TL431AIDBVR

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  "title": "TL431AIDBVR",
  "brief": "Texas Instruments Voltage Reference, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
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    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
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      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on the TL431/TL431A/TL431B DBV (SOT-23-5) package pinout."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
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      },
      {
        "number": "3",
        "name": "CATHODE",
        "type": "bidirectional",
        "description": "Shunt current/voltage (I/O) terminal of the regulator; recommended continuous cathode current range is 1 mA to 100 mA (absolute maximum -100 mA to 150 mA) with cathode voltage up to 37 V absolute maximum (36 V recommended maximum)."
      },
      {
        "number": "4",
        "name": "REF",
        "type": "input",
        "description": "Reference input threshold voltage relative to the common ANODE pin; must be driven with a reference input current (typical 2 µA, max 4 µA) and is internally regulated to approximately 2.5 V (Vref = 2440-2550 mV typical range) in closed-loop operation."
      },
      {
        "number": "5",
        "name": "ANODE",
        "type": "power_in",
        "description": "Common pin of the device, described in the datasheet as typically connected to ground (通常接地); serves as the reference/return terminal for the cathode current and reference voltage."
      }
    ],
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    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
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          "name": "Reference voltage change per cathode voltage change",
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          "name": "Reference input current",
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        },
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          "name": "Dynamic impedance",
          "symbol": "|ZKA|",
          "kind": "electrical",
          "unit": "Ω",
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          "typ": 0.2,
          "max": 0.5,
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          "name": "Cathode voltage",
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          "conditions": "Minimum printed as Vref (not numeric)",
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          "name": "Continuous cathode current range",
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          "conditions": "",
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        },
        {
          "name": "Operating free-air temperature range (TL43xxI)",
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          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
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          "conditions": "Natural ventilation, TL43xxI grade",
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          "name": "Cathode voltage (absolute maximum)",
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