main
Ray Set visibility: public 05c163e 3d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "md7350",
  "title": "MD7350",
  "brief": "Shanghai Mingda Microelectronics Linear Voltage Regulators (LDO), SOT-23-3L. 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",
    "md7350",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MD7350",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f969f5c5bacf715f957a601ce4ed5f00.pdf",
    "parts": {
      "symbol": "md7350.kicad_sym",
      "footprint": "md7350.kicad_mod",
      "model_3d": "md7350-hero.glb",
      "model_3d_plain": "md7350-etched.glb",
      "model_3d_step": "md7350-etched.step",
      "model_3d_step_plain": "md7350.step",
      "lbr": "md7350.lbr"
    },
    "distributor_links": {
      "lcsc": "C2978570"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:09:52Z",
      "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, bottom-left of the SOT-23-3 drawing; connect the output capacitor CL (2.2 µF or more) close to VOUT and GND."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 5.0 V output (±2%, 300 mA at VIN=7 V) with short-circuit current limit of 15 to 50 mA; needs a CL of 2.2 µF or more and must not exceed VIN+0.3 V."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Input supply pin (VIN), top of the SOT-23-3 drawing; absolute maximum 18 V, input capacitor CIN of 1.0 µF or more recommended."
      }
    ],
    "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-23-3 drawing labels only VDD (top), GND (bottom-left) and OUT (bottom-right) and prints no p; The datasheet names the pin VDD in the drawing but uses VIN in the text. The pin is named VDD here, ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.3058,
        "at": "2026-10-23T03:09:37"
      },
      "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": "md7350.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "md7350-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "543cddc469157e0de3280b0d6f9c91fb1c90d564739a0edeace84f32aff98a1c",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "SOT-23-3L",
      "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": 4.91,
          "typ": 5,
          "max": 5.1,
          "conditions": "VIN=7V, IOUT=10mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 300,
          "typ": null,
          "max": null,
          "conditions": "VIN=7V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "IOUT=1 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 180,
          "max": null,
          "conditions": "IOUT=100 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVOUT1/ΔVIN·VOUT",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": 0.2,
          "conditions": "6V≤VIN≤15V, IOUT=1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVOUT2",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 60,
          "max": 100,
          "conditions": "VIN=7V, 1.0mA≤IOUT≤300mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage temperature coefficient",
          "symbol": "ΔVOUT/ΔTa·VOUT",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "VIN=7V, IOUT=10mA, -40℃≤Ta≤85℃",
          "source_page": 5,
          "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": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output short-circuit current",
          "symbol": "Ilim",
          "kind": "electrical",
          "unit": "mA",
          "min": 15,
          "typ": null,
          "max": 50,
          "conditions": "Vout=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "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 temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input capacitor",
          "symbol": "CIN",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output capacitor",
          "symbol": "CL",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 2.2,
          "typ": null,
          "max": null,
          "conditions": "tantalum capacitor",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "md7350"
  ],
  "discovery_pitch": "MD7350 (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",
    "md7350.kicad_sym",
    "md7350.kicad_mod",
    "md7350.glb",
    "md7350.step",
    "md7350.lbr",
    "docs/hero.png",
    "docs/md7350-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "md7350-hero.glb",
    "md7350-hero.overlay.json",
    "md7350-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}