L6984ATR

{
  "slug": "l6984atr",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics DC-DC Converters, DFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "l6984atr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "l6984atr.kicad_sym",
    "l6984atr.kicad_mod",
    "l6984atr.glb",
    "l6984atr.step",
    "l6984atr.lbr",
    "docs/hero.png",
    "docs/l6984atr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l6984atr-hero.glb",
    "l6984atr-hero.overlay.json",
    "l6984atr-etched.glb"
  ],
  "component": {
    "mpn": "L6984ATR",
    "manufacturer": "STMicroelectronics",
    "package": "DFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.st.com/resource/en/datasheet/l6984atr.pdf",
    "parts": {
      "symbol": "l6984atr.kicad_sym",
      "footprint": "l6984atr.kicad_mod",
      "model_3d": "l6984atr-hero.glb",
      "model_3d_plain": "l6984atr-etched.glb",
      "model_3d_step": "l6984atr-etched.step",
      "model_3d_step_plain": "l6984atr.step",
      "lbr": "l6984atr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2071743",
      "digikey": "497-15453-2-ND",
      "mouser": "511-L6984ATR"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T18:41:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-15453-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-L6984ATR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PGOOD",
        "type": "output",
        "description": "Open collector output driven low when the FB voltage is below the VPGD L threshold, with PGOOD low impedance when FB falls to 88 % of VREF (typical)."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the error amplifier, with an absolute maximum range of -0.3 V to VCC + 0.3 V."
      },
      {
        "number": "3",
        "name": "TON",
        "type": "input",
        "description": "A resistor connected between this pin and VIN sets the switching frequency, adjustable from 250 kHz to 600 kHz."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable pin where a logic active high signal enables the device; connect to VIN if not used, with thresholds of 1.1 V (inhibited) and 2.6 V (enabled)."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground of the regulator."
      },
      {
        "number": "6",
        "name": "LX",
        "type": "output",
        "description": "Switching node, with an absolute maximum range of -0.3 V to VIN + 0.3 V."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "DC input voltage, operating from 4.5 V to 36 V with an absolute maximum of 40 V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_out",
        "description": "Embedded regulator output supplying the main switching controller, requiring an external 1 µF capacitor and regulating 3.3 V when VBIAS is below 2.4 V."
      },
      {
        "number": "9",
        "name": "VBIAS",
        "type": "power_in",
        "description": "Typically connected to the regulated output voltage; an external voltage reference can supply the analog circuitry to increase light load efficiency, and it must be connected to GND if not used."
      },
      {
        "number": "10",
        "name": "LNM",
        "type": "input",
        "description": "Connect to VCC for low noise mode (LNM) operation or to GND for low consumption mode (LCM) operation."
      },
      {
        "number": "11",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: L6984ATR is VDFPN10 3x3 tape and reel per Table 12 (page 45). Table 1 (page 4) lists pin numbers and; The exposed pad of the VDFPN10 package is not listed in Table 1 and is not included in the pins belo; VBIAS type is a judgement call. The datasheet says it is typically connected to the regulated output"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0155,
        "at": "2026-10-31T18:41:24"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/l6984atr.pdf",
        "pages": 47,
        "sha256": "9a7f76997b209e2b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "l6984atr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l6984atr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          2.98,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3140e8c0f243f201e35d5a93393de34535eb6c47dcffa2c4b282aebee3edfda6",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}