DS8403-50S5

{
  "slug": "ds8403-50s5",
  "version": "0.1.0",
  "type": "component",
  "description": "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.",
  "tags": [
    "component",
    "power management (pmic)",
    "ds8403-50s5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds8403-50s5.kicad_sym",
    "ds8403-50s5.kicad_mod",
    "ds8403-50s5.glb",
    "ds8403-50s5.step",
    "ds8403-50s5.lbr",
    "docs/hero.png",
    "docs/ds8403-50s5-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ds8403-50s5-hero.glb",
    "ds8403-50s5-hero.overlay.json",
    "ds8403-50s5-etched.glb"
  ],
  "component": {
    "mpn": "DS8403-50S5",
    "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/23c69f40be8fb9a0cd2f702b376e328b.pdf",
    "parts": {
      "symbol": "ds8403-50s5.kicad_sym",
      "footprint": "ds8403-50s5.kicad_mod",
      "model_3d": "ds8403-50s5-hero.glb",
      "model_3d_plain": "ds8403-50s5-etched.glb",
      "model_3d_step": "ds8403-50s5-etched.step",
      "model_3d_step_plain": "ds8403-50s5.step",
      "lbr": "ds8403-50s5.lbr"
    },
    "distributor_links": {
      "lcsc": "C48533059"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:18:08Z",
      "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, recommended range 2.5V to 36V with an absolute maximum of 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 pin, to which the input and output capacitor grounds should return through as wide and as short a copper trace as is practical."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable control input with a rising threshold of 1.1V minimum and a falling threshold of 0.4V maximum; pulling it low shuts the regulator down, and the absolute maximum on this pin is 40V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on the fixed-output DS8403-AABB SOT-23-5 package (the SNS sense function is only on the DS8403N variant)."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output of the regulator, fixed at 5.0V for the -50 option, with an absolute maximum of 14V to GND and a ceramic output capacitor between 1µF and 22µF with at least 1mΩ ESR placed close to the VOUT and GND pins."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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 page 3 table row reads '4 4 , 5 NC', which is ambiguous; I read SOT-23-5 pin 4 as NC, consistent; The datasheet defines an exposed substrate pad (SGND, pin 7) only for the DFN2x2-6L package. No SOT-; The ordering code DS8403-50S5 decodes to the fixed 5.0V, SOT-23-5 variant without the SNS pin (the D"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0462,
        "at": "2026-10-18T23:17:30"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/23c69f40be8fb9a0cd2f702b376e328b.pdf",
        "pages": 12,
        "sha256": "f2a7ea1ae70f9ad0",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "ds8403-50s5.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds8403-50s5-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c0e7fa44786b1c0e422898158741cd5e96d6fddc49e7d8b2c7c1cd7d99257334",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}