LDK120M31R

{
  "slug": "ldk120m31r",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ldk120m31r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ldk120m31r.kicad_sym",
    "ldk120m31r.kicad_mod",
    "ldk120m31r.glb",
    "ldk120m31r.step",
    "ldk120m31r.lbr",
    "docs/hero.png",
    "docs/ldk120m31r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ldk120m31r-hero.glb",
    "ldk120m31r-hero.overlay.json"
  ],
  "component": {
    "mpn": "LDK120M31R",
    "manufacturer": "STMicroelectronics",
    "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/8590445307579703296",
    "parts": {
      "symbol": "ldk120m31r.kicad_sym",
      "footprint": "ldk120m31r.kicad_mod",
      "model_3d": "ldk120m31r-hero.glb",
      "model_3d_plain": "ldk120m31r.glb",
      "model_3d_step": "ldk120m31r-etched.step",
      "model_3d_step_plain": "ldk120m31r.step",
      "lbr": "ldk120m31r.lbr"
    },
    "distributor_links": {
      "lcsc": "C3752849",
      "digikey": "497-14014-2-ND",
      "mouser": "511-LDK120M31R"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:20:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-14014-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-LDK120M31R",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage of the LDO; operating input range is 1.9 V to 5.5 V, and the absolute maximum DC input is -0.3 V to 7 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference for the regulator; all voltages are referred to GND."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable logic input where Low = shutdown and High = active; logic low is 0.4 V max and logic high is 1.2 V min for VIN = 1.9 V to 5.5 V."
      },
      {
        "number": "4",
        "name": "BYP",
        "type": "passive",
        "description": "Bypass capacitor pin for noise reduction on the fixed-output version; the capacitor is optional, and if not used the pin must be left floating with no routing on the board."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage of the LDO, guaranteeing 200 mA output current and stable with a ceramic output capacitor of 1 µF (1 to 22 µF range)."
      }
    ],
    "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: Pin 4 is printed as BYP/ADJ/NC in Table 1 with the function depending on version. LDK120M31R is a fi; Pin descriptions for IN, OUT and EN quote limits from Tables 2, 4 and the cover text rather than fro"
        ],
        "pages_sent": 24,
        "cost_usd": 0.0649,
        "at": "2026-10-08T20:20:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590445307579703296",
        "pages": 24,
        "sha256": "1684d802fa69801e",
        "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"
    },
    "models_3d": [
      {
        "file": "ldk120m31r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ldk120m31r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "21925d7e83499c72ef5bc66200435a9433bf4f2fa54bef403b534d65dbb96df7",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}