LR431AKLT1G

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  "title": "LR431AKLT1G",
  "brief": "LRC Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOT-23",
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    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
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      "lcsc": "C383260"
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    "pins": [
      {
        "number": "1",
        "name": "REF",
        "type": "input",
        "description": "Reference input pin connected to internal 2.5 V error-amplifier; reference input current Iref 0.5 µA typ / 1.2 µA max (IKA = 10 mA, R1 = 10 kΩ); full-temperature deviation 0.4 µA typ / 1.2 µA max."
      },
      {
        "number": "2",
        "name": "K",
        "type": "power_in",
        "description": "Cathode terminal; regulated supply node with VKA range VREF to 36 V; continuous cathode current −100 mA to +150 mA; minimum cathode current for regulation 0.08 mA typ / 0.3 mA max; dynamic impedance 0.1 Ω typ at 1 kHz."
      },
      {
        "number": "3",
        "name": "A",
        "type": "power_in",
        "description": "Anode terminal; connect to circuit ground reference; all voltages and the 2.5 V internal reference are measured with respect to this pin."
      }
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        "at": "2026-09-22T05:49:37"
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  "metadata": {
    "specs": {
      "Manufacturer": "LRC",
      "Package": "SOT-23",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
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    "characteristics": {
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          "name": "Reference Input Voltage 1 (0.5% grade, Vref 2.50 V class)",
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        {
          "name": "Minimum cathode current for regulation",
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        {
          "name": "Off-state cathode current",
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        },
        {
          "name": "Dynamic impedance",
          "symbol": "ZKA",
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          "max": 0.37,
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        {
          "name": "Cathode current (continuous) recommended range",
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  "updated_at": "2026-09-28T18:04:28.349Z"
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