main
Ray Set visibility: public 49d1c99 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ms1117s-5v",
  "title": "MS1117S-5V",
  "brief": "MSKSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "ms1117s-5v",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "MS1117S-5V",
    "manufacturer": "MSKSEMI",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/be543fed09b4a009be34a385fc0ed76c.pdf",
    "parts": {
      "symbol": "ms1117s-5v.kicad_sym",
      "footprint": "ms1117s-5v.kicad_mod",
      "model_3d": "ms1117s-5v-hero.glb",
      "model_3d_plain": "ms1117s-5v-etched.glb",
      "model_3d_step": "ms1117s-5v-etched.step",
      "model_3d_step_plain": "ms1117s-5v.step",
      "lbr": "ms1117s-5v.lbr"
    },
    "distributor_links": {
      "lcsc": "C47020988"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:55:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSS/ADJ",
        "type": "power_in",
        "description": "VSS/ADJ pin, which the datasheet labels only by name; on the adjustable version it is the ADJ pin that sets the output through R1 and R2, and a bypass capacitor to ground can be added to it to improve ripple rejection."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output voltage pin; for the MS1117-5.0V it regulates to 5.0V (4.9V to 5.1V) for 0 to 1A load current at Vin=6.3V, with a 10uF tantalum recommended for stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage pin; the electrical characteristics give a typical input of 15V and an absolute maximum input voltage of 18V."
      }
    ],
    "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 SOT-89 pin table (page 3) lists pins 1 to 3 only and the package drawing text is garbled, so pin; The datasheet gives no explicit function for pin 1 beyond the label VSS/ADJ and does not say it is g; The input voltage rating is inconsistent in the text: the features list says 'Range of operation inp"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0343,
        "at": "2026-10-18T01:53:05"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/be543fed09b4a009be34a385fc0ed76c.pdf",
        "pages": 14,
        "sha256": "1368aa3090fca90b",
        "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"
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    "models_3d": [
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        "file": "ms1117s-5v.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ms1117s-5v-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "footprint_binding": "identity",
        "sha256": "72e345c94d3c123beda8e8f645300466d21f84ecb3761e502673879322d5d0f1",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "SOT-89",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1368aa3090fca90b7d795abc1ffd01f9c770dcf8dd64366667f79a744ae98158",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "Vin",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 15,
          "max": 18,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (MS1117-5.0V)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": 5,
          "max": 5.1,
          "conditions": "0≤Iout≤1A, Vin=6.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line regulation (MS1117-5.0V)",
          "symbol": "△Vout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 56,
          "conditions": "Iout=10mA, 6.3V≤Vin≤12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation (MS1117-5.0V)",
          "symbol": "△Vout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 40,
          "conditions": "Vin =6.3V, 10mA≤Iout≤1A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.15,
          "max": 1.3,
          "conditions": "Iout =100mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": 1.5,
          "conditions": "Iout=1A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current (MS1117-5.0V)",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "MS1117-5.0V, Vin=12V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (absolute maximum)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "Max Input Voltage",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Ts",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum operating junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 s",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Environment (ambient) temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference temperature coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Bandgap reference, stated as under 100 ppm/°C",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "MS1117S-5V (MSKSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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