SPX3819M5-L-1-8

{
  "schema_version": 1,
  "type": "component",
  "slug": "spx3819m5-l-1-8",
  "title": "SPX3819M5-L-1-8",
  "brief": "MaxLinear Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "spx3819m5-l-1-8"
  ],
  "component": {
    "mpn": "SPX3819M5-L-1-8",
    "manufacturer": "MaxLinear",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f45b54e1828b4014b0b1bd9f4be1f8b0.pdf",
    "parts": {
      "symbol": "spx3819m5-l-1-8.kicad_sym",
      "footprint": "spx3819m5-l-1-8.kicad_mod",
      "model_3d": "spx3819m5-l-1-8-etched.glb",
      "model_3d_plain": "spx3819m5-l-1-8.glb",
      "model_3d_step": "spx3819m5-l-1-8-etched.step",
      "model_3d_step_plain": "spx3819m5-l-1-8.step",
      "lbr": "spx3819m5-l-1-8.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input. Operating input range +2.5V to +16V (absolute max −20V to +20V). Bypass with a low-ESR input capacitor (typically ≥1µF)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground return. Typical ground pin current 90µA at IL=100µA, rising to ~6.5mA at IL=500mA."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input, CMOS-compatible. Logic high (VIH ≥ 2V) enables the regulator; logic low (VIL ≤ 0.4V) or open shuts it down. May be tied directly to VIN for always-on operation. Input current 0.01µA typ (2µA max at VIL, 3µA typ / 20µA max at VIH)."
      },
      {
        "number": "4",
        "name": "ADJ/BYP",
        "type": "input",
        "description": "Reference bypass pin on fixed-output versions (this 1.8V variant): connect an optional ~10nF capacitor to GND to significantly reduce output noise (down to ~40µVRMS with CBYP=1µF). Same pin serves as the ADJ feedback input on the adjustable variant, tied to a resistor divider from VOUT (VOUT = 1.235V × [1 + R1/R2])."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output. Fixed 1.8V (±1% initial tolerance, temperature coefficient 57 ppm/°C typ). Delivers up to 500mA; current limit typ 800mA. Requires an output capacitor for stability (≥1µF tantalum or ≥2.2µF aluminum electrolytic recommended)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f45b54e1828b4014b0b1bd9f4be1f8b0.pdf",
        "pages": 13,
        "sha256": "f5e32d1d3e36da8f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "spx3819m5-l-1-8.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "spx3819m5-l-1-8-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "27b433ea8e340d827fddd0142e3552f4cbf6b14cf65311c679418fa94ecb148c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MaxLinear",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "spx3819m5-l-1-8"
  ],
  "discovery_pitch": "SPX3819M5-L-1-8 (MaxLinear) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "spx3819m5-l-1-8.kicad_sym",
    "spx3819m5-l-1-8.kicad_mod",
    "spx3819m5-l-1-8.glb",
    "spx3819m5-l-1-8.step",
    "spx3819m5-l-1-8-etched.step",
    "spx3819m5-l-1-8.lbr",
    "docs/hero.png",
    "docs/spx3819m5-l-1-8-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SPX3819M5-L-1-8",
      "kind": "packaging"
    },
    {
      "mpn": "SPX3819M5-L-1-8/TR",
      "kind": "packaging"
    },
    {
      "mpn": "SPX3819S-L-1-8",
      "kind": "unknown"
    },
    {
      "mpn": "SPX3819S-L-1-8/TR",
      "kind": "unknown"
    },
    {
      "mpn": "SPX3819R2-L-1-8",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-25T08:03:16.991Z"
}