L7983PUR

{
  "slug": "l7983pur",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics DC-DC Converters, DFN-10(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "l7983pur",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "l7983pur.kicad_sym",
    "l7983pur.kicad_mod",
    "l7983pur.glb",
    "l7983pur.step",
    "l7983pur.lbr",
    "docs/hero.png",
    "docs/l7983pur-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l7983pur-hero.glb",
    "l7983pur-hero.overlay.json"
  ],
  "component": {
    "mpn": "L7983PUR",
    "manufacturer": "STMicroelectronics",
    "package": "DFN-10(3x3)",
    "pin_count": 11,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908725001461760",
    "parts": {
      "symbol": "l7983pur.kicad_sym",
      "footprint": "l7983pur.kicad_mod",
      "model_3d": "l7983pur-hero.glb",
      "model_3d_plain": "l7983pur.glb",
      "model_3d_step": "l7983pur-etched.step",
      "model_3d_step_plain": "l7983pur.step",
      "lbr": "l7983pur.lbr"
    },
    "distributor_links": {
      "lcsc": "C3187561",
      "digikey": "497-L7983PURTR-ND",
      "mouser": "511-L7983PUR"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T17:56:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-L7983PURTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-L7983PUR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT/FB",
        "type": "input",
        "description": "Output voltage sensing pin; on the adjustable L7983PUR it operates as FB, sensing the output through an external resistor divider, and its absolute maximum rating is -0.3 V to 5.5 V."
      },
      {
        "number": "2",
        "name": "VBIAS",
        "type": "power_in",
        "description": "Input supply of the integrated LDO, typically connected to the regulated output or an auxiliary rail, with an absolute maximum rating of -0.3 V to VIN + 0.3 V or max. 14 V; connect to GND if not used."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_out",
        "description": "Output of the integrated LDO that supplies the internal analog circuitry, requiring a ceramic capacitor (470 nF typ.) to filter the internal voltage reference, with an absolute maximum of -0.3 V to VIN + 0.3 V or max. 3.6 V."
      },
      {
        "number": "4",
        "name": "FSW",
        "type": "passive",
        "description": "Switching frequency programming pin, where an external resistor is connected to VCC or GND, with an absolute maximum rating of -0.3 V to VCC + 0.3 V."
      },
      {
        "number": "5",
        "name": "LNM/LCM",
        "type": "input",
        "description": "Dynamic selection between Low Consumption Mode (LCM, active low) and Low Noise Mode (LNM, active high), which can also be used as the clock-in pin for synchronization to an external clock."
      },
      {
        "number": "6",
        "name": "RST",
        "type": "output",
        "description": "Active low open-collector output for output monitoring and power-up reset sequencing, driven low impedance when the output is out of regulation and released once the output becomes valid."
      },
      {
        "number": "7",
        "name": "EN/UVLO",
        "type": "input",
        "description": "Active high enable pin, VIN compatible, which can be used with an external resistor divider to adjust the input undervoltage lockout, with an absolute maximum rating of -0.3 V to VIN + 0.3 V."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "DC input voltage, operating from 3.5 V to 60 V with an absolute maximum rating of -0.3 V to 63 V."
      },
      {
        "number": "9",
        "name": "LX",
        "type": "output",
        "description": "Switching node of the regulator, with an absolute maximum rating of -0.3 V to VIN + 0.3 V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin of the device."
      },
      {
        "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: Exposed pad (E.P.) is listed in Table 1 without a numbered pin ('--'); it must be connected to GND. ; Pin 1 is labelled VOUT/FB in the datasheet and functions as VOUT or FB depending on the part number;; The absolute maximum rating values for LNM/LCM and RST are not legible in the extracted Table 2 text",
          "exposed pad 11 added from the footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0374,
        "at": "2026-10-10T17:56:06"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908725001461760",
        "pages": 43,
        "sha256": "ccf038b126583955",
        "source_tier": "lcsc"
      },
      "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": "l7983pur.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": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l7983pur-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": "f66f2f60387b98b3379cd7444668c7990871ee44ab5131bbf79736e268443880",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}