main
Ray Set visibility: public e8419fc 20d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "md7533",
  "title": "MD7533",
  "brief": "Shanghai Mingda Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "md7533",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MD7533",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "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/8586183537234227200",
    "parts": {
      "symbol": "md7533.kicad_sym",
      "footprint": "md7533.kicad_mod",
      "model_3d": "md7533-hero.glb",
      "model_3d_plain": "md7533-etched.glb",
      "model_3d_step": "md7533-etched.step",
      "model_3d_step_plain": "md7533.step",
      "lbr": "md7533.lbr"
    },
    "distributor_links": {
      "lcsc": "C126976"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T02:20:56Z",
      "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; wiring impedance should be kept low and the output capacitor CL should be placed as close as possible to the VOUT and GND terminals."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input terminal with an absolute maximum input voltage of 18 V; VOUT must not exceed VIN+0.3 V, and an input capacitor of 1.0 µF or more is recommended."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3 V output (MD7533); it must not exceed VIN+0.3 V, and an output capacitor of 2.2 µF or more (tantalum recommended, ESR about 0.5-5 Ω) 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: Page 1 prints the pin table twice (once for TO-92 and once for a second package) with no package lab; Package outline drawings on pages 9-11 contain no extractable text, so pin positions and numbering f; The datasheet gives no separate pin-level electrical limits; the descriptions use the absolute maxim"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0474,
        "at": "2026-10-19T02:18:48"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586183537234227200",
        "pages": 12,
        "sha256": "0c39c56cb5c0ce7d",
        "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": "md7533.step",
        "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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md7533-etched.step",
        "role": "eda",
        "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": "3aecdf98663e2993cecc946a34ce4d373de3a4322ce626205966fc29c4e524dd",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "SOT-89",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0c39c56cb5c0ce7d9b8a13db2c8e583c6877119ac73a54569dc62ccb62462381",
      "rows": [
        {
          "name": "Output voltage (MD7533, 3.3V ±3%)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 3.201,
          "typ": 3.3,
          "max": 3.399,
          "conditions": "VIN= 5.3V,IOUT=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input stability",
          "symbol": "ΔVOUT/(ΔVIN·VOUT)",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": 0.2,
          "conditions": "4.3V≤VIN≤18V, IOUT=1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVOUT2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 60,
          "max": 100,
          "conditions": "VIN=5.3V, 1.0mA≤IOUT≤120mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1.2,
          "max": 5,
          "conditions": "VIN=18V, no load",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output voltage temperature coefficient",
          "symbol": "ΔVOUT/(ΔTa·VOUT)",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VIN=5.3V, IOUT=10mA, -40℃≤Ta≤85℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "Ta=25℃ (table header)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage Vmax",
          "symbol": "Vmax",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation (SOT-89)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Ta=25℃ (table header)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature range",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage ambient temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input capacitor (CIN)",
          "symbol": "CIN",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "Recommended input capacitor, 1.0 µF or more",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output capacitor (CL), tantalum",
          "symbol": "CL",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 2.2,
          "typ": null,
          "max": null,
          "conditions": "Tantalum capacitor, 2.2 µF or more",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output capacitor (CL), aluminum electrolytic",
          "symbol": "CL",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "Aluminum electrolytic capacitor, 10.0 µF or more",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output capacitor ESR range",
          "symbol": "ESR",
          "kind": "recommended_operating",
          "unit": "Ω",
          "min": 0.5,
          "typ": null,
          "max": 5,
          "conditions": "Output capacitor ESR, approximately 0.5~5Ω",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "VIN= 5.3V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input-output voltage difference (dropout)",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "IOUT=1mA, IOUT=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output short-circuit current",
          "symbol": "Ishort",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "Vout=0V",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "md7533"
  ],
  "discovery_pitch": "MD7533 (Shanghai Mingda Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "md7533.kicad_sym",
    "md7533.kicad_mod",
    "md7533.glb",
    "md7533.step",
    "md7533.lbr",
    "docs/hero.png",
    "docs/md7533-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md7533-hero.glb",
    "md7533-hero.overlay.json",
    "md7533-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}