LM217LD13TR

{
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  "type": "component",
  "slug": "lm217ld13tr",
  "title": "LM217LD13TR",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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    "pmic",
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  "component": {
    "mpn": "LM217LD13TR",
    "manufacturer": "STMicroelectronics",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.st.com/resource/en/datasheet/lm217ld13tr.pdf",
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      "lbr": "lm217ld13tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C7925"
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated positive input supply. Input-to-output differential up to 40 V max. A 0.1 uF bypass capacitor to ground is recommended near the pin."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output. Adjustable from 1.2 V to 37 V; delivers up to 100 mA of load current. Requires a minimum load current (typ. 3.5 mA) for regulation."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output (internally tied to pin 2). SO-8 doubles the output pin for improved current handling and thermal performance."
      },
      {
        "number": "4",
        "name": "ADJ",
        "type": "input",
        "description": "Adjustment pin. Connects to the top of the external resistor divider that sets Vout = Vref x (1 + R2/R1) + Iadj x R2, with Vref = 1.25 V typ. Adjust pin current is 50 uA typ (100 uA max)."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to a copper pour for mechanical support."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output (internally tied to pins 2 and 3). SO-8 provides three output pins for improved current handling and thermal dissipation."
      },
      {
        "number": "7",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output (internally tied to pins 2, 3, and 6). SO-8 pins 2/3/6/7 are all the regulator output."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to a copper pour for mechanical support."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/lm217ld13tr.pdf",
        "pages": 23,
        "sha256": "6f70ef728068a972",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "checked": "2026-10-07",
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      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SOIC-8",
      "Category": "PMIC",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6f70ef728068a972",
      "rows": [
        {
          "name": "Input-output differential voltage",
          "symbol": "VI-VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "TOP",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "for LM217L",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "DVO",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.02,
          "conditions": "VI - VO = 3 to 40 V, IL 20 mA; TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "DVO",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.02,
          "max": 0.05,
          "conditions": "VI - VO = 3 to 40 V, IL 20 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "DVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 15,
          "conditions": "VO ≤ 5 V, IO = 5 to 100 mA; TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "DVO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 50,
          "conditions": "VO ≤ 5 V, IO = 5 to 100 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "DVO",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.1,
          "max": 0.3,
          "conditions": "VO ≥ 5 V, IO = 5 to 100 mA; TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "DVO",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.3,
          "max": 1,
          "conditions": "VO ≥ 5 V, IO = 5 to 100 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Adjustment pin current",
          "symbol": "IADJ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Adjustment pin current change",
          "symbol": "DIADJ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.2,
          "max": 5,
          "conditions": "VI - VO = 3 to 40 V, IO = 5 to 100 mA; Pd < 625 mW",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.25,
          "max": 1.3,
          "conditions": "VI - VO = 3 to 40 V, IO = 10 to 500 mA; Pd < 625 mW",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Minimum load current",
          "symbol": "IO(min)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.5,
          "max": 5,
          "conditions": "VI - VO = 40 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "IO(max)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "VI - VO = 3 to 13 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 66,
          "max": 80,
          "conditions": "TJ = 25°C, f = 120 Hz, CADJ = 10 µF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "IO(max)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "VI - VO = 40 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "TJ = 25°C, f = 120 Hz, CADJ = 0",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output voltage temperature stability",
          "symbol": "DVO/VO",
          "kind": "temperature_coefficient",
          "unit": "%",
          "min": null,
          "typ": 0.7,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.003,
          "max": null,
          "conditions": "B = 10 Hz to 10 KHz, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "LM217LD13TR (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
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  "variants": [
    {
      "mpn": "LM217LD13TR",
      "kind": "packaging"
    },
    {
      "mpn": "LM217LD13TRLM317LD13TR",
      "kind": "packaging"
    },
    {
      "mpn": "LM217LD13TRLM317LZ",
      "kind": "packaging"
    },
    {
      "mpn": "LM217LD13TRLM317LZ-AP",
      "kind": "packaging"
    },
    {
      "mpn": "LM217LD13TRLM317LZ-TR",
      "kind": "packaging"
    },
    {
      "mpn": "LM217LZ-TR",
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  ],
  "updated_at": "2026-09-25T00:04:41.317Z"
}