MP2303ADN-LF-Z

{
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  "slug": "mp2303adn-lf-z",
  "title": "MP2303ADN-LF-Z",
  "brief": "Monolithic Power Systems DC-DC Converters, SOIC-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "mp2303adn-lf-z",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "MP2303ADN-LF-Z",
    "manufacturer": "Monolithic Power Systems",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579708557731676160",
    "parts": {
      "symbol": "mp2303adn-lf-z.kicad_sym",
      "footprint": "mp2303adn-lf-z.kicad_mod",
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      "model_3d_step": "mp2303adn-lf-z-etched.step",
      "model_3d_step_plain": "mp2303adn-lf-z.step",
      "lbr": "mp2303adn-lf-z.lbr"
    },
    "distributor_links": {
      "lcsc": "C18876",
      "digikey": "1589-1575-2-ND",
      "mouser": "946-MP2303ADNLFZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:34:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1589-1575-2-ND",
        "status": "found",
        "lifecycle": "Not For New Designs"
      },
      "mouser": {
        "pn": "946-MP2303ADNLFZ",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BS",
        "type": "power_in",
        "description": "High-side gate drive boost input that supplies the high-side N-channel MOSFET drive; connect a 0.01µF or greater capacitor from SW to BS."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Power input that supplies the IC and the step-down converter switches; drive with a 4.7V to 28V source and bypass to GND with a suitably large capacitor."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "power_out",
        "description": "Power switching output that supplies power to the output through the LC filter; a capacitor is required from SW to BS to power the high-side switch."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the exposed pad must be connected to pin 4."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that senses the output through a resistive divider, with a feedback threshold of 0.80V."
      },
      {
        "number": "6",
        "name": "COMP",
        "type": "passive",
        "description": "Compensation node for the control loop, connected through a series RC network to GND, with an additional capacitor sometimes required."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input that turns the regulator on when driven high and off when driven low; it must not be left floating and should not exceed 6V."
      },
      {
        "number": "8",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start control input where a capacitor to GND sets the soft-start period (0.1µF gives 15ms), and leaving it unconnected disables soft-start."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
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        "guard_notes": [
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          "exposed pad 9 added from the footprint"
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        "cost_usd": 0.0818,
        "at": "2026-10-19T06:32:18"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "Monolithic Power Systems",
      "Package": "SOIC-8-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
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        {
          "name": "Error Amplifier Transconductance",
          "symbol": "GEA",
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          "max": 1100,
          "conditions": "IC = 10μA",
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        {
          "name": "Shutdown Supply Current",
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          "name": "High-Side Switch Leakage Current",
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