main
Ray Set visibility: public 1c098b5 13d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ncv1117st25t3g",
  "title": "NCV1117ST25T3G",
  "brief": "onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-3. 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)",
    "ncv1117st25t3g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NCV1117ST25T3G",
    "manufacturer": "onsemi",
    "package": "SOT-223-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588930475172253696",
    "parts": {
      "symbol": "ncv1117st25t3g.kicad_sym",
      "footprint": "ncv1117st25t3g.kicad_mod",
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      "model_3d_step": "ncv1117st25t3g-etched.step",
      "model_3d_step_plain": "ncv1117st25t3g.step",
      "lbr": "ncv1117st25t3g.lbr"
    },
    "distributor_links": {
      "lcsc": "C895021",
      "digikey": "NCV1117ST25T3GOSTR-ND",
      "mouser": "863-NCV1117ST25T3G"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T23:19:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "NCV1117ST25T3GOSTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "863-NCV1117ST25T3G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Adjust/Ground",
        "type": "power_in",
        "description": "Adjust/ground pin: it is ground for the fixed-output NCV1117ST25T3G (2.5 V), and on adjustable versions it sets the output through the 1.25 V reference, with adjust pin current typically 52 µA and at most 120 µA."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "power_out",
        "description": "Regulated output pin, also electrically connected to the heatsink tab; output current must not exceed 1.0 A when Vin is greater than 12 V."
      },
      {
        "number": "3",
        "name": "Input",
        "type": "power_in",
        "description": "Unregulated input pin, rated for up to 20 V input (maximum input voltage Vin = 20 V)."
      }
    ],
    "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 datasheet labels pin 1 as 'Adjust/Ground' for all variants. Its KiCad class is set to power_in b; The heatsink tab is internally connected to pin 2 and has no separate pin number, so the SOT-223-3 p"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0912,
        "at": "2026-10-20T23:17:19"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588930475172253696",
        "pages": 19,
        "sha256": "5772faecb9389609",
        "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": "ncv1117st25t3g.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": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ncv1117st25t3g-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": "64110411b9de21c700ece94e438f08e5873b883d23055af70709c02fad936a21",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-223-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5772faecb93896093e71a33d50b43d6daaf27a4985f6f23efdfa15b68ac55767",
      "rows": [
        {
          "name": "Output Voltage, Fixed 2.5 V (Vin = 4.5 V, Iout = 10 mA, TA = 25 °C)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 2.475,
          "typ": 2.5,
          "max": 2.525,
          "conditions": "Vin = 4.5 V, Iout = 10 mA, TA = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage, Fixed 2.5 V over line and load (Vin = 3.9 V to 10 V, Iout = 0 mA to 800 mA)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 2.45,
          "typ": null,
          "max": 2.55,
          "conditions": "Vin = 3.9 V to 10 V, Iout = 0 mA to 800 mA (Note 4)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation, 2.5 V",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 0.5,
          "max": 2.5,
          "conditions": "Vin = 3.9 V to 10 V, Iout = 0 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation, 2.5 V",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 3.3,
          "max": 7.5,
          "conditions": "Iout = 0 mA to 800 mA, Vin = 3.9 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (Vout - 100 mV), Iout = 100 mA",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.95,
          "max": 1.1,
          "conditions": "Iout = 100 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (Vout - 100 mV), Iout = 500 mA",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.01,
          "max": 1.15,
          "conditions": "Iout = 500 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (Vout - 100 mV), Iout = 800 mA",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.07,
          "max": 1.2,
          "conditions": "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, Note 6",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current, 2.5 V",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5.2,
          "max": 10,
          "conditions": "Vin = 10 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection, 2.5 V",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 62,
          "typ": 68,
          "max": null,
          "conditions": "Vin-Vout = 6.4 V, Iout = 500 mA, 10 Vpp 120 Hz Sinewave",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Regulation",
          "symbol": "",
          "kind": "thermal",
          "unit": "%/W",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "TA = 25°C, 30 ms Pulse",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum 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 (NCV1117)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "NCV1117",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient, Minimum Size Pad (SOT-223)",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "Minimum size pad, Case 318H (SOT-223)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Case (SOT-223)",
          "symbol": "RJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "Junction-to-case, Case 318H (SOT-223)",
          "source_page": 2,
          "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"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "NCV1117ST25T3G (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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