NCV8518CPDR2G

{
  "schema_version": 1,
  "type": "component",
  "slug": "ncv8518cpdr2g",
  "title": "NCV8518CPDR2G",
  "brief": "onsemi Linear Voltage Regulators (LDO), SOIC-8-EP. 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",
    "ncv8518cpdr2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NCV8518CPDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncv8518cp-d.pdf",
    "parts": {
      "symbol": "ncv8518cpdr2g.kicad_sym",
      "footprint": "ncv8518cpdr2g.kicad_mod",
      "model_3d": "ncv8518cpdr2g-hero.glb",
      "model_3d_plain": "ncv8518cpdr2g-etched.glb",
      "model_3d_step": "ncv8518cpdr2g-etched.step",
      "model_3d_step_plain": "ncv8518cpdr2g.step",
      "lbr": "ncv8518cpdr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C604067",
      "digikey": "488-NCV8518CPDR2GTR-ND",
      "mouser": "863-NCV8518CPDR2G"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:08:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "488-NCV8518CPDR2GTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-NCV8518CPDR2G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Wake Up",
        "type": "output",
        "description": "Continuously generated signal that interrupts the microprocessor from sleep mode, 50% nominal duty cycle, output high 4.86 V typ, pulled low during RESET."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Power supply ground."
      },
      {
        "number": "3",
        "name": "Delay",
        "type": "passive",
        "description": "Delay timing pin: buffered reference voltage (0.48 V typ) used to create timing current for RESET and watchdog threshold frequency from RDelay to ground."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 5.0 V output (±2%) with up to 250 mA output capability; requires at least 1.0 µF output capacitor."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive power supply, 6.0 V to 28 V recommended (45 V peak transient); connect capacitor to ground."
      },
      {
        "number": "6",
        "name": "ENABLE",
        "type": "input",
        "description": "Enable input: low level (≤0.8 V) disables the chip, high level (≥2.0 V) enables it; connect to VIN if this function is not needed."
      },
      {
        "number": "7",
        "name": "WDI",
        "type": "input",
        "description": "CMOS compatible watchdog input that monitors the falling edge of the incoming signal; absolute maximum is 7.0 V."
      },
      {
        "number": "8",
        "name": "RESET",
        "type": "output",
        "description": "CMOS compatible reset output that goes low when VOUT drops more than 7.0% from nominal or when no correct watchdog signal is present."
      },
      {
        "number": "9",
        "name": "EPAD",
        "type": "passive",
        "description": "Exposed pad; connect to ground potential or leave unconnected."
      }
    ],
    "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 EPAD is listed in the pin function table without a pin number, so '9' is a placeholder, not a nu; The datasheet does not state the type of the Delay pin. 'passive' is assumed because an external res"
        ],
        "pages_sent": 16,
        "cost_usd": 0.1413,
        "at": "2026-10-27T01:08:20"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncv8518cp-d.pdf",
        "pages": 16,
        "sha256": "d738636e5a302f65",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-27",
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      },
      {
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8-EP",
      "Category": "Power Supply Chip",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
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          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": 5,
          "max": 5.1,
          "conditions": "6.0 V ≤ VIN ≤ 28 V, 100 µA ≤ IOUT ≤ 150 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 356,
          "max": 750,
          "conditions": "IOUT = 150 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "mV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "VIN = 13.5 V, IOUT = 100 µA to 150 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "IOUT = 5.0 mA, VIN = 6.0 V to 28 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 255,
          "typ": 510,
          "max": null,
          "conditions": "VOUT = 0.95 x VOUT_nom, Vin = 13.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown",
          "symbol": "TJmax",
          "kind": "electrical",
          "unit": "°C",
          "min": 150,
          "typ": 175,
          "max": 210,
          "conditions": "Guaranteed by design",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 70,
          "max": 85,
          "conditions": "VIN = 13.5 V, IOUT = 100 µA, VENABLE = 2.0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Disable Current",
          "symbol": "IDIS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VENABLE = 0 V, TA ≤ +125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "RESET Threshold Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": 4.65,
          "max": 4.75,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "RESET Output Low",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.025,
          "max": 0.4,
          "conditions": "RRESET = 10 kΩ to VOUT, VOUT = 1.0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "RESET Output High",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": 4.86,
          "max": null,
          "conditions": "RRESET = 10 kΩ to GND",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power On Reset Delay Time",
          "symbol": "POR",
          "kind": "timing",
          "unit": "ms",
          "min": 2,
          "typ": 3.1,
          "max": 4,
          "conditions": "VIN = 13.5 V, RDelay = 60 kΩ, IOUT = 5.0 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Watchdog Threshold Voltage",
          "symbol": "WDIhigh",
          "kind": "electrical",
          "unit": "% of VOUT",
          "min": 30,
          "typ": 50,
          "max": 70,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Watchdog Hysteresis",
          "symbol": "WDIhys",
          "kind": "electrical",
          "unit": "mV",
          "min": 25,
          "typ": 100,
          "max": null,
          "conditions": "Guaranteed by design",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Watchdog Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1.1,
          "max": 2,
          "conditions": "WDI = 6.0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ENABLE Threshold Logic Low",
