main
Ray Set visibility: public 8f4dbb0 3d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ncp1117ist50t3g",
  "title": "NCP1117IST50T3G",
  "brief": "onsemi Linear Voltage Regulators (LDO), SOT-223. 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 supply chip",
    "ncp1117ist50t3g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NCP1117IST50T3G",
    "manufacturer": "onsemi",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncp1117ist50t3-d.pdf",
    "parts": {
      "symbol": "ncp1117ist50t3g.kicad_sym",
      "footprint": "ncp1117ist50t3g.kicad_mod",
      "model_3d": "ncp1117ist50t3g-hero.glb",
      "model_3d_plain": "ncp1117ist50t3g-etched.glb",
      "model_3d_step": "ncp1117ist50t3g-etched.step",
      "model_3d_step_plain": "ncp1117ist50t3g.step",
      "lbr": "ncp1117ist50t3g.lbr"
    },
    "distributor_links": {
      "lcsc": "C2902120",
      "digikey": "488-NCP1117IST50T3GTR-ND",
      "mouser": "863-NCP1117IST50T3G"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:39:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "488-NCP1117IST50T3GTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-NCP1117IST50T3G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin (listed as Adjust/Ground; for the fixed 5.0 V version it is ground, with ground current of 3.0 mA to 5.0 mA)."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated 5.0 V output, over 1.0 A capable, needing an output capacitor of at least 4.7 µF with ESR of 33 mΩ (typ) to 2.2 Ω for stability; the heatsink tab is connected to this pin."
      },
      {
        "number": "3",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated input supply, operates up to 20 V maximum input voltage."
      }
    ],
    "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 datasheet pin list shows only pins 1-3 for SOT-223; the heatsink tab is stated to be connected t; Pin 1 is printed as 'Adjust/Ground'. For the fixed 5.0 V device (NCP1117IST50T3G) it functions as gr",
          "1/3 pins cited to the wrong page (name found elsewhere): ['1:GND@p1']"
        ],
        "pages_sent": 19,
        "cost_usd": 0.1699,
        "at": "2026-10-23T12:38:54"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncp1117ist50t3-d.pdf",
        "pages": 19,
        "sha256": "8bd6d0050aa83242",
        "source_tier": "mfr"
      },
      "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": "ncp1117ist50t3g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ncp1117ist50t3g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1bada3750f05f99e17f45dc7d6bc621dce171ecee1da367a0de14d5cb9961b1c",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-223",
      "Category": "Power Supply Chip",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8bd6d0050aa83242d74d1e2275d4d1dc19d08e35276bb6fa610c8be401cbfcc8",
      "rows": [
        {
          "name": "Output Voltage, 5.0 V",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 4.95,
          "typ": 5,
          "max": 5.05,
          "conditions": "Vin = 7.0 V, Iout = 10 mA, TA = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage, 5.0 V over line/load",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": null,
          "max": 5.1,
          "conditions": "Vin = 6.5 V to 12 V, Iout = 0 mA to 800 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation, 5.0 V",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 6,
          "max": 7.5,
          "conditions": "Vin = 6.5 V to 15 V, Iout = 0 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation, 5.0 V",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 6.7,
          "max": 15,
          "conditions": "Iout = 0 mA to 800 mA, Vin = 6.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.95,
          "max": 1.1,
          "conditions": "Measured at Vout - 100 mV, Iout = 100 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.01,
          "max": 1.15,
          "conditions": "Measured at Vout - 100 mV, Iout = 500 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.07,
          "max": 1.2,
          "conditions": "Measured at Vout - 100 mV, Iout = 800 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current Limit",
          "symbol": "Iout",
          "kind": "electrical",
          "unit": "mA",
          "min": 1000,
          "typ": 1500,
          "max": 2200,
          "conditions": "Vin-Vout = 5.0 V, TA = 25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current, 5.0 V",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6,
          "max": 10,
          "conditions": "Vin = 15 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/W",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "TA = 25°C, 30 ms Pulse",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection, 5.0 V",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 57,
          "typ": 64,
          "max": null,
          "conditions": "Vin-Vout = 6.4 V, Iout = 500 mA, 10 Vpp 120 Hz Sinewave",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature Stability",
          "symbol": "ST",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Long Term Stability",
          "symbol": "St",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "TA = 25°C, 1000 Hrs End Point Measurement",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RMS Output Noise",
          "symbol": "N",
          "kind": "electrical",
          "unit": "%Vout",
          "min": null,
          "typ": 0.003,
          "max": null,
          "conditions": "f = 10 Hz to 10 kHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Die Junction Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature Range (NCP1117I)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "NCP1117I",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "Case 318H (SOT-223), Minimum Size Pad",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "Case 318H (SOT-223)",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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    "breadcrumbs",
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "NCP1117IST50T3G (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
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}