TPTLV431BQDBZR

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  "title": "TPTLV431BQDBZR",
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    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Reference",
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    "pins": [
      {
        "number": "1",
        "name": "REF",
        "type": "input",
        "description": "Reference input pin. Compared internally to the ~1.24V bandgap reference; used with an external resistor divider between CATHODE and ANODE to set the cathode voltage (Vka = Vref*(1+R1/R2) + Iref*R1). Reference input current typ 0.7µA, max 4µA."
      },
      {
        "number": "2",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode (K) of the shunt regulator. Sinks the regulation current; Vka rated to 18V max, continuous cathode current range 0.1mA to 100mA (abs max -100 to +150mA). Dynamic impedance 0.05Ω typ."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode (A) of the shunt regulator. All voltages in the datasheet are referenced to this pin; typically tied to the low-side of the feedback divider / ground return."
      }
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        "described": 3,
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        -0.95
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  "metadata": {
    "specs": {
      "Manufacturer": "TECH PUBLIC",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
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  "author": {
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  "updated_at": "2026-09-25T12:52:46.579Z"
}