage (2.5V to 16V)<\/td><\/tr>
      2<\/td>GND<\/td>Ground<\/td>Ground<\/td><\/tr>
      3<\/td>EN<\/td>Input<\/td>Enable; HIGH = on, LOW = shutdown<\/td><\/tr>
      4<\/td>NC<\/td>-<\/td>No connect (or BYP for noise reduction)<\/td><\/tr>
      5<\/td>OUT<\/td>Output<\/td>3.3V regulated output<\/td><\/tr><\/table>","application_scenarios":"
      • RF Module Power:<\/b> Provides clean 3.3V to Wi-Fi\/BLE modules with 30uVrms noise and 70dB PSRR preventing supply noise from degrading receiver sensitivity<\/li>
      • Audio Preamp Supply:<\/b> Powers low-noise op-amp circuits with ultra-clean 3.3V rail where switching regulator ripple would compromise SNR<\/li>
      • IoT Sensor Node:<\/b> Extends coin-cell battery life with 680nA shutdown between measurement intervals and 165mV dropout maximizing usable battery range<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Vout<\/th>Iout<\/th>Key Difference<\/th><\/tr>
        MIC5205-5.0YM5<\/td>Microchip<\/td>5.0V<\/td>150mA<\/td>Fixed 5V version<\/td><\/tr>
        RT9193-33GB<\/td>Richtek<\/td>3.3V<\/td>300mA<\/td>Higher current, SOT-23-5<\/td><\/tr>
        ME6211C33M5G<\/td>Microne<\/td>3.3V<\/td>500mA<\/td>Higher current, SOT-23-5<\/td><\/tr>
        TPS79333DBVR<\/td>TI<\/td>3.3V<\/td>150mA<\/td>Lower noise, higher cost<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/6413","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=6413"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/6413\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=6413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=6413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=6413"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=6413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}