LR8321A-M50

{
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  "type": "component",
  "slug": "lr8321a-m50",
  "title": "LR8321A-M50",
  "brief": "LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
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  "component": {
    "mpn": "LR8321A-M50",
    "manufacturer": "LR",
    "package": "SOT-89-3L",
    "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/2208111800_LR-LR8321A-M50_C5129922.pdf",
    "parts": {
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      "lbr": "lr8321a-m50.lbr"
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    "distributor_links": {
      "lcsc": "C5129922"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. All voltage measurements in the datasheet are referenced to this pin."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin. Operating input range up to 24V (32V absolute max). Bypass to GND with a 1uF ceramic capacitor placed close to the pin."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage pin. Fixed 5.0V nominal (±2% accuracy) for the -M50 suffix, delivering up to 100mA. Bypass to GND with a 1uF ceramic capacitor."
      }
    ],
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        "pages": 12,
        "sha256": "75e1ff006d959d36",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
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    "pin1": {
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      "at": [
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        -1.5
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-89-3@sha256:0b8db9f4a8f2547a",
      "mark": "drawn"
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-07",
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        "sha256": "275ceb9b27bcd442872431e0f4914425f7b7565b7ab70a349eaf085422ce9478",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LR",
      "Package": "SOT-89-3L",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "LR8321A-M50 (LR) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
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  "variants": [
    {
      "mpn": "LR8321A-M50",
      "kind": "packaging"
    },
    {
      "mpn": "LR8321A-M50T50",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:08:41.888Z"
}