L99VR01STR

{
  "schema_version": 1,
  "type": "component",
  "slug": "l99vr01str",
  "title": "L99VR01STR",
  "brief": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SO-8. 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",
    "power management (pmic)",
    "l99vr01str",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "L99VR01STR",
    "manufacturer": "STMicroelectronics",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590239149862662144",
    "parts": {
      "symbol": "l99vr01str.kicad_sym",
      "footprint": "l99vr01str.kicad_mod",
      "model_3d": "l99vr01str-hero.glb",
      "model_3d_plain": "l99vr01str.glb",
      "model_3d_step": "l99vr01str-etched.step",
      "model_3d_step_plain": "l99vr01str.step",
      "lbr": "l99vr01str.lbr"
    },
    "distributor_links": {
      "lcsc": "C3752455",
      "digikey": "497-L99VR01STR-ND",
      "mouser": "511-L99VR01STR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T23:55:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-L99VR01STR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-L99VR01STR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VS",
        "type": "power_in",
        "description": "Supply voltage input (DC absolute maximum -0.3 V to 28 V, with 40 V single-pulse load dump); block directly to ground with a ceramic capacitor of at least 4.7 µF and a 100 nF capacitor placed as close as possible to the pin."
      },
      {
        "number": "2",
        "name": "SEL1",
        "type": "input",
        "description": "Output voltage selector input, with the input voltage limited to -0.3 V to VS + 0.3 V; together with SEL2 and SEL3 it selects the output voltage from 0.8 V to 5 V."
      },
      {
        "number": "3",
        "name": "SEL2",
        "type": "input",
        "description": "Output voltage selector input, with the input voltage limited to -0.3 V to VS + 0.3 V; together with SEL1 and SEL3 it selects the output voltage from 0.8 V to 5 V."
      },
      {
        "number": "4",
        "name": "SEL3",
        "type": "input",
        "description": "Output voltage selector input, with the input voltage limited to -0.3 V to VS + 0.3 V; together with SEL1 and SEL2 it selects the output voltage from 0.8 V to 5 V."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable input (limited to -0.3 V to VS + 0.3 V): high enables the regulator, watchdog and reset, while low shuts them down and turns on the fast output discharge; connect to VS to keep the device always enabled."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "7",
        "name": "RST",
        "type": "output",
        "description": "Reset output, pulled down when the output voltage goes below Vo_th; limited to -0.3 V to VO + 0.3 V and can be left floating if not used."
      },
      {
        "number": "8",
        "name": "VO",
        "type": "power_out",
        "description": "Voltage regulator output (200 mA capability); block to ground with a capacitor of at least 3.3 µF for regulator stability."
      }
    ],
    "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: The datasheet excerpt does not include the ordering information table, so the mapping from the MPN L; Pin 7 (RST) is described in the table with the watchdog-related function, which is stated as applyin; Pins TW (thermal warning), IShort, VCW and Wi are PowerSSO-12-only in Table 1 and have no SO-8 pin, "
        ],
        "pages_sent": 9,
        "cost_usd": 0.0396,
        "at": "2026-10-08T23:54:04"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590239149862662144",
        "pages": 47,
        "sha256": "4e034c758aa63003",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "l99vr01str.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "l99vr01str-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6f87664a50ec8b15c7ade0c6a69b21e1c04283a5445822f6354818b9b43d8c92",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "SO-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "l99vr01str"
  ],
  "discovery_pitch": "L99VR01STR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "l99vr01str.kicad_sym",
    "l99vr01str.kicad_mod",
    "l99vr01str.glb",
    "l99vr01str.step",
    "l99vr01str.lbr",
    "docs/hero.png",
    "docs/l99vr01str-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "l99vr01str-hero.glb",
    "l99vr01str-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}