main
Ray Set visibility: public 674b2bb 6h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "md52e25qa3",
  "title": "MD52E25QA3",
  "brief": "Shanghai Mingda Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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": [
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  "component": {
    "mpn": "MD52E25QA3",
    "manufacturer": "Shanghai Mingda Microelectronics",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588917210571661312",
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      "lbr": "md52e25qa3.lbr"
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    "distributor_links": {
      "lcsc": "C920350"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:46:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the regulator; the COUT auto-discharge switch connects VOUT to this pin when the output is disabled."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output (2.5V for MD52E25QA3) delivering up to 500mA; VOUT must not exceed VIN+0.3V, and a 1.0uF or larger output capacitor is required."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply, 2.2V to 7V operating range (absolute maximum -0.3 to 8V), with a 1.0uF or larger input capacitor placed close to the IC."
      }
    ],
    "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 SOT23-3L top-view drawing text is garbled in the extraction (pin numbers '1 2 / 3 2' are not cle; The datasheet does not state a pin description for the SOT23-3L package specifically. Descriptions a; Ordering code MD52E25QA3 (2.5V output) is the SOT23-3L variant listed on page 2. The same pinout app"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1071,
        "at": "2026-10-18T14:44:42"
      },
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        "pages": 14,
        "sha256": "4168b8cf3e52f15f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "sha256": "a164f52d70a49dcb2bb45ade7604acb4debf1808ff521fb74e27183e90758c0a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Mingda Microelectronics",
      "Package": "SOT-23-3L",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4168b8cf3e52f15fc2aa3e4a9d22fffddaa0afccc1c669d4e808a2f50588325a",
      "rows": [
        {
          "name": "Output voltage tolerance (Highly Accurate)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (VOUT<3V)",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 240,
          "conditions": "VEN=VIN, VOUT<3V, IOUT=500mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": 0.1,
          "conditions": "VOUT(S)+0.5V≤VIN=VEN≤7V, IOUT=10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 50,
          "max": 90,
          "conditions": "VIN=VEN=VOUT(S)+1.0V, 1mA≤IOUT≤500mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature Stability",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VIN=VEN=VOUT(S)+1.0V, IOUT=1mA, -40℃≤Ta≤125℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Current (no load)",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.6,
          "max": 0.9,
          "conditions": "VEN=VIN, no load",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISHUT",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "VIN=7.0V, VEN=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "IOUTMAX",
          "kind": "electrical",
          "unit": "mA",
          "min": 450,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "COUT Auto Discharge Resistance",
          "symbol": "RDCHG",
          "kind": "electrical",
          "unit": "Ω",
          "min": 280,
          "typ": 450,
          "max": 640,
          "conditions": "VEN=0, VOUT=VOUT(S)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN 'H' Level Voltage",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN 'L' Level Voltage",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.38,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN 'H' Level Current",
          "symbol": "IENH",
          "kind": "electrical",
          "unit": "μA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=7.0V, VEN=VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN 'L' Level Current",
          "symbol": "IENL",
          "kind": "electrical",
          "unit": "μA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN=7.0V, VEN=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation (SOT23-3)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "Unless otherwise indicated: Ta=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Board (SOT23-3)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "Mounted on JEDEC standard 4-layer (2s2p) PCB test board",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Protection HBM",
          "symbol": "ESD HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6000,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "MD52E25QA3 (Shanghai Mingda Microelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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