LR8341A-M33

{
  "schema_version": 1,
  "type": "component",
  "slug": "lr8341a-m33",
  "title": "LR8341A-M33",
  "brief": "LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "LR8341A-M33",
    "manufacturer": "LR",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2109132030_LR-LR8341A-M33_C2895855.pdf",
    "parts": {
      "symbol": "lr8341a-m33.kicad_sym",
      "footprint": "lr8341a-m33.kicad_mod",
      "model_3d": "lr8341a-m33-etched.glb",
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      "model_3d_step": "lr8341a-m33-etched.step",
      "model_3d_step_plain": "lr8341a-m33.step",
      "lbr": "lr8341a-m33.lbr"
    },
    "distributor_links": {
      "lcsc": "C2895855"
    },
    "pins": [
      {
        "number": "1",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / negative supply reference. All voltages in the datasheet are referenced to this pin. Connect directly to the system ground plane; the SOT-89-3 tab is also tied to this pin for thermal dissipation."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated supply input, up to 40V operating (55V absolute max). Bypass with capacitor C1 to VSS close to the pin. Must be ≥ VOUT + dropout (typ. 750mV at 100mA)."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output (±2% tolerance) capable of sourcing up to 100mA continuous (160mA absolute max). Bypass with output capacitor C2 to VSS. Internally short-circuit protected (~15mA short-circuit current when VOUT is shorted to GND)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2109132030_LR-LR8341A-M33_C2895855.pdf",
        "pages": 13,
        "sha256": "0ef57f5e903211ad",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.95,
        -1.5
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-89-3@sha256:0b8db9f4a8f2547a",
      "mark": "drawn"
    },
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lr8341a-m33-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "91f623ed0ab9272076b9bb92250aa3bd7ff26336da87a26d581b9a77ab5fc1ea",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LR",
      "Package": "SOT-89-3",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
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    "viewers",
    "readme",
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  "discovery_triggers": [
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  "discovery_pitch": "LR8341A-M33 (LR) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
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    "lr8341a-m33.step",
    "lr8341a-m33-etched.step",
    "lr8341a-m33.lbr",
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    "docs/lr8341a-m33-datasheet.pdf",
    "viewers/symbol.html",
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  "visibility": {
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  "variants": [
    {
      "mpn": "LR8341A-M33",
      "kind": "packaging"
    },
    {
      "mpn": "LR8341A-M33T33",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:09:27.732Z"
}