DIO8280AXS8

{
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  "type": "component",
  "slug": "dio8280axs8",
  "title": "DIO8280AXS8",
  "brief": "DIOO LED Drivers, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "nixie tube driver-led driver",
    "dio8280axs8",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DIO8280AXS8",
    "manufacturer": "DIOO",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "Nixie Tube Driver/LED Driver",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/74bbaf10d6d67714d103096551cb75f3.pdf",
    "parts": {
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      "model_3d_step_plain": "dio8280axs8.step",
      "lbr": "dio8280axs8.lbr"
    },
    "distributor_links": {
      "lcsc": "C7494972",
      "mouser": "453-DIO8280AXS8"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:03:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "453-DIO8280AXS8",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SENN",
        "type": "input",
        "description": "Negative current sense pin; the current sense limit across SEN-SENN is 200mV typical and the pin is rated -0.3 to 90V."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Enable and PWM dimming input pin, with turn-on threshold 1.28V, turn-off threshold 0.56V, and rated -0.3 to 90V."
      },
      {
        "number": "3",
        "name": "CF",
        "type": "input",
        "description": "Connect a capacitor to ground to filter AC ripple on the reference voltage, or apply 0~1.2V directly for linear dimming."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "5",
        "name": "LX",
        "type": "passive",
        "description": "Power MOSFET drain pin connected to the inductor node, rated -0.3 to 90V."
      },
      {
        "number": "6",
        "name": "LX",
        "type": "passive",
        "description": "Power MOSFET drain pin connected to the inductor node, rated -0.3 to 90V."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, 16 to 85V recommended, to be decoupled to GND with a ceramic capacitor."
      },
      {
        "number": "8",
        "name": "SEN",
        "type": "input",
        "description": "Positive current sense pin, rated -0.3 to 90V; PWM is disabled if VSEN-VSENN is 0.3V or more."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The exposed pad is drawn in Figure 1 and labelled GND, but it has no pin number. The layout section ; The datasheet does not state ERC types for LX, SEN or SENN. They are inferred from the pin function ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.2347,
        "at": "2026-10-23T12:02:35"
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        "pages": 9,
        "sha256": "d266813ec5191a25",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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  "metadata": {
    "specs": {
      "Manufacturer": "DIOO",
      "Package": "SOP-8-EP",
      "Category": "Nixie Tube Driver/LED Driver",
      "Pins": "9"
    },
    "appearance": {
      "contacts": {
        "quote": "problems, we should place the following components close to the IC: CVIN, L, COUT, CF and RCS. 1) It is desirable to maximize the PCB copper area connecting to GND pin to achieve the best thermal and",
        "page": 7,
        "doc": "ds.pdf",
        "material": "copper"
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    "characteristics": {
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      "rows": [
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          "name": "Input Voltage Range",
          "symbol": "VIN",
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          "unit": "V",
          "min": 16,
          "typ": null,
          "max": 85,
          "conditions": "VIN = 24V, VOUT = 12V, IOUT = 100mA, TA = 25°C",
          "source_page": 4,
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        },
        {
          "name": "Shutdown Current",
          "symbol": "IDN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
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          "max": 10,
          "conditions": "EN=0",
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        },
        {
          "name": "Current Sense Limit",
          "symbol": "VSEN-SENN",
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          "unit": "mV",
          "min": 196,
          "typ": 200,
          "max": 204,
          "conditions": "",
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        },
        {
          "name": "Power MOSFET ON Resistance",
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        {
          "name": "Power MOSFET Current Limit",
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        {
          "name": "Switching Frequency",
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          "unit": "kHz",
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        {
          "name": "EN turn-on Threshold",
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          "min": null,
          "typ": 1.28,
          "max": null,
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        {
          "name": "EN turn-off Threshold",
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          "max": null,
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        {
          "name": "VIN turn-on threshold",
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          "max": null,
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        {
          "name": "VIN turn-off threshold",
          "symbol": "VVIN,OFF",
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          "unit": "V",
          "min": null,
          "typ": 6.8,
          "max": null,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Analog dimming range on CF",
          "symbol": "VCF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "ILED=10%",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Analog dimming range on CF",
          "symbol": "VCF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "ILED=100%",
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        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
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        {
          "name": "Thermal Hysteresis",
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          "unit": "°C",
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          "typ": 30,
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          "conditions": "",
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        },
        {
          "name": "Abs max LX, VIN, EN, SEN, SENN",
          "symbol": "",
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          "min": -0.3,
          "typ": null,
          "max": 90,
          "conditions": "",
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        },
        {
          "name": "Abs max all other pins",
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          "min": -0.3,
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        {
          "name": "Power Dissipation",
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          "max": 3.3,
          "conditions": "TA=25°C",
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        },
        {
          "name": "Junction Temperature Range (abs max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
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          "conditions": "",
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        {
          "name": "Lead Temperature",
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          "unit": "°C",
          "min": null,
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        {
          "name": "Storage Temperature Range",
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          "unit": "°C",
          "min": -65,
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        {
          "name": "Recommended VIN, LX, EN, SEN, SENN",
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        {
          "name": "Recommended all other pins",
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        {
          "name": "Recommended Junction Temperature Range",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "ΘJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Thermal Resistance Junction-to-Case",
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          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
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