7533-1

{
  "slug": "7533-1",
  "version": "0.1.0",
  "type": "component",
  "description": "DOWO Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "7533-1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "7533-1.kicad_sym",
    "7533-1.kicad_mod",
    "7533-1.glb",
    "7533-1.step",
    "7533-1.lbr",
    "docs/hero.png",
    "docs/7533-1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "7533-1-hero.glb",
    "7533-1-hero.overlay.json",
    "7533-1-etched.glb"
  ],
  "component": {
    "mpn": "7533-1",
    "manufacturer": "DOWO",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603182589113495552",
    "parts": {
      "symbol": "7533-1.kicad_sym",
      "footprint": "7533-1.kicad_mod",
      "model_3d": "7533-1-hero.glb",
      "model_3d_plain": "7533-1-etched.glb",
      "model_3d_step": "7533-1-etched.step",
      "model_3d_step_plain": "7533-1.step",
      "lbr": "7533-1.lbr"
    },
    "distributor_links": {
      "lcsc": "C6718422"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T09:01:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet requires a wide copper trace for GND and places the input and output capacitors as close as possible to the device and its GND pin."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input accepting 3V to 36V (absolute maximum supply voltage is 40V), decoupled with a 1μF to 10μF ceramic capacitor placed as close as possible to the device."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated fixed output of 1.8V to 5.0V (variant-dependent), requiring a 1μF to 10μF output capacitor with 5mΩ to 100mΩ ESR and X7R or X5R dielectric for stability; output current is limited to about 100mA under short-circuit."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet covers the 75xx-1 series, not the exact MPN 7533-1. The mapping to 3.3V output (code 3; The pin table lists an 'NC (No Connected)' entry without a pin number, and no pin in the SOT-89 pino; Pin numbers are taken from the SOT-89 pinout label on page 1 (1.GND 2.VIN 3.VOUT). The datasheet doe"
        ],
        "pages_sent": 8,
        "cost_usd": 0.024,
        "at": "2026-10-18T09:00:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603182589113495552",
        "pages": 8,
        "sha256": "99387240e1617bc8",
        "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"
    },
    "models_3d": [
      {
        "file": "7533-1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "7533-1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.5,
          1.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "344aa3d6537a1a9c5d47f1c006bd48976125feb95622d3d115cf68cc8a32ccc9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}