main
Ray Set visibility: public 6de7f5c 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ld1117s33tr-hxy",
  "title": "LD1117S33TR-HXY",
  "brief": "HXY MOSFET Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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": [
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    "power management (pmic)",
    "ld1117s33tr-hxy",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LD1117S33TR-HXY",
    "manufacturer": "HXY MOSFET",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604438961397768192",
    "parts": {
      "symbol": "ld1117s33tr-hxy.kicad_sym",
      "footprint": "ld1117s33tr-hxy.kicad_mod",
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      "model_3d_plain": "ld1117s33tr-hxy-etched.glb",
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      "model_3d_step_plain": "ld1117s33tr-hxy.step",
      "lbr": "ld1117s33tr-hxy.lbr"
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    "distributor_links": {
      "lcsc": "C42411824"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:59:01Z",
      "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 (labelled Vss/ADJ on the fixed-voltage pinout; Adj/GND in the block diagram, where it is the adjust pin on the ADJ version)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output (3.3V ±2%, 3.234V to 3.366V for LD1117S33TR) delivering up to 800mA, with a 10uF tantalum output capacitor recommended for stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, absolute maximum 18V and recommended operating maximum 15V, with 10uF tantalum bypass capacitor recommended."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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: Pin 1 is labelled 'Vss/ADJ' on the pin diagram and 'Adj/GND' in the block diagram. For the fixed 3.3; The SOT-223 drawing shows a top tab, but the datasheet does not say what it is connected to. The tab",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.2969,
        "at": "2026-10-18T10:57:15"
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      "datasheet": {
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        "pages": 8,
        "sha256": "6beb650f3d0a7188",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "file": "ld1117s33tr-hxy.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HXY MOSFET",
      "Package": "SOT-223",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6beb650f3d0a71883875e72056b4752a4e6c641317349fd1f5af9fc6a88f1eb2",
      "rows": [
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          "name": "Output voltage (LD1117S33TR, 3.3V fixed)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 3.234,
          "typ": 3.3,
          "max": 3.366,
          "conditions": "0≤Iout≤800mA , Vin=5.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage",
          "symbol": "Vref",
          "kind": "electrical",
          "unit": "V",
          "min": 1.225,
          "typ": 1.25,
          "max": 1.275,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.03,
          "max": 0.2,
          "conditions": "Iout=10mA, 4.8V≤Vin≤12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 6,
          "max": 24,
          "conditions": "Vin =4.8V, 10mA≤Iout≤800mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.3,
          "conditions": "Iout =100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": 1.5,
          "conditions": "Iout=800mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current (LD1117S33TR)",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "Vin=12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient",
          "symbol": "ΔV/ΔT",
          "kind": "temperature_coefficient",
          "unit": "ppm",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (maximum operating range)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "Range of operation input voltage",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Ambient operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 85,
          "conditions": "Environment temperature",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Recommended operating junction temperature",
          "symbol": "Tj",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -20,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Maximum operating junction temperature",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction-to-ambient (SOT-223)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction-to-case (SOT-223)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "LD1117S33TR-HXY (HXY MOSFET) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}