MC79M05BDTRKG

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc79m05bdtrkg",
  "title": "MC79M05BDTRKG",
  "brief": "onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DPAK-3. 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",
    "mc79m05bdtrkg"
  ],
  "component": {
    "mpn": "MC79M05BDTRKG",
    "manufacturer": "onsemi",
    "package": "DPAK-3",
    "pin_count": 4,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc79m05bdtrk-d.pdf",
    "parts": {
      "symbol": "mc79m05bdtrkg.kicad_sym",
      "footprint": "mc79m05bdtrkg.kicad_mod",
      "model_3d": "mc79m05bdtrkg-etched.glb",
      "model_3d_plain": "mc79m05bdtrkg.glb",
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      "model_3d_step_plain": "mc79m05bdtrkg.step",
      "lbr": "mc79m05bdtrkg.lbr"
    },
    "distributor_links": {
      "digikey": "MC79M05BDTRKGOSTR-ND",
      "mouser": "863-MC79M05BDTRKG",
      "lcsc": "C126401"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference. Must be shared between the input and output voltages. In the DPAK-3 package this pin is also electrically common with the tab (pin 4)."
      },
      {
        "number": "2",
        "name": "VI",
        "type": "power_in",
        "description": "Unregulated negative input supply. Absolute maximum input voltage is -35 Vdc. Must remain typically 1.1 V more negative than VO (dropout voltage) even during ripple peaks. A 0.33 uF input bypass capacitor (Cin) is recommended when the regulator is located an appreciable distance from the power supply filter."
      },
      {
        "number": "3",
        "name": "VO",
        "type": "power_out",
        "description": "Regulated -5.0 V output (tolerance +/-4.0% for the B-grade, TJ = -40 to +125 C). Delivers up to 500 mA with proper heatsinking. A 1.0 uF output capacitor (CO) is recommended to improve stability and transient response."
      },
      {
        "number": "4",
        "name": "TAB",
        "type": "power_in",
        "description": "Exposed thermal tab on the DPAK-3 package. Electrically connected to pin 1 (GND). Should be soldered to a copper pour for heat dissipation; copper area determines effective theta_JA (see Figure 1 on page 4)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc79m05bdtrk-d.pdf",
        "pages": 9,
        "sha256": "cab487486a5292f6",
        "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"
    },
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        "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": "mc79m05bdtrkg-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": "3ee2d4d958e3482e3bb73440f9c38c99a3adfa4832850fa53326d8758e786aeb",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "DPAK-3",
      "Category": "PMIC",
      "Pins": "4"
    }
  },
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "mc79m05bdtrkg"
  ],
  "discovery_pitch": "MC79M05BDTRKG (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mc79m05bdtrkg.kicad_sym",
    "mc79m05bdtrkg.kicad_mod",
    "mc79m05bdtrkg.glb",
    "mc79m05bdtrkg.step",
    "mc79m05bdtrkg-etched.step",
    "mc79m05bdtrkg.lbr",
    "docs/hero.png",
    "docs/mc79m05bdtrkg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MC79M05BDTRKG",
      "kind": "packaging"
    },
    {
      "mpn": "MC79M05BDTRKGBDTG",
      "kind": "packaging"
    },
    {
      "mpn": "MC79M05BDTRKGCDT",
      "kind": "packaging"
    },
    {
      "mpn": "MC79M05BDTRKGCDTG",
      "kind": "packaging"
    },
    {
      "mpn": "MC79M05BDTRKGCDTRK",
      "kind": "packaging"
    },
    {
      "mpn": "MC79M05BDTRKGCDTRKG",
      "kind": "packaging"
    },
    {
      "mpn": "MC79M05BDTRKGBT",
      "kind": "packaging"
    },
    {
      "mpn": "MC79M05BDTRKGBTG",
      "kind": "packaging"
    },
    {
      "mpn": "MC79M05BDTRKGCT",
      "kind": "packaging"
    },
    {
      "mpn": "MC79M05BDTRKGCTG",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T19:00:37.267Z"
}