LD1117DT50CTR

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  "type": "component",
  "slug": "ld1117dt50ctr",
  "title": "LD1117DT50CTR",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.1",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "LD1117DT50CTR",
    "manufacturer": "STMicroelectronics",
    "package": "TO-252-2(DPAK)",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.st.com/resource/en/datasheet/ld1117dt50ctr.pdf",
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      "lbr": "ld1117dt50ctr.lbr"
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    "distributor_links": {
      "digikey": "497-1237-2-ND",
      "mouser": "511-LD1117DT50C-TR",
      "lcsc": "C93063"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground / common return. Reference for both the input and the fixed 5.0 V output."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5.0 V output, up to 800 mA. Requires a 10 µF minimum output capacitor for loop stability. Electrically common with the exposed TAB. Also the package tab: metal heat-sink tab, internally connected to VOUT. Used for thermal dissipation to the PCB copper pour; carries the regulated output potential and must not be tied to ground."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated DC input. Absolute maximum 15 V continuous (18 V when IOUT < 20 mA). Typical dropout 1 V at full load; a 100 nF input capacitor is recommended."
      }
    ],
    "provenance": {
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        "pages": 44,
        "sha256": "1b80923ec6ca9161",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -5.04,
        -2.28
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TO-252-2@sha256:18c28e5e147d5e9b",
      "mark": "drawn"
    },
    "models_3d": [
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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          2.32
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ld1117dt50ctr-etched.step",
        "role": "eda",
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "83484a5c97eeaf358dc09088a43b44fac046cb1a029d2ca56d303ea40c36906c",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "TO-252-2(DPAK)",
      "Category": "PMIC",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "IO = 100 mA",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 800,
          "typ": 950,
          "max": 1300,
          "conditions": "Vin = 10 V, TJ = 25 °C",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "datasheet prints several: 15 V (DC input voltage), 18 V (IOUT lower than 20 mA DC input voltage); the most conservative is kept",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "LD1117DT50CTR (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "files": [
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    "ld1117dt50ctr-etched.step",
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  "visibility": "public",
  "variants": [
    {
      "mpn": "LD1117DT50CTR",
      "kind": "packaging"
    },
    {
      "mpn": "LD1117DT50TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117DT12TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117DT18TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117DT25TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117DT33TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117DTTR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117S50TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117S33TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117S25TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117S18TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117S12TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117STR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117D50TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117D33TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117D25TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117D18TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117D12TR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117DTR",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117V50",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117V33",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117V25",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117V18",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117V12",
      "kind": "unknown"
    },
    {
      "mpn": "LD1117V",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-24T23:47:37.576Z",
  "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}