DS8401-33S5

{
  "schema_version": 1,
  "type": "component",
  "slug": "ds8401-33s5",
  "title": "DS8401-33S5",
  "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)",
    "ds8401-33s5",
    "factory-2.0.0",
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  "component": {
    "mpn": "DS8401-33S5",
    "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": {
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      "model_3d_step": "ds8401-33s5-etched.step",
      "model_3d_step_plain": "ds8401-33s5.step",
      "lbr": "ds8401-33s5.lbr"
    },
    "distributor_links": {
      "lcsc": "C48533046"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T20:56:52Z",
      "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; the recommended input range is 2.5V to 36V (absolute maximum -0.3V to 40V), and a 1µF or larger input capacitor should be placed close to the VIN and GND pins."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator; output and input capacitor ground connections should return to this pin through as short and wide a copper trace as is practical."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable control input: the regulator is on when EN is above the 1.1V rising threshold and in shutdown when pulled below the 0.4V falling threshold (shutdown current typically 100nA)."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; this pin is not connected inside the device on the non-SNS (DS8401-AABB) variant."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output of the regulator, which supplies up to 200mA and should have a ceramic or tantalum output capacitor with at least 1mΩ ESR and effective capacitance between 1µF and 22µF, placed close to VOUT and GND."
      }
    ],
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN DS8401-33S5 has no 'N' suffix, so it is the non-SNS fixed-output variant. The pinout is take; The page 1 pin configuration diagram text is garbled and does not match the page 3 pin table (it sho; The DFN2x2-6L exposed pad (SGND, pin 7) is not part of the SOT-23-5 package and was excluded."
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        "cost_usd": 0.0411,
        "at": "2026-10-17T20:54:34"
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        "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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        "centre_offset_mm": 0,
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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"
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    "characteristics": {
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        {
          "name": "Supply Voltage",
          "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 = 3.3V)",
          "symbol": "VDROP_3.3V",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.38,
          "conditions": "ILOAD =100mA, VOUT = 3.3V",
          "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": "Load Regulation",
          "symbol": "ΔLOAD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "10mA≤ ILOAD ≤ 0.1A",
          "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,
          "source": "datasheet"
        },
        {
          "name": "Enable Threshold Voltage (rising)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.1,
          "typ": null,
          "max": null,
          "conditions": "EN Rising",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable Threshold Voltage (falling)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "EN Falling",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ground Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "ILOAD = 0mA, VOUT ≤ 5V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "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": "VIN, EN to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "VOUT to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 14,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "VOUT to VIN",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 sec.",
          "source_page": 5,
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        },
        {
          "name": "Junction Temperature",
          "symbol": "",
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          "unit": "°C",
          "min": null,
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        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
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          "conditions": "",
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        {
          "name": "ESD Susceptibility HBM",
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          "unit": "kV",
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          "name": "Input Voltage",
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          "min": 2.5,
          "typ": null,
          "max": 36,
          "conditions": "",
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        {
          "name": "Junction Temperature Range",
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          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        },
        {
          "name": "Ambient Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Package Thermal Resistance SOT-23-5",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 220,
          "max": null,
          "conditions": "Note 2",
          "source_page": 5,
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        }
      ]
    }
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    "email": "[email protected]"
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