LD1117DT33TR

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  "title": "LD1117DT33TR",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "package": "TO-252-2",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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      "digikey": "497-1236-2-ND",
      "mouser": "511-LD1117DT33-TR",
      "lcsc": "C132629"
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        "name": "GND",
        "type": "power_in",
        "description": "Ground / common return. Reference for both the input and 3.3 V output."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3 V output, up to 800 mA. Requires a 10 µF minimum output capacitor for loop stability. Electrically tied to the DPAK TAB. Also the package tab: dPAK metal tab, electrically connected to VOUT. Serves as the primary heat-sinking path (RthJC = 8 °C/W)."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated DC input, 4.3 V to 15 V typical (absolute max 15 V continuous, 18 V with IOUT < 20 mA). A 100 nF input decoupling capacitor is recommended."
      }
    ],
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 4,
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    "pin1": {
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      "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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  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "TO-252-2",
      "Category": "PMIC",
      "Pins": "4"
    },
    "characteristics": {
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          "name": "Output voltage (Vin = 5.3 V, IO = 10 mA, TJ = 25 °C)",
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          "min": 3.267,
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          "symbol": "Id",
          "kind": "electrical",
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          "max": 10,
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        },
        {
          "name": "Supply voltage rejection",
          "symbol": "SVR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 75,
          "max": null,
          "conditions": "IO = 40 mA, f = 120 Hz, TJ = 25 °C, Vin = 6.3 V, Vripple = 1 VPP",
          "source_page": 12,
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        },
        {
          "name": "Dropout voltage (100 mA)",
          "symbol": "Vd",
          "kind": "electrical",
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          "typ": 1,
          "max": 1.1,
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        },
        {
          "name": "Dropout voltage (500 mA)",
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          "name": "Dropout voltage (800 mA)",
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          "max": 1.2,
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        },
        {
          "name": "Thermal regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/W",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "Ta = 25 °C, 30 ms pulse",
          "source_page": 12,
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        },
        {
          "name": "Operating input voltage",
          "symbol": "Vin",
          "kind": "recommended_operating",
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          "conditions": "IO = 100 mA",
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        },
        {
          "name": "Temperature stability",
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          "kind": "electrical",
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        {
          "name": "Long term stability",
          "symbol": "ΔVO",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "1000 hrs, TJ = 125 °C",
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          "source": "datasheet"
        },
        {
          "name": "Input voltage (DC, absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "Footnote 1: VIN = 18 V absolute maximum when IOUT is lower than 20 mA",
          "source_page": 7,
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        },
        {
          "name": "Power dissipation",
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        {
          "name": "Storage temperature range",
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          "min": 0,
          "typ": null,
          "max": 125,
          "conditions": "Standard version",
          "source_page": 7,
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        },
        {
          "name": "Thermal resistance junction-case (DPAK)",
          "symbol": "RthJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 8,
          "max": null,
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        {
          "name": "Thermal resistance junction-ambient (DPAK)",
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    {
      "mpn": "LD1117DT33TRS33TR",
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  "updated_at": "2026-09-24T23:47:29.115Z"
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