L78M15ABDT-TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "l78m15abdt-tr",
  "title": "L78M15ABDT-TR",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DPAK. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "l78m15abdt-tr"
  ],
  "component": {
    "mpn": "L78M15ABDT-TR",
    "manufacturer": "STMicroelectronics",
    "package": "DPAK",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.st.com/resource/en/datasheet/l78m15abdt-tr.pdf",
    "parts": {
      "symbol": "l78m15abdt-tr.kicad_sym",
      "footprint": "l78m15abdt-tr.kicad_mod",
      "model_3d": "l78m15abdt-tr-hero.glb",
      "model_3d_plain": "l78m15abdt-tr.glb",
      "model_3d_step": "l78m15abdt-tr-etched.step",
      "model_3d_step_plain": "l78m15abdt-tr.step",
      "lbr": "l78m15abdt-tr.lbr"
    },
    "distributor_links": {
      "digikey": "497-7772-2-ND",
      "lcsc": "C880081"
    },
    "pins": [
      {
        "number": "1",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated DC input voltage (V_I). Absolute maximum 35 V for 5-18 V output variants. Should be bypassed to GND with a 0.33 µF ceramic if the device is more than a few centimetres from the reservoir cap."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference for input and output. Electrically tied to the exposed thermal tab on DPAK, which also serves as the primary heat-transfer path to the PCB copper pour. Also the package tab: exposed metal tab on the DPAK backside - same net as pin 2 (GND). Soldered to a copper pour that dissipates junction heat (R_thJC ≈ 8 °C/W, R_thJA ≈ 100 °C/W on standard footprint)."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated +15 V output (typ), guaranteed 14.55-15.45 V (2 %, AB grade). Delivers up to 500 mA with adequate heat-sinking; internally current-limited (~230 mA short-circuit, typ). Bypass to GND with 0.1 µF ceramic."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/l78m15abdt-tr.pdf",
        "pages": 45,
        "sha256": "aab13a77a9bc7601",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "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": [
      {
        "file": "l78m15abdt-tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l78m15abdt-tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "018bde2957acbe49c0eae09eb4bdf26aa172fd0aa7110ee20873870a1d9671bf",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "DPAK",
      "Category": "PMIC",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "for VO = 5 to 18 V (applies to 15 V output)",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "l78m15abdt-tr"
  ],
  "discovery_pitch": "L78M15ABDT-TR (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "l78m15abdt-tr.kicad_sym",
    "l78m15abdt-tr.kicad_mod",
    "l78m15abdt-tr.glb",
    "l78m15abdt-tr.step",
    "l78m15abdt-tr-etched.step",
    "l78m15abdt-tr.lbr",
    "docs/hero.png",
    "docs/l78m15abdt-tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pads.json",
    "l78m15abdt-tr-etched.glb",
    "l78m15abdt-tr-hero.glb",
    "l78m15abdt-tr-hero.overlay.json"
  ],
  "visibility": "public",
  "variants": [
    {
      "mpn": "L78M15ABDT-TR",
      "kind": "packaging"
    },
    {
      "mpn": "L78M15ABDT-TRCV",
      "kind": "packaging"
    },
    {
      "mpn": "L78M15ABDT-TRACV",
      "kind": "packaging"
    },
    {
      "mpn": "L78M15ABDT-TRABV",
      "kind": "packaging"
    },
    {
      "mpn": "L78M15ABDT-TRCP",
      "kind": "packaging"
    },
    {
      "mpn": "L78M15ABDT-TRACP",
      "kind": "packaging"
    },
    {
      "mpn": "L78M15ABDT-TRABP",
      "kind": "packaging"
    },
    {
      "mpn": "L78M15ABDT-TR-1",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T23:39:12.844Z",
  "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DPAK. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}