main
Ray Set visibility: public 88b0fbc 11d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "wl2836d33-4",
  "title": "WL2836D33-4",
  "brief": "WILLSEMI(Will Semicon) Linear Voltage Regulators (LDO), DFN1x1-4L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "WL2836D33-4",
    "manufacturer": "WILLSEMI(Will Semicon)",
    "package": "DFN1x1-4L",
    "pin_count": 5,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c1883d7c70fac97db4f83f051524c9a5.pdf",
    "parts": {
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      "model_3d_step_plain": "wl2836d33-4.step",
      "lbr": "wl2836d33-4.lbr"
    },
    "distributor_links": {
      "lcsc": "C2931318"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T00:39:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output, which for WL2836D33-4 is 3.3V within the stated 0.9V~3.3V output range."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet states that the exposed pad EP at GND level must also connect to GND."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Active-high enable; the datasheet gives EN logic high at 1V minimum and EN logic low at 0.4V maximum."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin with an operating input voltage range of 1.4V to 5.5V."
      },
      {
        "number": "5",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "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 exposed pad EP is not a numbered pin and is not included in the pins list. The datasheet says it"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0086,
        "at": "2026-10-28T00:38:53"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c1883d7c70fac97db4f83f051524c9a5.pdf",
        "pages": 14,
        "sha256": "40ed0001d5836acc",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "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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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "86e5f8eefe287160705813dbaa7f6606754ab347715fbffa4ee680635c44541f",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "WILLSEMI(Will Semicon)",
      "Package": "DFN1x1-4L",
      "Category": "Power Management ICs",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "40ed0001d5836accf3c756070326f6b00c83728e8d8082b521eb4f49155d0ae1",
      "rows": [
        {
          "name": "Output Voltage Tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VOUT>2V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "oC",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN Range",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Lead Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "oC",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "TA=25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7500,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "ESD MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 118,
          "max": 185,
          "conditions": "VOUT=3.3V, IOUT=300mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "△VLINE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1,
          "max": 5,
          "conditions": "VIN=VOUT+0.5V~5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "△VLoad",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 15,
          "max": 28,
          "conditions": "IOUT=1~300mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 50,
          "max": 90,
          "conditions": "VOUT=2.8V, IOUT=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN logic high voltage",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "VIN=5.5V, IOUT=1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN logic low voltage",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VIN=5.5V, VOUT=0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance RθJA (DFN1x1-4L)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "oC/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "WL2836D33-4 (WILLSEMI(Will Semicon)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}