MC78L12ABDR2G

{
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  "type": "component",
  "slug": "mc78l12abdr2g",
  "title": "MC78L12ABDR2G",
  "brief": "onsemi 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",
  "tags": [
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    "pmic",
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  "component": {
    "mpn": "MC78L12ABDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc78l12ab-d.pdf",
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    "distributor_links": {
      "digikey": "MC78L12ABDR2GOSTR-ND",
      "lcsc": "C232656"
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    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated +12 V output, 100 mA capability (min 11.4 V, typ 12.0 V, max 12.6 V). Recommended 0.1 µF ceramic capacitor to GND for transient response."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return. On this internally-modified SO-8 package, pins 2, 3, 6, 7 are electrically common to the die-attach flag for improved thermal dissipation."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return. Electrically common with pins 2, 6, 7 and die-attach flag for thermal enhancement."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to GND per board layout preference."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to GND per board layout preference."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return. Electrically common with pins 2, 3, 7 and die-attach flag for thermal enhancement."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return. Electrically common with pins 2, 3, 6 and die-attach flag for thermal enhancement."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated positive supply input. Operating range typically 14.5-27 V for the 12 V variant; absolute maximum 35 V. Requires 0.33 µF input capacitor if placed appreciable distance from supply filter."
      }
    ],
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        "pages": 19,
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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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    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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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"
    },
    "models_3d": [
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "PMIC",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6ff9a93de09c52e0",
      "rows": [
        {
          "name": "Output Voltage (TJ = +25°C)",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 11.5,
          "typ": 12,
          "max": 12.5,
          "conditions": "TJ = +25°C",
          "source_page": 4,
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        },
        {
          "name": "Output Voltage (14.5 Vdc ≤ VI ≤ 27 Vdc, 1.0 mA ≤ IO ≤ 40 mA)",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 11.4,
          "typ": null,
          "max": 12.6,
          "conditions": "14.5 Vdc ≤ VI ≤ 27 Vdc, 1.0 mA ≤ IO ≤ 40 mA",
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        {
          "name": "Output Voltage (VI = 19 V, 1.0 mA ≤ IO ≤ 70 mA)",
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          "kind": "electrical",
          "unit": "Vdc",
          "min": 11.4,
          "typ": null,
          "max": 12.6,
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        },
        {
          "name": "Line Regulation (14.5 Vdc ≤ VI ≤ 27 Vdc)",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 120,
          "max": 250,
          "conditions": "TJ = +25°C, IO = 40 mA, 14.5 Vdc ≤ VI ≤ 27 Vdc",
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        },
        {
          "name": "Line Regulation (16 Vdc ≤ VI ≤ 27 Vdc)",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "TJ = +25°C, IO = 40 mA, 16 Vdc ≤ VI ≤ 27 Vdc",
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        },
        {
          "name": "Load Regulation (1.0 mA ≤ IO ≤ 100 mA)",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 100,
          "conditions": "TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA",
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        {
          "name": "Load Regulation (1.0 mA ≤ IO ≤ 40 mA)",
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          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 50,
          "conditions": "TJ = +25°C, 1.0 mA ≤ IO ≤ 40 mA",
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        },
        {
          "name": "Input Bias Current (TJ = +25°C)",
          "symbol": "IIB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.2,
          "max": 6.5,
          "conditions": "TJ = +25°C",
          "source_page": 4,
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        },
        {
          "name": "Input Bias Current (TJ = +125°C)",
          "symbol": "IIB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "TJ = +125°C",
          "source_page": 4,
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        },
        {
          "name": "Input Bias Current Change (16 Vdc ≤ VI ≤ 27 Vdc)",
          "symbol": "IIB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "16 Vdc ≤ VI ≤ 27 Vdc",
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        {
          "name": "Input Bias Current Change (1.0 mA ≤ IO ≤ 40 mA)",
          "symbol": "IIB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "1.0 mA ≤ IO ≤ 40 mA",
          "source_page": 4,
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        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 37,
          "typ": 42,
          "max": null,
          "conditions": "IO = 40 mA, f = 120 Hz, 15 V ≤ VI ≤ 25 V, TJ = +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature (MC78LXXAB)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "MC78LXXAB, −40°C < TJ < +125°C",
          "source_page": 4,
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        },
        {
          "name": "Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)",
          "symbol": "Vn",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "TA = +25°C, 10 Hz ≤ f ≤ 100 kHz",
          "source_page": 4,
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        },
        {
          "name": "Dropout Voltage (TJ = +25°C)",
          "symbol": "VI − VO",
          "kind": "electrical",
          "unit": "Vdc",
          "min": null,
          "typ": 1.7,
          "max": null,
          "conditions": "TJ = +25°C",
          "source_page": 4,
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        {
          "name": "Input Voltage (12 V−18 V output devices)",
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          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "Input Voltage (12 V−18 V) row",
          "source_page": 2,
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        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "Maximum Junction Temperature",
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        {
          "name": "ESD Capability, Human Body Model",
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          "unit": "V",
          "min": null,
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          "max": 2000,
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          "name": "ESD Capability, Machine Model",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
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          "max": 200,
          "conditions": "Note 1, AEC-Q100-003",
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        {
          "name": "ESD Capability, Charged Device Model",
          "symbol": "ESDCDM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "Note 1, EIA/JESD22-C101",
          "source_page": 2,
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      "mpn": "MC78L12ABDR2G",
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  "updated_at": "2026-09-28T18:57:08.609Z"
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