LN2220PAR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ln2220par",
  "title": "LN2220PAR",
  "brief": "NATLINEAR DC-DC Converters, SOT-23-6L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "ln2220par"
  ],
  "component": {
    "mpn": "LN2220PAR",
    "manufacturer": "NATLINEAR",
    "package": "SOT-23-6L",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/cffdf19ac2e310121d4e483fb2912699.pdf",
    "parts": {
      "symbol": "ln2220par.kicad_sym",
      "footprint": "ln2220par.kicad_mod",
      "model_3d": "ln2220par-etched.glb",
      "model_3d_plain": "ln2220par.glb",
      "model_3d_step": "ln2220par-etched.step",
      "model_3d_step_plain": "ln2220par.step",
      "lbr": "ln2220par.lbr"
    },
    "distributor_links": {
      "lcsc": "C2833712"
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "power_out",
        "description": "Switching node. Drain of the internal power switch (up to 4A, RDS(on) ~80mΩ). Connects to the boost inductor and Schottky rectifier; absolute max 28V. Route with short, wide traces and isolate from sensitive signals due to high-frequency switching content."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground return. Connect directly to the system ground plane close to the input and output capacitor return terminals for a low-impedance return path."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the internal error amplifier. Regulated to VFB = 0.6V (588-612mV). Set output voltage with a resistor divider: VOUT = VFB × (1 + R1/R2). R1 in the hundreds of kΩ is recommended."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Chip enable, active-high. Drive above VENH (≥1.2V @ VIN=3.6V) to enable the regulator; drive below VENL (≤0.4V) to shut the device down (shutdown current ~0.01µA typ). Do not leave floating."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input, 2V to 24V operating range (abs max Vss+24V). Bypass with ≥22µF close to the pin. UVLO trips near 2V (falling threshold min 1.7V) with ~100mV hysteresis."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to ground per PCB layout preference."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/cffdf19ac2e310121d4e483fb2912699.pdf",
        "pages": 6,
        "sha256": "0a94cbd2c8a08b3f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "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-23-6@sha256:f341c73aac9dcb55",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "ln2220par.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": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ln2220par-etched.step",
        "role": "eda",
        "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": "b2cac6f1cf48a885fb100af9f18bdd0bcaf03893c3b95836132372e9cf83e26e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "NATLINEAR",
      "Package": "SOT-23-6L",
      "Category": "PMIC",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ln2220par"
  ],
  "discovery_pitch": "LN2220PAR (NATLINEAR) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ln2220par.kicad_sym",
    "ln2220par.kicad_mod",
    "ln2220par.glb",
    "ln2220par.step",
    "ln2220par-etched.step",
    "ln2220par.lbr",
    "docs/hero.png",
    "docs/ln2220par-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LN2220PAMR",
      "kind": "unknown"
    },
    {
      "mpn": "LN2220PAML",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-28T17:42:23.652Z"
}