L78L05ABD13TR

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  "title": "L78L05ABD13TR",
  "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",
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    "mpn": "L78L05ABD13TR",
    "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/l78l05abd13tr.pdf",
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    "distributor_links": {
      "digikey": "497-1180-2-ND",
      "lcsc": "C81154"
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    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5 V output (4.6 V min / 5.4 V max at TJ=25 °C). Up to 100 mA with adequate heat-sinking. Recommend 0.1 µF ceramic to GND for stability."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference. On the SO-8 package pins 2, 3, 6 and 7 are internally commoned to the die attach flag to lower thermal resistance; tie all four to the ground plane for best heat spreading."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference. Internally commoned with pins 2, 6 and 7 to the die attach flag for thermal spreading; connect all four to the ground plane."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected. Leave floating or tie to ground; no internal bond."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected. Leave floating or tie to ground; no internal bond."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference. Internally commoned with pins 2, 3 and 7 to the die attach flag for thermal spreading; connect all four to the ground plane."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference. Internally commoned with pins 2, 3 and 6 to the die attach flag for thermal spreading; connect all four to the ground plane."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated DC input. Absolute maximum 30 V for the 5 V output variant; typical dropout ~2 V so VIN ≥ ~7 V for full 5 V regulation. Recommend 0.33 µF ceramic to GND close to the pin."
      }
    ],
    "provenance": {
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        "pages": 45,
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        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    "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"
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SOIC-8",
      "Category": "PMIC",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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        {
          "name": "Output voltage (TJ = 25 °C)",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.8,
          "typ": 5,
          "max": 5.2,
          "conditions": "TJ = 25 °C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (IO = 1 to 40 mA)",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.75,
          "typ": null,
          "max": 5.25,
          "conditions": "IO = 1 to 40 mA, VI = 7 to 20 V",
          "source_page": 16,
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        {
          "name": "Output voltage (IO = 1 to 70 mA)",
          "symbol": "VO",
          "kind": "electrical",
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          "min": 4.75,
          "typ": null,
          "max": 5.25,
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        {
          "name": "Line regulation",
          "symbol": "∆VO",
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          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "VI = 7.3 to 20 V, TJ = 25 °C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "∆VO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VI = 8 to 20 V, TJ = 25 °C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "∆VO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "IO = 1 to 100 mA, TJ = 25 °C",
          "source_page": 16,
          "source": "datasheet"
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        {
          "name": "Load regulation",
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          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "IO = 1 to 40 mA, TJ = 25 °C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "Id",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "TJ = 25 °C",
          "source_page": 16,
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        },
        {
          "name": "Quiescent current",
          "symbol": "Id",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "TJ = 125 °C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current change",
          "symbol": "∆Id",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "IO = 1 to 40 mA",
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        },
        {
          "name": "Quiescent current change",
          "symbol": "∆Id",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "VI = 8 to 20 V",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "µV",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "B = 10 Hz to 100 kHz, TJ = 25 °C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": 41,
          "typ": 49,
          "max": null,
          "conditions": "VI = 8 to 18 V, f = 120 Hz; IO = 40 mA, TJ = 25 °C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vd",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "DC input voltage (VO = 3.3 to 9 V)",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "VO = 3.3 to 9 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
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        {
          "name": "Operating junction temperature range (L78LxxAB)",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "for L78LxxAB",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction-case (SO-8)",
          "symbol": "RthJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 5,
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        {
          "name": "Thermal resistance junction-ambient (SO-8)",
          "symbol": "RthJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 55,
          "conditions": "Considering 6 cm² of copper board heat-sink",
          "source_page": 5,
          "source": "datasheet"
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      "mpn": "L78L05ABD13TRD",
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      "mpn": "L78L05ABD13TR",
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    {
      "mpn": "L78L05ABD13TRZ",
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    {
      "mpn": "L78L05ABD13TRAP",
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  "updated_at": "2026-09-24T23:33:38.766Z"
}