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Ray Set visibility: public a915c8d 3d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "md7315",
  "title": "MD7315",
  "brief": "Shanghai Mingda Microelectronics Linear Voltage Regulators (LDO), TO-92-3. 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 supply chip",
    "md7315",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MD7315",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f969f5c5bacf715f957a601ce4ed5f00.pdf",
    "parts": {
      "symbol": "md7315.kicad_sym",
      "footprint": "md7315.kicad_mod",
      "model_3d": "md7315-hero.glb",
      "model_3d_plain": "md7315-etched.glb",
      "model_3d_step": "md7315-etched.step",
      "model_3d_step_plain": "md7315.step",
      "lbr": "md7315.lbr"
    },
    "distributor_links": {
      "lcsc": "C2978558"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T06:16:58Z",
      "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) reference pin; the output capacitor of 2.2 µF or more should be placed close to the VOUT-VSS pins."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input (VIN); absolute maximum 18 V, with an input capacitor of 1.0 µF or more recommended."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 1.5 V output (±2%) for the MD7315; needs a capacitor of 2.2 µF or more to VSS, must not exceed VIN+0.3 V, and has short-circuit current limited to 15 to 50 mA."
      }
    ],
    "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 TO-92 drawing on page 2 labels the pins GND, VDD, OUT from left to right but shows no numbers. P; The datasheet's pin label is VDD. The text and electrical tables call this input VIN. The two are tr; The datasheet says the package marking is MD3-15 for TO-92 and SOT-89. It does not state which packa",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.3008,
        "at": "2026-10-23T06:16:18"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f969f5c5bacf715f957a601ce4ed5f00.pdf",
        "pages": 13,
        "sha256": "f5efc29fea38182c",
        "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": "md7315.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md7315-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f17fe4f8f4ac50a4212c72554cff0b4ec776d8848c8a37d95cc5c8a53de23159",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "TO-92-3",
      "Category": "Power Supply Chip",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f5efc29fea38182c3a5d9e96f07352b13a9e4f3c8705159f945ad750a1f0be83",
      "rows": [
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 1.47,
          "typ": 1.5,
          "max": 1.53,
          "conditions": "VIN=3.5V, IOUT=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "VIN=3.5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input-output voltage drop",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "IOUT=5mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVOUT1/ΔVIN·VOUT",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": 0.2,
          "conditions": "2.5V≤VIN≤15V, IOUT=1mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVOUT2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 45,
          "max": 90,
          "conditions": "VIN=3.5V, 1.0mA≤IOUT≤100mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output voltage temperature coefficient",
          "symbol": "ΔVOUT/ΔTa·VOUT",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -100,
          "typ": 50,
          "max": 100,
          "conditions": "VIN=3.5V, IOUT=1mA, -40℃≤Ta≤85℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ISS1",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1.2,
          "max": 2.5,
          "conditions": "VIN=15V, no load",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output short-circuit current",
          "symbol": "Ilim",
          "kind": "electrical",
          "unit": "mA",
          "min": 15,
          "typ": null,
          "max": 50,
          "conditions": "Vout=0V",
          "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℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation (TO-92)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "TO_92, Ta=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage ambient temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output voltage tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "MD7315, 1.5V",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "md7315"
  ],
  "discovery_pitch": "MD7315 (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": [
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    "README.md",
    "md7315.kicad_sym",
    "md7315.kicad_mod",
    "md7315.glb",
    "md7315.step",
    "md7315.lbr",
    "docs/hero.png",
    "docs/md7315-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md7315-hero.glb",
    "md7315-hero.overlay.json",
    "md7315-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}