TL431CLPR

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  "title": "TL431CLPR",
  "brief": "Texas Instruments Voltage Reference, TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "TO-92-3",
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    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tl431",
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        "name": "CATHODE",
        "type": "output",
        "description": "Cathode output for parallel shunt regulation, accepts 1 to 100 mA continuous current, provides programmable output voltage from 2.5V to 36V with typical output impedance of 0.2Ω, referenced to anode."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "power_in",
        "description": "Ground reference pin connected to system ground, provides voltage reference for the internal 2.5V reference and all circuit operations."
      },
      {
        "number": "3",
        "name": "REF",
        "type": "input",
        "description": "Reference input pin compared against 2.5V ±0.5% (C-grade) internal reference, requires 2 to 4 µA input current, set output voltage via external feedback resistor divider network."
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        "at": "2026-09-23T16:21:11"
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        "described": 3,
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TO-92-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
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    "characteristics": {
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          "name": "Reference voltage deviation over full temperature range (all other devices, not SOT23-3 / TL432)",
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        {
          "name": "Minimum cathode current for regulation",
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          "name": "Off-state cathode current",
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          "kind": "electrical",
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          "symbol": "|ZKA|",
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          "unit": "Ω",
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          "name": "Cathode voltage (absolute maximum)",
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          "conditions": "All voltages referenced to ANODE",
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          "name": "Continuous cathode current range (absolute maximum)",
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          "name": "Reference input current (absolute maximum)",
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  "updated_at": "2026-09-25T09:57:34.393Z"
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