main
Ray Set visibility: public d0a8f1c 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "aspl317ldt-r",
  "title": "ASPL317LDT-R",
  "brief": "ASDsemi DC-DC Converters, SOT-223. 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)",
    "aspl317ldt-r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ASPL317LDT-R",
    "manufacturer": "ASDsemi",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226428458532864",
    "parts": {
      "symbol": "aspl317ldt-r.kicad_sym",
      "footprint": "aspl317ldt-r.kicad_mod",
      "model_3d": "aspl317ldt-r-hero.glb",
      "model_3d_plain": "aspl317ldt-r-etched.glb",
      "model_3d_step": "aspl317ldt-r-etched.step",
      "model_3d_step_plain": "aspl317ldt-r.step",
      "lbr": "aspl317ldt-r.lbr"
    },
    "distributor_links": {
      "lcsc": "C2905322"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T01:15:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ",
        "type": "passive",
        "description": "Adjust pin that sets the output voltage between 1.3V and 35V; adjust pin current is typically 50µA (max 100µA)."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output, supplying more than 1A with output voltage adjustable from 1.3V to 35V, with internal short-circuit and over-temperature protection."
      },
      {
        "number": "3",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated input; the input-to-output voltage difference must not exceed 37V (absolute maximum)."
      }
    ],
    "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 never prints pin numbers for the SOT-223 package. Page 1 only labels the three leads A; The SOT-223 tab is not labelled in the datasheet. Only the TO-220 picture shows the tab as OUT. No t",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1346,
        "at": "2026-10-19T01:13:01"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226428458532864",
        "pages": 9,
        "sha256": "e4699fe49507fa06",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "aspl317ldt-r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "aspl317ldt-r-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3b943b050e785c243c052bf90a1a420328b91a9a217a3a0fda9460c346d86533",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ASDsemi",
      "Package": "SOT-223",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "appearance": {
      "housing": {
        "quote": "ESD (human body model) ESD 4000 V *: Absolute maximum ratings are stress ratings only and functional device operation is",
        "page": 2,
        "doc": "ds.pdf",
        "material": "Abs"
      },
      "version": 1,
      "datasheet_sha256": "e4699fe49507fa06d636a516cfc9151ac14c0a88ff898cef75c02c3d7ae86524"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e4699fe49507fa06d636a516cfc9151ac14c0a88ff898cef75c02c3d7ae86524",
      "rows": [
        {
          "name": "Storage temperature",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input - Output voltage difference",
          "symbol": "Vin-Vout",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 37,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "soldering, 10sec",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD (human body model)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4000,
          "conditions": "human body model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.25,
          "max": 1.3,
          "conditions": "10mA≤ IOUT ≤1A; 3V≤ (VIN-VOUT) ≤37V; PD≦ 20W",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "S V",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.04,
          "conditions": "3V≦ VIN-VOUT≦ 37V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "Si",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "0mA≦ IOUT≦ 1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Adjust pin current",
          "symbol": "Iadj",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Adjust pin current change",
          "symbol": "ΔIadj",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.2,
          "max": 5,
          "conditions": "3V≦ VIN-VOUT≦ 37V, 10mA≦ IOUT≦ 1A, PD≦ 20W",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum load current",
          "symbol": "ILmin",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.5,
          "max": 10,
          "conditions": "VIN-VOUT=37V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ripple rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 75,
          "max": null,
          "conditions": "f=120Hz, COUT=1µF tantalum, (VIN-VOUT)=3V, IOUT=1A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Temperature stability",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "TMIN≦ TJ ≦ TMAX",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "RMS output noise (% of VOUT)",
          "symbol": "en",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.003,
          "max": null,
          "conditions": "Ta=25℃, 10Hz≤ f ≤10kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case (SOT-223)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 23,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient (SOT-223)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "Thys",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "aspl317ldt-r"
  ],
  "discovery_pitch": "ASPL317LDT-R (ASDsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "aspl317ldt-r.kicad_sym",
    "aspl317ldt-r.kicad_mod",
    "aspl317ldt-r.glb",
    "aspl317ldt-r.step",
    "aspl317ldt-r.lbr",
    "docs/hero.png",
    "docs/aspl317ldt-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "aspl317ldt-r-hero.glb",
    "aspl317ldt-r-hero.overlay.json",
    "aspl317ldt-r-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}