UA78M05CDCYR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ua78m05cdcyr",
  "title": "UA78M05CDCYR",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "ua78m05cdcyr"
  ],
  "component": {
    "mpn": "UA78M05CDCYR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ua78m05cdcyr.pdf",
    "parts": {
      "symbol": "ua78m05cdcyr.kicad_sym",
      "footprint": "ua78m05cdcyr.kicad_mod",
      "model_3d": "ua78m05cdcyr-etched.glb",
      "model_3d_plain": "ua78m05cdcyr.glb",
      "model_3d_step": "ua78m05cdcyr-etched.step",
      "model_3d_step_plain": "ua78m05cdcyr.step",
      "lbr": "ua78m05cdcyr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated positive supply input. Recommended input voltage range 7 V to 25 V for the 5 V version (uA78M05); absolute maximum 35 V. A 0.33 uF ceramic bypass capacitor to COMMON is recommended close to the pin."
      },
      {
        "number": "2",
        "name": "COMMON",
        "type": "power_in",
        "description": "Common/ground reference for the regulator. On the DCY (SOT-223) package this pin is also thermally/electrically tied to the tab and provides the primary heat-sinking path."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated 5 V output, up to 500 mA. A 0.1 uF ceramic bypass capacitor to COMMON is recommended close to the pin for stability and transient response."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ua78m05cdcyr.pdf",
        "pages": 30,
        "sha256": "5b532832c6c871c9",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "ua78m05cdcyr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ua78m05cdcyr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "acab78ccfee036a2149b12b4d99183945ddea81a606098409321d136621528bd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-223",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ua78m05cdcyr"
  ],
  "discovery_pitch": "UA78M05CDCYR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ua78m05cdcyr.kicad_sym",
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    "ua78m05cdcyr.step",
    "ua78m05cdcyr.lbr",
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    "docs/ua78m05cdcyr-datasheet.pdf",
    "viewers/symbol.html",
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "UA78M05CDCYR",
      "kind": "packaging"
    },
    {
      "mpn": "UA78M05CDCYRKC",
      "kind": "packaging"
    },
    {
      "mpn": "UA78M05CDCYRKCS",
      "kind": "packaging"
    },
    {
      "mpn": "UA78M05CDCYRKVU",
      "kind": "packaging"
    },
    {
      "mpn": "UA78M05CDCYRKTP",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T13:26:03.071Z"
}