AN431AN-ATRG1

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  "title": "AN431AN-ATRG1",
  "brief": "Diodes Incorporated Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "AN431AN-ATRG1",
    "manufacturer": "Diodes Incorporated",
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    "subcategory": "Voltage Reference",
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      {
        "number": "1",
        "name": "CATHODE",
        "type": "input",
        "description": "Cathode (K). Current-sink terminal of the shunt regulator; regulates VKA (VREF≤VKA≤36 V) by sinking 1-100 mA (100 mA continuous max, ±150 mA absolute max). Off-state leakage ≤1 µA at VKA=36 V."
      },
      {
        "number": "2",
        "name": "REF",
        "type": "input",
        "description": "Reference input. High-impedance sense pin compared internally against the 2.500 V bandgap reference; drive from an external divider between CATHODE and ANODE to program VKA=VREF·(1+R1/R2). Reference input current ≤4 µA typ, absolute max IREF=10 mA."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "power_in",
        "description": "Anode (A). Return terminal of the shunt regulator; typically tied to circuit ground. Sinks the combined cathode plus reference-input current."
      }
    ],
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      "source": "silk-marker",
      "derived_from": "SOT-23@sha256:0d88c86c1b6d8c1a",
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  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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        {
          "name": "Reference Voltage (0.5% grade)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 2.487,
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        {
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          "name": "Ratio of Change in Reference Voltage to Change in Cathode Voltage (ΔVKA=10V to VREF)",
          "symbol": "ΔVREF/ΔVKA",
          "kind": "electrical",
          "unit": "mV/V",
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          "unit": "mV/V",
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        {
          "name": "Reference Current",
          "symbol": "IREF",
          "kind": "electrical",
          "unit": "µA",
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          "max": 4,
          "conditions": "IKA=10mA, R1=10KΩ, R2=∞",
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        },
        {
          "name": "Deviation of Reference Current Over Full Temperature Range",
          "symbol": "ΔIREF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.4,
          "max": 1.2,
          "conditions": "IKA=10mA, R1=10KΩ, R2=∞, TA=-40 to +125°C",
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        {
          "name": "Minimum Cathode Current for Regulation",
          "symbol": "IKA (Min)",
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          "max": 1,
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        {
          "name": "Off-state Cathode Current",
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          "unit": "µA",
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          "max": 1,
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        },
        {
          "name": "Dynamic Impedance",
          "symbol": "ZKA",
          "kind": "electrical",
          "unit": "Ω",
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          "max": 0.5,
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          "conditions": "",
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        },
        {
          "name": "Operating Ambient Temperature Range",
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          "min": -40,
          "typ": null,
          "max": 125,
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          "name": "Cathode Voltage",
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          "name": "Cathode Current Range (Continuous)",
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          "name": "Reference Input Current Range",
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        {
          "name": "Power Dissipation",
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        {
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          "name": "Thermal Resistance, Junction to Case",
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          "unit": "ºC/W",
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  "updated_at": "2026-09-24T16:24:20.796Z"
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