MD7533H

{
  "slug": "md7533h",
  "version": "0.1.0",
  "type": "component",
  "description": "Shanghai Mingda Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "md7533h",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "md7533h.kicad_sym",
    "md7533h.kicad_mod",
    "md7533h.glb",
    "md7533h.step",
    "md7533h.lbr",
    "docs/hero.png",
    "docs/md7533h-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md7533h-hero.glb",
    "md7533h-hero.overlay.json",
    "md7533h-etched.glb"
  ],
  "component": {
    "mpn": "MD7533H",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918536052228096",
    "parts": {
      "symbol": "md7533h.kicad_sym",
      "footprint": "md7533h.kicad_mod",
      "model_3d": "md7533h-hero.glb",
      "model_3d_plain": "md7533h-etched.glb",
      "model_3d_step": "md7533h-etched.step",
      "model_3d_step_plain": "md7533h.step",
      "lbr": "md7533h.lbr"
    },
    "distributor_links": {
      "lcsc": "C920456"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:34:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal (接地端) of the MD75XXH regulator; the datasheet gives no separate electrical limit for this pin."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Power input (电源输入端); the absolute maximum input voltage VIN is 32 V, the maximum operating input voltage Vmax is 30 V, and the datasheet states the output is held in regulation up to 30 V input."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output (输出端); the absolute maximum output voltage is Vss-0.3 V to VIN+0.3 V, and VOUT must not be driven more than 0.3 V above VIN, and a 2.2 µF or larger output capacitor (tantalum recommended) is required between VOUT and GND."
      }
    ],
    "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 3-pin pinout table on page 2 is not labelled with a package name. It sits next to the SOT-89 dra; Ordering table on page 13 lists the SOT89-3 package with a pin count of 4 ('引脚数 4'), which conflicts; Page 1 product table lists MD7533H with SOT-89-3L marking '7533H', which ties the MPN to this packag"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0491,
        "at": "2026-10-18T03:32:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918536052228096",
        "pages": 15,
        "sha256": "33161ff733e26ee1",
        "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": "md7533h.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": "md7533h-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": "99286bd5a62b1f0312a05fdfe5548ffd7cb879aee8d01e6a04c536d30cecf878",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}