L78M05ACDT-TR

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  "slug": "l78m05acdt-tr",
  "title": "L78M05ACDT-TR",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "L78M05ACDT-TR",
    "manufacturer": "STMicroelectronics",
    "package": "TO-252-2(DPAK)",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.st.com/resource/en/datasheet/l78m05acdt-tr.pdf",
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    "distributor_links": {
      "digikey": "497-1202-2-ND",
      "mouser": "511-L78M05ACDT-TR",
      "lcsc": "C173987"
    },
    "pins": [
      {
        "number": "1",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated DC input voltage. For a 5 V output, VI must be at least ~7 V (dropout ≈ 2 V typ). Absolute max VI = 35 V. A 0.33 µF ceramic bypass capacitor to GND is recommended close to this pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / common reference for input and output. On the DPAK package the GND pin is electrically and thermally common with the exposed metal tab, which serves as the primary heat-sinking surface (RthJC = 8 °C/W, RthJA = 100 °C/W). Also the package tab: exposed DPAK metal tab, internally connected to pin 2 (GND). Provides the primary thermal path to the PCB copper pour for heat dissipation."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated +5 V output, 4.8 V to 5.2 V over line/load/temperature. Delivers up to 500 mA (guaranteed 350 mA test condition) with internal short-circuit current limit (~300 mA typ, 700 mA peak). A 0.1 µF ceramic capacitor to GND improves transient response."
      }
    ],
    "provenance": {
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        "pages": 29,
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 4,
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        "refuses_to_fabricate": true
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    "pin1": {
      "pad": "1",
      "at": [
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        -2.28
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      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TO-252-2@sha256:18c28e5e147d5e9b",
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        "checked": "2026-10-07",
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  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "TO-252-2(DPAK)",
      "Category": "PMIC",
      "Pins": "4"
    },
    "characteristics": {
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      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "for VO = 5 to 18 V",
          "source_page": 5,
          "source": "datasheet"
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    }
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  "discovery_pitch": "L78M05ACDT-TR (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
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    {
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    {
      "mpn": "L78M05ACDT-TRCV",
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  ],
  "updated_at": "2026-09-24T23:37:36.348Z",
  "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}