main
Ray Set visibility: public a9435f6 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "pj9350l18sc",
  "title": "PJ9350L18SC",
  "brief": "PJSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "PJ9350L18SC",
    "manufacturer": "PJSEMI",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604443866779037696",
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      "lbr": "pj9350l18sc.lbr"
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    "distributor_links": {
      "lcsc": "C41784029"
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    "distributor_check": {
      "checked_at": "2026-10-17T20:58:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator (page 2 lists it as GND, Ground)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage; the fixed output is 1.8V for the PJ9350L18SC, and the datasheet recommends at least a 1uF capacitor from VOUT to ground for stability, with a maximum output current of 300mA."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input; the supply range is 2.5V to 6.5V, and VIN must stay at least the dropout voltage above VOUT for proper regulation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT-23-3 pinout (1 GND, 2 VOUT, 3 VIN) is taken from the page 2 pin distribution diagram; the pa; The SOT-23-3 variant has no EN (chip enable) pin; the EN pin appears only in the SOT-23-5 and DFN1x1; The pin 2 description combines the 1.8V output option from the ordering code (18 = 1.8V) with the 1u"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0498,
        "at": "2026-10-17T20:55:14"
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        "pages": 18,
        "sha256": "07d6b42aa3d8f2df",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "sha256": "ef3b691d2aba6ac5879d67f7dde437712464b8aff8fd1910429bd1f6a0695d00",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "PJSEMI",
      "Package": "SOT-23-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "07d6b42aa3d8f2dffd8176ce90e1369a2dc37e602e355de7af658a7f1bc0e864",
      "rows": [
        {
          "name": "Output Voltage Accuracy",
          "symbol": "ΔVOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VOUT ≥1.8V, IOUT=1mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.15,
          "conditions": "VIN=2.7~5.5V, IOUT=1mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 40,
          "max": 70,
          "conditions": "VOUT≤1.8V, IOUT=1~200mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Standby Current",
          "symbol": "IStandby",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEN=0",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "EN Logic High Voltage",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "VIN=5.5V, IOUT=1mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "EN Logic Low Voltage",
          "symbol": "VENlL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VIN=5.5V, VOUT=0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEN= 0~5.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
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        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Maximum Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
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        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
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          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
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        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 450,
          "conditions": "SOT-23-3",
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        {
          "name": "Junction Temperature",
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          "max": 125,
          "conditions": "",
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        {
          "name": "Storage Temperature Range",
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          "typ": null,
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          "source_page": 7,
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        {
          "name": "ESD Voltage HBM",
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          "conditions": "HBM",
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        {
          "name": "Lead Temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
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          "conditions": "10S",
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        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 220,
          "max": null,
          "conditions": "SOT-23-3",
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          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "PJ9350L18SC (PJSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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