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Ray Set visibility: public fa24e77 15d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ds8402-33a3",
  "title": "DS8402-33A3",
  "brief": "DSTECH Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. 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)",
    "ds8402-33a3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "DS8402-33A3",
    "manufacturer": "DSTECH",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2c05e3fc7be42ee1e07fbfddadbea9b9.pdf",
    "parts": {
      "symbol": "ds8402-33a3.kicad_sym",
      "footprint": "ds8402-33a3.kicad_mod",
      "model_3d": "ds8402-33a3-hero.glb",
      "model_3d_plain": "ds8402-33a3-etched.glb",
      "model_3d_step": "ds8402-33a3-etched.step",
      "model_3d_step_plain": "ds8402-33a3.step",
      "lbr": "ds8402-33a3.lbr"
    },
    "distributor_links": {
      "lcsc": "C48533051"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T06:11:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input of supply voltage, operating range 2.5V to 36V (absolute maximum 40V), with a 1µF or larger capacitor placed close to VIN and GND."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; return for the input and output capacitors, which should connect to it with short, wide copper traces."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output (3.3V fixed for DS8402-33A3), up to 200mA with current limit typically 350mA, needing 1µF to 22µF output capacitance close to the pin."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table has six package headings but only five number columns. I assumed SSOT-23 and SOT-23-3 "
        ],
        "pages_sent": 13,
        "cost_usd": 0.0727,
        "at": "2026-10-23T06:10:17"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2c05e3fc7be42ee1e07fbfddadbea9b9.pdf",
        "pages": 13,
        "sha256": "920d1bd86b5963da",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ds8402-33a3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds8402-33a3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "234728becd621f1f420967699c1e0de78d7f7b2874758f4cb0c95b42250d5f66",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "DSTECH",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "must be back to the DS8402 ground pin using as wide and as short of a copper trace as is practical.",
        "page": 9,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "920d1bd86b5963da15f295f163f14163ffa5ed166818a6897c5839669988aa25"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "920d1bd86b5963da15f295f163f14163ffa5ed166818a6897c5839669988aa25",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 36,
          "conditions": "VIN=15V, VEN=5V, TA=25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "DC Output Voltage Accuracy",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "ILOAD=0.1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 201,
          "typ": 350,
          "max": null,
          "conditions": "VOUT=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP_3.3V",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.38,
          "max": null,
          "conditions": "ILOAD=100mA, VOUT=3.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ground Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "ILOAD=0mA, VOUT≤5V",
          "source_page": 5,
          "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": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔLOAD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "10mA≤ILOAD≤0.1A",
          "source_page": 5,
          "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": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "ILOAD=10mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "ΔTSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "ILOAD=10mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range (recommended)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature Range (recommended)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VIN to GND",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VOUT to GND",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 14,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VOUT to VIN",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 sec.",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "HBM",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD MM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "MM",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "SOT-89-3, TA=25°C on DSTECH EVB board",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "ds8402-33a3"
  ],
  "discovery_pitch": "DS8402-33A3 (DSTECH) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "ds8402-33a3.step",
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  "visibility": {
    "public": true
  }
}