main
Ray Set visibility: public a15c183 9h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "wl9005s5-28",
  "title": "WL9005S5-28",
  "brief": "WPMtek Wei Pan Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. 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)",
    "wl9005s5-28",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "WL9005S5-28",
    "manufacturer": "WPMtek Wei Pan Microelectronics",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757102219739181056",
    "parts": {
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      "model_3d_step": "wl9005s5-28-etched.step",
      "model_3d_step_plain": "wl9005s5-28.step",
      "lbr": "wl9005s5-28.lbr"
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    "distributor_links": {
      "lcsc": "C2688247"
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    "distributor_check": {
      "checked_at": "2026-10-17T14:59:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin; the datasheet specifies an input voltage range of 2.0V to 7.0V and recommends a ≥1μF ceramic input capacitor placed as close to the device as possible."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the input and output capacitor ground returns should connect to this pin using as wide and short a copper trace as practical."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable control input; the datasheet gives a CE-high threshold of at least 1.2V and a CE-low threshold of at most 0.4V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect pin with no internal connection on the SOT23-5 package."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage; the datasheet recommends a ≥1μF ceramic output capacitor (X7R or X5R) placed as close as possible to VOUT and GND."
      }
    ],
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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: Pin numbers and names taken from the Pin Description table (SOT23-5 column, page 3) and cross-checke; Page 2 caption for the S3/S5 drawing reads 'TAB is VIN'. The SOT23-5 package has no tab, and the pin"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0438,
        "at": "2026-10-17T14:57:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757102219739181056",
        "pages": 11,
        "sha256": "2ed7848826dfb0c6",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-17",
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  "metadata": {
    "specs": {
      "Manufacturer": "WPMtek Wei Pan Microelectronics",
      "Package": "SOT-23-5L",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": "and output capacitors must be back to the WL9005 ground pin using as wide and as short of a copper trace as is practical.Connections using long trace lengths, narrow trace widths, and/or",
        "page": 10,
        "doc": "ds.pdf",
        "material": "copper"
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          "conditions": "",
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        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.3,
          "max": 0.5,
          "conditions": "VIN >VOUTNOM , VIN=EN, IOUT =0mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0,
          "max": 0.1,
          "conditions": "EN=0 V , VOUT =0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "x VOUT",
          "min": 0.985,
          "typ": null,
          "max": 1.015,
          "conditions": "VIN = VOUTNOM +1V, IOUT =10mA",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "VIN = VOUTNOM +1V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
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          "typ": 600,
          "max": 750,
          "conditions": "IOUT =500mA, VOUT =3.3V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Load Regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 20,
          "conditions": "VIN = VOUTNOM +1V, 1mA≦ IOUT ≦100mA",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "EN Threshold Voltage (CE High)",
          "symbol": "VCEH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "CE 'High' Voltage",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "EN Threshold Voltage (CE Low)",
          "symbol": "VCEL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "CE 'Low' Voltage",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature Coefficient",
          "symbol": "ΔVOUT/ΔT*VOUT",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "IOUT =30mA , TA=0~70°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSHDN",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "",
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        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "ΔTSHD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
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          "max": 20,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "EN Pin Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "Input Voltage (absolute max)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
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          "conditions": "",
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        {
          "name": "EN to GND Voltage (absolute max)",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
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        {
          "name": "Regulated Output Voltage (absolute max)",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
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        {
          "name": "Human Body Model ESD",
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          "min": -4000,
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          "conditions": "",
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        {
          "name": "Charged Device Model ESD",
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          "name": "Machine Model ESD",
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          "name": "Storage Temperature Range",
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          "name": "Operating Junction Temperature",
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        {
          "name": "Lead Temperature (Soldering)",
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          "kind": "absolute_maximum",
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          "min": null,
          "typ": null,
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          "conditions": "10 s",
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        {
          "name": "Power Dissipation SOT23-5L",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "TA=+25°C, SOT23-5L",
          "source_page": 4,
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        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Input Voltage (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Output Voltage (recommended)",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.05,
          "max": null,
          "conditions": "IOUT =10mA, VOUTNOM +1.0V ≦ VIN ≦7V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Current Limit",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 650,
          "max": null,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Short Current",
          "symbol": "ISHORT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VOUT = GND",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "VON",
          "kind": "electrical",
          "unit": "µVrms",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VOUT=3.3V , IOUT =200mA, BW = 100Hz~10KHz",
          "source_page": 5,
          "source": "datasheet"
        },
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          "name": "Power Supply Rejection Rate (1 kHz)",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "f=1kHz",
          "source_page": 5,
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          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 65,
          "max": null,
          "conditions": "IOUT =100mA, VOUT =3.3V, f=10kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "IOUT =100mA, VOUT =3.3V",
          "source_page": 5,
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        },
        {
          "name": "Thermal Resistance Junction to Air SOT23-5L",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "Junction to air, SOT23-5L",
          "source_page": 4,
          "source": "datasheet"
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      ]
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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