main
Ray Set visibility: public e67dc51 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm1117rs-3-3",
  "title": "LM1117RS-3.3",
  "brief": "HTC Korea TAEJIN Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). 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)",
    "lm1117rs-3.3",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LM1117RS-3.3",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "TO-252-2(DPAK)",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586202943314145280",
    "parts": {
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      "footprint": "lm1117rs-3-3.kicad_mod",
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      "model_3d_step_plain": "lm1117rs-3-3.step",
      "lbr": "lm1117rs-3-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C126023"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:15:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      },
      "mouser": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ/GND",
        "type": "power_in",
        "description": "Adjustable/ground pin: it is the ADJ terminal in adjustable versions, where the adjust pin current is 50 µA typical and 120 µA maximum at IO = 100 mA, and it is ground in the fixed-voltage versions."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage; the datasheet requires an output capacitor of 10 µF or larger for output stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply to the regulator; the absolute maximum DC input voltage is 20 V."
      }
    ],
    "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: Package mismatch: the package hint says TO-252-2 (DPAK), but the datasheet lists the device as TO-25; Pin 1 has two functions (ADJ in adjustable versions, GND in fixed versions). It is typed power_in, f; The datasheet gives no tab/heatsink pin designation. The tab is not listed as a separate pin and is "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0601,
        "at": "2026-10-18T00:13:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586202943314145280",
        "pages": 12,
        "sha256": "44a7a7aa0771cacd",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          2.32
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "sha256": "c8f57d3ef2e3b8297ab255c67ae46da155e172ad6cc081ffae1cc07998038f91",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTC Korea TAEJIN Tech",
      "Package": "TO-252-2(DPAK)",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "44a7a7aa0771cacdf3df697c38b92087b8020b65e23fc843c58e5c59f9d9718d",
      "rows": [
        {
          "name": "Output Voltage (VIN = 4.8V, IO = 10mA)",
          "symbol": "VO",
          "kind": "tolerance",
          "unit": "V",
          "min": 3.267,
          "typ": 3.3,
          "max": 3.333,
          "conditions": "VIN = 4.8V, IO = 10mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (VIN = 4.8V to 12V, IO = 0mA to 1A, TJ = 0 ~ 125℃)",
          "symbol": "VO",
          "kind": "tolerance",
          "unit": "V",
          "min": 3.234,
          "typ": null,
          "max": 3.366,
          "conditions": "VIN = 4.8V to 12V, IO = 0mA to 1A (TJ = 0 ~ 125℃)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.1,
          "max": 0.2,
          "conditions": "IO = 0mA, VIN = 4.8V to 12V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "IO = 0mA to 1A, VIN = 5.3 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "IO = 100mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "ID",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "VIN - VO = 5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "mA",
          "min": 1000,
          "typ": 1250,
          "max": 1600,
          "conditions": "VIN - VO = 5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage Rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 75,
          "max": null,
          "conditions": "IO = 1A, f = 120Hz, VIN - VO = 3V, VRIPPLE = 1VPP",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1,
          "max": 1.1,
          "conditions": "IO = 100mA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.1,
          "max": 1.2,
          "conditions": "IO = 500mA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1.3,
          "conditions": "IO = 1A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "DC Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 5 seconds)",
          "symbol": "TSOL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 5 seconds",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-To-Ambient / TO-252",
          "symbol": "θJA-TO-252",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 105,
          "conditions": "No heat sink / No air flow / No adjacent heat source / 0.066 inch² copper area (TA = 25°C)",
          "source_page": 12,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "LM1117RS-3.3 (HTC Korea TAEJIN Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}