78L05-150

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  "type": "component",
  "slug": "78l05-150",
  "title": "78L05-150",
  "brief": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "78L05-150",
    "manufacturer": "UMW",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e7c2886c04cafd031555e56bf2c9baaa.pdf",
    "parts": {
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      "footprint": "78l05-150.kicad_mod",
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      "model_3d_plain": "78l05-150.glb",
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      "lbr": "78l05-150.lbr"
    },
    "distributor_links": {
      "lcsc": "C347268"
    },
    "pins": [
      {
        "number": "1",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated 5V output. Typical VO=5V (min 4.95V, max 5.05V) at TJ=25°C. Maximum output current 150mA. Requires a 0.1µF ceramic output capacitor (CO) close to the pin for stability."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference for both input and output. Also serves as the thermal path in SOT-89 via the enlarged center pad/tab."
      },
      {
        "number": "3",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated DC input supply. Absolute maximum VI=35V (for VO=3.3~18V variants) or 40V (VO=24V variant). Typical dropout voltage 1.7V. A 0.33µF input capacitor (C1) is recommended near the pin if the regulator is far from the bulk supply filter."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
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        "pages": 17,
        "sha256": "fe2f4e8f0d975d52",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.95,
        -1.5
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-89-3@sha256:0b8db9f4a8f2547a",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "78l05-150.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-07",
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        "units": "mm",
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        "extents_mm": [
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        "zmin_mm": 0.0,
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        "sha256": "5d7859a18b7c9ef0d581dd828062ae2ce8c1519a11ff778b3bd208f905699409",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOT-89-3",
      "Category": "PMIC",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Output voltage",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "V",
          "min": 4.95,
          "typ": 5,
          "max": 5.05,
          "conditions": "TJ=25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (for VO=3.3~18V)",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "for VO=3.3~18V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "High power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Junction Temperature Range",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "78L05-150 (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "files": [
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    "78l05-150.step",
    "78l05-150-etched.step",
    "78l05-150.lbr",
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  "visibility": {
    "public": true
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  "updated_at": "2026-09-24T15:20:30.994Z"
}