main
Ray Set visibility: public 76e336e 14d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "md53u30",
  "title": "MD53U30",
  "brief": "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.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "md53u30",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MD53U30",
    "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/8590225643976884224",
    "parts": {
      "symbol": "md53u30.kicad_sym",
      "footprint": "md53u30.kicad_mod",
      "model_3d": "md53u30-hero.glb",
      "model_3d_plain": "md53u30-etched.glb",
      "model_3d_step": "md53u30-etched.step",
      "model_3d_step_plain": "md53u30.step",
      "lbr": "md53u30.lbr"
    },
    "distributor_links": {
      "lcsc": "C2978555"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T10:44:58Z",
      "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 (VSS) pin; place the output capacitor close to the VOUT and GND pins and keep the ground wiring low impedance."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Input supply pin (VIN); operating input voltage up to 10V (absolute maximum 12V), and the datasheet advises a capacitor at the input when source impedance is high."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.0V output (±2%) delivering 500mA; requires a 2.2uF or larger output capacitor with 0.5-5 ohm ESR, and must not exceed VIN+0.3V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT-89-3L drawing on page 1 shows pin labels left to right as GND, VDD, VOUT, but there are no p",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 11,
        "cost_usd": 0.2587,
        "at": "2026-10-20T10:44:44"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225643976884224",
        "pages": 11,
        "sha256": "5a4556463821b84c",
        "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": "md53u30.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": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md53u30-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "3336275b0c1e837f189a886f9f2fa6fea6d1cbb90d2c133549c64559c07c0b0f",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5a4556463821b84c6474e811200e90c24eed792291be2ff00a380fc972e517a8",
      "rows": [
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 2.94,
          "typ": 3,
          "max": 3.06,
          "conditions": "VIN= 4.0V,IOUT=50mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "VIN= 4.0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input-output voltage difference (dropout)",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 14,
          "conditions": "IOUT=10 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input-output voltage difference (dropout)",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 200,
          "max": 280,
          "conditions": "IOUT=200 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input stability",
          "symbol": "△VOUT1",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": 0.2,
          "conditions": "4.0V≤VIN≤10V IOUT=1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load stability",
          "symbol": "△VOUT2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 25,
          "max": 40,
          "conditions": "VIN=4.0V 1.0mA≤IOUT≤200mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output voltage temperature coefficient",
          "symbol": "△VOUT",
          "kind": "temperature_coefficient",
          "unit": "Ppm/℃",
          "min": -100,
          "typ": 50,
          "max": 100,
          "conditions": "VIN=4.0V,IOUT=10mA -40℃≤Ta≤85℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current consumption",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 25,
          "max": 40,
          "conditions": "VIN= VOUT(S)+2V 无负载",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output short-circuit current",
          "symbol": "Ilim",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 50,
          "max": 70,
          "conditions": "Vout=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Allowable power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "Mw",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "SOT_89 package",
          "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": "Ripple rejection",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "VIN=VOUT(S)+1V+1Vp_p f = 1KC Iout=50mA",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "md53u30"
  ],
  "discovery_pitch": "MD53U30 (Shanghai Mingda Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "md53u30.lbr",
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    "viewers/symbol.html",
    "viewers/footprint.html",
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    "md53u30-hero.overlay.json",
    "md53u30-etched.glb"
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  "visibility": {
    "public": true
  }
}