main
Ray atl432libidbzr: specified limits as data (metadata.characteristics, 23 rows from the datasheet) 28396dc 21d ago
{
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  "type": "component",
  "slug": "atl432libidbzr",
  "title": "ATL432LIBIDBZR",
  "brief": "Texas Instruments Voltage References, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "ATL432LIBIDBZR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Supply Chip",
    "subcategory": "Voltage References",
    "datasheet": "https://www.ti.com/cn/lit/gpn/atl431li",
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        "name": "REF",
        "type": "input",
        "description": "Reference feedback input with maximum 0.4 µA bias current for programmable output voltage setting"
      },
      {
        "number": "2",
        "name": "CATHODE",
        "type": "output",
        "description": "Regulated output voltage and current sink pin rated for maximum 37 V and continuous 0.1 mA to 15 mA"
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      {
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        "type": "power_in",
        "description": "Common ground reference pin, typically connected to system ground"
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        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
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        "cost_usd": 0.272,
        "at": "2026-09-17T21:57:04"
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        "pages": 40,
        "sha256": "68e0ac1b6eb6b764",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.0,
          1.2
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-3",
      "Category": "Power Supply Chip",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "68e0ac1b6eb6b764",
      "rows": [
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          "name": "Reference voltage (B grade, 0.5%)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": 2487,
          "typ": 2500,
          "max": 2512,
          "conditions": "VKA = Vref, IKA = 1mA; ATL43xLIBx device",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Initial reference voltage tolerance at 25°C (B grade)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "25°C, B grade",
          "source_page": 1,
          "source": "datasheet"
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        {
          "name": "Reference voltage deviation over temperature range (I grade)",
          "symbol": "VI(dev)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 6,
          "max": 17,
          "conditions": "VKA = Vref, IKA = 1mA; ATL43xLIxI device",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage change per cathode voltage change, ΔVKA = 10V - Vref",
          "symbol": "ΔVref / ΔVKA",
          "kind": "voltage_coefficient",
          "unit": "mV/V",
          "min": null,
          "typ": -1.4,
          "max": -2.7,
          "conditions": "IKA = 1mA; ΔVKA = 10V - Vref",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage change per cathode voltage change, ΔVKA = 36V - 10V",
          "symbol": "ΔVref / ΔVKA",
          "kind": "voltage_coefficient",
          "unit": "mV/V",
          "min": null,
          "typ": -1,
          "max": -2,
          "conditions": "IKA = 1mA; ΔVKA = 36V - 10V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Reference input current",
          "symbol": "Iref",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "IKA = 1mA, R1 = 10kΩ, R2 = ∞",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Reference input current deviation over temperature range",
          "symbol": "II(dev)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 0.3,
          "conditions": "IKA = 1mA, R1 = 10kΩ, R2 = ∞",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum cathode current for regulation",
          "symbol": "Imin",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 65,
          "max": 80,
          "conditions": "VKA = Vref",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Off-state cathode current",
          "symbol": "Ioff",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VKA = 36V, Vref = 0",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dynamic impedance",
          "symbol": "|ZKA|",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.3,
          "max": 0.65,
          "conditions": "VKA = Vref, IKA = 1mA to 15mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Cathode voltage (recommended)",
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          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous cathode current range (recommended)",
          "symbol": "IKA",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0.1,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature (I grade)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "ATL43xLIxI, natural air",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Cathode voltage (absolute maximum)",
          "symbol": "VKA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 37,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous cathode current range (absolute maximum)",
          "symbol": "IKA",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reference input current (absolute maximum)",
          "symbol": "II(ref)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -5,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
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          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (DBZ, 3 pin)",
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          "unit": "°C/W",
          "min": null,
          "typ": 371.7,
          "max": null,
          "conditions": "",
          "source_page": 4,
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          "name": "Junction-to-case (top) thermal resistance (DBZ, 3 pin)",
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          "unit": "°C/W",
          "min": null,
          "typ": 145.9,
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          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Junction-to-board thermal resistance (DBZ, 3 pin)",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 104.7,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter (DBZ, 3 pin)",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 23.9,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter (DBZ, 3 pin)",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 102.9,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
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  "updated_at": "2026-09-24T17:16:40.309Z"
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