LD1117AG-25-AA3-A-R

{
  "slug": "ld1117ag-25-aa3-a-r",
  "version": "0.1.0",
  "type": "component",
  "description": "UTC Unisonic Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ld1117ag-25-aa3-a-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ld1117ag-25-aa3-a-r.kicad_sym",
    "ld1117ag-25-aa3-a-r.kicad_mod",
    "ld1117ag-25-aa3-a-r.glb",
    "ld1117ag-25-aa3-a-r.step",
    "ld1117ag-25-aa3-a-r.lbr",
    "docs/hero.png",
    "docs/ld1117ag-25-aa3-a-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ld1117ag-25-aa3-a-r-hero.glb",
    "ld1117ag-25-aa3-a-r-hero.overlay.json",
    "ld1117ag-25-aa3-a-r-etched.glb"
  ],
  "component": {
    "mpn": "LD1117AG-25-AA3-A-R",
    "manufacturer": "UTC Unisonic Tech",
    "package": "SOT-223-4",
    "pin_count": 4,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175467829673984",
    "parts": {
      "symbol": "ld1117ag-25-aa3-a-r.kicad_sym",
      "footprint": "ld1117ag-25-aa3-a-r.kicad_mod",
      "model_3d": "ld1117ag-25-aa3-a-r-hero.glb",
      "model_3d_plain": "ld1117ag-25-aa3-a-r-etched.glb",
      "model_3d_step": "ld1117ag-25-aa3-a-r-etched.step",
      "model_3d_step_plain": "ld1117ag-25-aa3-a-r.step",
      "lbr": "ld1117ag-25-aa3-a-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C71123"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T17:44:47Z",
      "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 (marked GND/ADJ; GND on this fixed 2.5V version), pin assignment code A."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 2.5V output (2.450 to 2.550V at 25°C), with up to 1A output current for the LD1117A and internal current limit and over-temperature protection."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage, recommended maximum 15V and absolute maximum 18V."
      },
      {
        "number": "4",
        "name": "EP",
        "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-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives only three pin positions for SOT-223 (pin code A: 1=GND/ADJ, 2=VOUT, 3=VIN). It ; Pin code A comes from the MPN field after the package code (AA3-A-R). The table on page 1 reads A = ",
          "exposed pad 4 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 15,
        "cost_usd": 0.2291,
        "at": "2026-10-18T17:42:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175467829673984",
        "pages": 15,
        "sha256": "f7f26a117cb07dc2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ld1117ag-25-aa3-a-r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ld1117ag-25-aa3-a-r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ce67b2024df712e43a69ef5a0ca666d0a605bb46d41f99ab49d64c052b5e2af7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}