main
Ray Set visibility: public 0e54fe7 16d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lw3112a23e",
  "title": "LW3112A23E",
  "brief": "Lewa Micro Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lw3112a23e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LW3112A23E",
    "manufacturer": "Lewa Micro",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758012212143370240",
    "parts": {
      "symbol": "lw3112a23e.kicad_sym",
      "footprint": "lw3112a23e.kicad_mod",
      "model_3d": "lw3112a23e-hero.glb",
      "model_3d_plain": "lw3112a23e-etched.glb",
      "model_3d_step": "lw3112a23e-etched.step",
      "model_3d_step_plain": "lw3112a23e.step",
      "lbr": "lw3112a23e.lbr"
    },
    "distributor_links": {
      "lcsc": "C20754714"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T19:05:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input pin; use the recommended value or a larger ceramic capacitor from IN to ground, placed as close to the device as possible, with VIN supply range 1.8 V to 7.0 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: drive above VEN(HI) (1.5 V typ./max per electrical table) to turn on the regulator, and below VEN(LO) (0.5 V) to put the LDO into shutdown mode."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; ground this pin for better thermal performance."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage pin; connect a low-ESR capacitor of the nominal recommended value or larger from OUT to GND, and an internal pulldown discharges OUT when the regulator is in shutdown."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "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 datasheet pin table (p.2) lists three package columns (SOT23/SOT23-3L/SOT-323, SOT23-5L/SOT-353,; The pin table shows a thermal pad only for the DFN1x1-4L package; no thermal pad is listed for SOT23; The EN description combines the pin table text with the VEN(HI)/VEN(LO) values from the electrical c"
        ],
        "pages_sent": 25,
        "cost_usd": 0.0753,
        "at": "2026-10-17T19:02:58"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758012212143370240",
        "pages": 25,
        "sha256": "56df88266c01136c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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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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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "3a4e043ad70b437022fc30d2c1e5eca27e50cf07609d8983eaa7a3bddd69b786",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Lewa Micro",
      "Package": "SOT-23-5L",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "56df88266c01136c07595b6995df3a7be69f688f03f1a5e452096bcda89ab8fe",
      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "IOUT= 1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 40,
          "max": 60,
          "conditions": "VIN= VEN= VOUT +1V, No Load",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 520,
          "max": 700,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISHD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=7.0V, VEN=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Short Current",
          "symbol": "ISHORT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VOUT=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVOUT/(ΔVIN*VOUT(NOM))",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": 0.15,
          "conditions": "VIN= VOUT +1.0V to 7.0V, IOUT=1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 30,
          "max": 60,
          "conditions": "1mA≤IOUT≤500mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN High Voltage",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "VIN=1.8V to 7.0V, IOUT=1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Low Voltage",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Absolute Max Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Absolute Max EN Pin Voltage",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Absolute Max VOUT Pin Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit printed as (VIN+0.3)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Susceptibility HBM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "HBM per ANSI/ESDA/JEDEC JS-001",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Absolute Max Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "TSOLDER",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 s",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended VIN Supply Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended EN Pin Voltage",
          "symbol": "VEN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended VOUT Pin Voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended Output Current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient Thermal Resistance SOT23-5L",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 390,
          "max": null,
          "conditions": "SOT23-5L package, device mounted on FR-4 PCB per JESD51-3",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Startup Time",
          "symbol": "TSTR",
          "kind": "electrical",
          "unit": "μs",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "From VEN L→H to 95%*VOUT, COUT=1μF, No Load",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio f=217Hz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 77,
          "max": null,
          "conditions": "VIN= 4.3V, VOUT=3.3V, VPP=0.5V, IOUT=10mA, f=217Hz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio f=1kHz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VIN= 4.3V, VOUT=3.3V, VPP=0.5V, IOUT=10mA, f=1kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Rejection Ratio f=10kHz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 67,
          "max": null,
          "conditions": "VIN= 4.3V, VOUT=3.3V, VPP=0.5V, IOUT=10mA, f=10kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Noise IOUT=0mA",
          "symbol": "en",
          "kind": "electrical",
          "unit": "μVRMS",
          "min": null,
          "typ": 92,
          "max": null,
          "conditions": "VIN= 4.3V, VOUT=3.3V, f=10Hz to 100kHz, IOUT=0mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Noise IOUT=10mA",
          "symbol": "en",
          "kind": "electrical",
          "unit": "μVRMS",
          "min": null,
          "typ": 102,
          "max": null,
          "conditions": "VIN= 4.3V, VOUT=3.3V, f=10Hz to 100kHz, IOUT=10mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 155,
          "max": null,
          "conditions": "Temperature rising",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "TSD Hysteresis",
          "symbol": "△TSD",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "Temperature falling",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Discharge Resistance",
          "symbol": "RDSCHG",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "VIN= 7.0V, VEN=0V",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "LW3112A23E (Lewa Micro) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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