          "symbol": "Vth(ENABLE)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VOUT ≤ 0.1 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ENABLE Threshold Logic High",
          "symbol": "Vth(ENABLE)",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VOUT ≥ 4.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ENABLE Input Current",
          "symbol": "IENABLE",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.4,
          "max": 10,
          "conditions": "VENABLE = 2.0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Wake Up Period",
          "symbol": "",
          "kind": "timing",
          "unit": "ms",
          "min": 18,
          "typ": 24,
          "max": 32,
          "conditions": "VIN = 13.5 V, IOUT = 5.0 mA, RDelay = 120 kΩ",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Wake Up Duty Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 45,
          "typ": 50,
          "max": 55,
          "conditions": "Nominal",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "RESET HIGH to Wake Up Rising Delay Time",
          "symbol": "",
          "kind": "timing",
          "unit": "ms",
          "min": 9,
          "typ": 12,
          "max": 16,
          "conditions": "RDelay = 120 kΩ, 50% RESET Rising Edge to 50% Wake Up Edge",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Wake Up Response to Watchdog Input",
          "symbol": "",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 0.65,
          "max": 2,
          "conditions": "50% WDI Falling Edge to 50% Wake Up Falling Edge",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Wake Up Response to RESET",
          "symbol": "",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 0.012,
          "max": 1,
          "conditions": "VOUT = 5.0 V→ 4.5 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Wake Up Output Low",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.085,
          "max": 0.4,
          "conditions": "RWakeUp = 10 kΩ to VOUT",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Wake Up Output High",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": 4.86,
          "max": null,
          "conditions": "RWakeUp = 10 kΩ to GND",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "DC Input Voltage / ENABLE Voltage",
          "symbol": "VIN, VENABLE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 40,
          "conditions": "DC voltage",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Peak Transient Voltage (Load Dump)",
          "symbol": "VIN, VENABLE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "Load Dump Test B, ISO16750-2",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "RESET Output Voltage",
          "symbol": "VRESET",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "Pin to Ground only, all other pins left disconnected",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Wake Up Voltage",
          "symbol": "VWake_Up",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "Pin to Ground only, all other pins left disconnected",
          "source_page": 4,
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        {
          "name": "Watchdog Input Voltage",
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          "kind": "absolute_maximum",
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          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
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        },
        {
          "name": "Delay Timing Voltage",
          "symbol": "VDelay",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Capability, Human Body Model",
          "symbol": "ESDHBM",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "ESD Capability, Charged Device Model",
          "symbol": "ESDCDM",
          "kind": "absolute_maximum",
          "unit": "kV",
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          "typ": null,
          "max": 1,
          "conditions": "",
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        {
          "name": "Lead Temperature Soldering: Reflow (Lead-Free)",
          "symbol": "TSLD",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 265,
          "conditions": "60-150 sec above 217 °C, 40 sec max at peak",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 6,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0.1,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitor",
          "symbol": "CIN",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 0.1,
          "typ": null,
          "max": null,
          "conditions": "Including de-ratings",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitor",
          "symbol": "COUT",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "Including de-ratings",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power On Reset Delay Time (RDelay 120 kΩ)",
          "symbol": "POR",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 6.2,
          "max": null,
          "conditions": "VIN = 13.5 V, RDelay = 120 kΩ, IOUT = 5.0 mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Reset Reaction Time",
          "symbol": "tRR",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
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          "name": "Thermal Resistance Junction to Ambient, SOIC-8 EP",
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          "unit": "°C/W",
          "min": null,
          "typ": 132.3,
          "max": null,
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          "source_page": 5,
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        {
          "name": "Thermal Resistance Junction to Ambient, SOIC-8 EP",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 85.3,
          "max": null,
          "conditions": "1 sq. inch spreader board",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Board, SOIC-8 EP",
          "symbol": "ΨJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "100 sq. mm spreader board",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Board, SOIC-8 EP",
          "symbol": "ΨJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 7.5,
          "max": null,
          "conditions": "1 sq. inch spreader board",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
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  "discovery_pitch": "NCV8518CPDR2G (onsemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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