DS8401-50S5

{
  "schema_version": 1,
  "type": "component",
  "slug": "ds8401-50s5",
  "title": "DS8401-50S5",
  "brief": "DSTECH Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. 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)",
    "ds8401-50s5",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "DS8401-50S5",
    "manufacturer": "DSTECH",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/75d97f5b23bb207889818e149a252cb1.pdf",
    "parts": {
      "symbol": "ds8401-50s5.kicad_sym",
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      "model_3d_step_plain": "ds8401-50s5.step",
      "lbr": "ds8401-50s5.lbr"
    },
    "distributor_links": {
      "lcsc": "C48533047"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T20:44:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input of supply voltage, specified from 2.5V to 36V (absolute maximum 40V), with a 1µF or larger input capacitor placed close to the VIN and GND pins."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the input and output capacitor ground connections should use as wide and as short a copper trace as is practical back to this pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable control input; pulling it low shuts the regulator down (shutdown current 100nA typical), with the enable threshold at 1.1V rising and 0.4V falling."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output of the regulator, 5.0V for the DS8401-50S5 variant, rated for 200mA peak output current and stable with a ceramic or tantalum output capacitor of 1µF to 22µF with at least 1mΩ ESR."
      }
    ],
    "provenance": {
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        "primary_model": "claude-haiku-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN DS8401-50S5 maps to the DS8401-AABB ordering code with AA=50 (VOUT = 5.0V) and BB=S5 (SOT-23; The datasheet's Exposed pad (7) SGND is listed only for the DFN2x2-6L package and does not exist on ; The datasheet is marked Preliminary. Pin 4 is NC on SOT-23-5 for this variant, which is consistent w"
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        "cost_usd": 0.0416,
        "at": "2026-10-17T20:42:24"
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        "url": "https://datasheet.lcsc.com/datasheet/pdf/75d97f5b23bb207889818e149a252cb1.pdf",
        "pages": 12,
        "sha256": "e8b24822ab19bcca",
        "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
      }
    },
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-17",
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        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "DSTECH",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": "must be back to the DS8401 ground pin using as wide and as short of a copper trace as is practical.",
        "page": 10,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "e8b24822ab19bccad5a95e8c689156054d0aa9e6f02f929222de16c461a67428"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e8b24822ab19bccad5a95e8c689156054d0aa9e6f02f929222de16c461a67428",
      "rows": [
        {
          "name": "Supply Voltage (input)",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "DC Output Voltage Accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "ILOAD =0.1mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (VOUT ≥ 5V)",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.35,
          "conditions": "ILOAD =100mA, VOUT ≥ 5V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Ground Current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.1,
          "max": 0.5,
          "conditions": "VEN = 0V, VOUT = 0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": 100,
          "conditions": "VEN = 24V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔLINE",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "ILOAD =1mA, 10V ≤ VIN ≤ 20V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 201,
          "typ": 350,
          "max": null,
          "conditions": "VOUT =0",
          "source_page": 6,
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        },
        {
          "name": "Absolute Max: VIN, EN to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Absolute Max: VOUT to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 14,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Absolute Max: VOUT to VIN",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 10 sec)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 sec",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature (absolute max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "ESD Susceptibility HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "HBM",
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        },
        {
          "name": "ESD Susceptibility MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "MM",
          "source_page": 5,
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        },
        {
          "name": "Input Voltage VIN (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range (recommended)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        },
        {
          "name": "Ambient Temperature Range (recommended)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Ground Current (VOUT ≤ 5V)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "ILOAD = 0mA, VOUT ≤ 5V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔLOAD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "10mA≤ ILOAD ≤ 0.1A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable Threshold Voltage, EN Rising",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.1,
          "max": null,
          "conditions": "EN Rising",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable Threshold Voltage, EN Falling",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "EN Falling",
          "source_page": 6,
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        },
        {
          "name": "Power Supply Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "VOUT =3.3V, ILOAD =30mA, VIN = 12V, f = 1KHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "ILOAD =10mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "ΔTSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance, junction-to-ambient (SOT-23-5)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 220,
          "max": null,
          "conditions": "TA=25°C, DSTECH EVB board",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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