LDLN025PU28R

{
  "slug": "ldln025pu28r",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DFN-4(1x1). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ldln025pu28r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ldln025pu28r.kicad_sym",
    "ldln025pu28r.kicad_mod",
    "ldln025pu28r.glb",
    "ldln025pu28r.step",
    "ldln025pu28r.lbr",
    "docs/hero.png",
    "docs/ldln025pu28r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ldln025pu28r-hero.glb",
    "ldln025pu28r-hero.overlay.json"
  ],
  "component": {
    "mpn": "LDLN025PU28R",
    "manufacturer": "STMicroelectronics",
    "package": "DFN-4(1x1)",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590322396986314752",
    "parts": {
      "symbol": "ldln025pu28r.kicad_sym",
      "footprint": "ldln025pu28r.kicad_mod",
      "model_3d": "ldln025pu28r-hero.glb",
      "model_3d_plain": "ldln025pu28r.glb",
      "model_3d_step": "ldln025pu28r-etched.step",
      "model_3d_step_plain": "ldln025pu28r.step",
      "lbr": "ldln025pu28r.lbr"
    },
    "distributor_links": {
      "lcsc": "C3747664",
      "digikey": "497-17001-2-ND",
      "mouser": "511-LDLN025PU28R"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T12:05:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-17001-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-LDLN025PU28R",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "LDO output voltage; the absolute maximum rating is -0.3 V to VIN + 0.3 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the LDO."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input: VEN high (VIH min 1.2 V) turns the device on and VEN low (VIL max 0.4 V) turns it off; the pin is internally pulled down via a 1 MΩ resistor and the absolute maximum rating is -0.3 V to VIN + 0.3 V."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "LDO supply voltage; the operating input range is 1.5 V to 5.5 V and the absolute maximum rating is -0.3 V to 7 V."
      },
      {
        "number": "5",
        "name": "Exposed pad",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 lists an exposed pad for the DFN4-1x1 package (Table 1) that must be connected to GND,; Order code LDLN025PU28R is listed under the DFN4-1x1 package in the ordering information table (page",
          "exposed pad 5 added from the footprint"
        ],
        "pages_sent": 27,
        "cost_usd": 0.0628,
        "at": "2026-10-12T12:04:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590322396986314752",
        "pages": 27,
        "sha256": "b71eeee4c541f04a",
        "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": "ldln025pu28r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.98,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "86e5f8eefe287160705813dbaa7f6606754ab347715fbffa4ee680635c44541f",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ldln025pu28r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.0,
          0.98,
          0.57
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d9ef636f8254cca8e10619a73b3729c4e1b9f91e1b7c7b89c91804b7a8e4b2fa",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}