LR7533-M

{
  "schema_version": 1,
  "type": "component",
  "slug": "lr7533-m",
  "title": "LR7533-M",
  "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",
  "tags": [
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    "pmic",
    "lr7533-m"
  ],
  "component": {
    "mpn": "LR7533-M",
    "manufacturer": "LR",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3fe757be74da5a2c9cd7033a54399b19.pdf",
    "parts": {
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      "footprint": "lr7533-m.kicad_mod",
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      "lbr": "lr7533-m.lbr"
    },
    "distributor_links": {
      "lcsc": "C486076"
    },
    "pins": [
      {
        "number": "1",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / common return for the regulator. All voltages are referenced to this pin. Also labeled GND in the block diagram."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated supply input. Accepts up to 24V continuously (32V abs max). A bypass capacitor should be connected between VIN and VSS, especially for high-impedance sources such as batteries."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output (±2%, VOUT×0.98 to VOUT×1.02). Delivers up to 100mA. Requires a 1-10uF output capacitor to VSS for stability and transient response. Internally short-circuit protected (Iscp ≈ 20mA, Iocp ≈ 120mA)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3fe757be74da5a2c9cd7033a54399b19.pdf",
        "pages": 13,
        "sha256": "0b58c65ef75e4ef4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "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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        "role": "plain",
        "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",
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      },
      {
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        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.5,
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "023bec072651266311d489514c749f749a9ac906b57738a28d348a0ea24232f9",
        "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": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "lr7533-m"
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  "discovery_pitch": "LR7533-M (LR) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lr7533-m.kicad_sym",
    "lr7533-m.kicad_mod",
    "lr7533-m.glb",
    "lr7533-m.step",
    "lr7533-m-etched.step",
    "lr7533-m.lbr",
    "docs/hero.png",
    "docs/lr7533-m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LR7533-M",
      "kind": "packaging"
    },
    {
      "mpn": "LR7533-M-T",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:06:16.267Z"
}