NCP4390DR2G

{
  "schema_version": 1,
  "type": "component",
  "slug": "ncp4390dr2g",
  "title": "NCP4390DR2G",
  "brief": "onsemi AC-DC Controllers & Regulators, SOIC-16. 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 ics",
    "ncp4390dr2g",
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  "component": {
    "mpn": "NCP4390DR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Power Management ICs",
    "subcategory": "AC-DC Controllers & Regulators",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncp4390-d.pdf",
    "parts": {
      "symbol": "ncp4390dr2g.kicad_sym",
      "footprint": "ncp4390dr2g.kicad_mod",
      "model_3d": "ncp4390dr2g-hero.glb",
      "model_3d_plain": "ncp4390dr2g-etched.glb",
      "model_3d_step": "ncp4390dr2g-etched.step",
      "model_3d_step_plain": "ncp4390dr2g.step",
      "lbr": "ncp4390dr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C904508",
      "digikey": "488-NCP4390DR2GTR-ND",
      "mouser": "863-NCP4390DR2G"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:15:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "488-NCP4390DR2GTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-NCP4390DR2G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "5VB",
        "type": "power_out",
        "description": "5 V reference output, with pin voltage rated -0.3 V to 5.5 V absolute maximum."
      },
      {
        "number": "2",
        "name": "PWMS",
        "type": "input",
        "description": "PWM mode entry level setting pin, rated -0.3 V to 5.0 V."
      },
      {
        "number": "3",
        "name": "FMIN",
        "type": "input",
        "description": "Minimum frequency setting pin, rated -0.3 V to 5.0 V."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Output voltage sensing input for feedback control, rated -0.3 V to 5.0 V."
      },
      {
        "number": "5",
        "name": "COMP",
        "type": "output",
        "description": "Output of the error amplifier, rated -0.3 V to 5.0 V."
      },
      {
        "number": "6",
        "name": "SS",
        "type": "passive",
        "description": "Soft-start time programming pin, rated -0.3 V to 5.0 V."
      },
      {
        "number": "7",
        "name": "ICS",
        "type": "passive",
        "description": "Current information integration pin for current mode control, rated -0.5 V to 5.0 V."
      },
      {
        "number": "8",
        "name": "CS",
        "type": "input",
        "description": "Current sensing input for over current protection, rated -5.0 V to 5.0 V."
      },
      {
        "number": "9",
        "name": "RDT",
        "type": "passive",
        "description": "Dead time programming pin for the primary side switches and secondary side SR switches, rated -0.3 V to 5.0 V."
      },
      {
        "number": "10",
        "name": "SR1DS",
        "type": "input",
        "description": "SR1 drain-to-source voltage detection input, rated -0.3 V to 5.0 V."
      },
      {
        "number": "11",
        "name": "SROUT2",
        "type": "output",
        "description": "Gate drive output for secondary side SR MOSFET 2, rated -0.3 V to VDD."
      },
      {
        "number": "12",
        "name": "SROUT1",
        "type": "output",
        "description": "Gate drive output for secondary side SR MOSFET 1, rated -0.3 V to VDD."
      },
      {
        "number": "13",
        "name": "PROUT2",
        "type": "output",
        "description": "Gate drive output 2 for the primary side switch, rated -0.3 V to VDD."
      },
      {
        "number": "14",
        "name": "PROUT1",
        "type": "output",
        "description": "Gate drive output 1 for the primary side switch, rated -0.3 V to VDD."
      },
      {
        "number": "15",
        "name": "VDD",
        "type": "power_in",
        "description": "IC supply voltage, recommended 0 V to 18 V and absolute maximum 20.0 V."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; all voltage ratings are referenced to this pin."
      }
    ],
    "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: Pin types (e.g. 5VB as power_out, COMP as output, SS/ICS/RDT as passive) are inferred from the pin f"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0882,
        "at": "2026-10-23T09:15:11"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncp4390-d.pdf",
        "pages": 31,
        "sha256": "4ceee51d3b522bf9",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "units": "mm",
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-23",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-16",
      "Category": "Power Management ICs",
      "Pins": "16"
    },
    "characteristics": {
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      "source": "datasheet",
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      "rows": [
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          "name": "VDD Pin Supply Voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 20,
          "conditions": "to GND",
          "source_page": 4,
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        {
          "name": "5VB Pin Voltage",
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        {
          "name": "CS Pin Voltage",
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          "name": "ICS Pin Voltage",
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          "conditions": "",
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        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
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        {
          "name": "Lead Soldering Temperature",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 seconds",
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        {
          "name": "ESD HBM",
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          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human body Model, ANSI/ESDA/JEDEC JS-001-2012",
          "source_page": 4,
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        {
          "name": "ESD CDM",
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          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Charged Device Model, JESD22-C101",
          "source_page": 4,
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        {
          "name": "Junction-to-Ambient Thermal Resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 115,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "VDD Supply Voltage (operating)",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 18,
          "conditions": "to GND",
          "source_page": 4,
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        },
        {
          "name": "5VB Pin Voltage (operating)",
          "symbol": "V5VB",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Signal Input Voltage",
          "symbol": "VINS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5,
          "conditions": "",
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        {
          "name": "Operating Junction Temperature",
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          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Startup Supply Current",
          "symbol": "ISTARTUP",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 80,
          "max": 115,
          "conditions": "VDD = 9 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VDD ON Voltage",
          "symbol": "VDD.ON",
          "kind": "electrical",
          "unit": "V",
          "min": 9,
          "typ": 10,
          "max": 11,
          "conditions": "VDD rising",
          "source_page": 5,
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        },
        {
          "name": "UVLO Hysteresis",
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          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": 1.4,
          "max": 1.9,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "5 V Reference",
          "symbol": "V5VB",
          "kind": "electrical",
          "unit": "V",
          "min": 4.99,
          "typ": 5.05,
          "max": 5.11,
          "conditions": "TJ = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "5 V Reference",
          "symbol": "V5VB",
          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": 5.05,
          "max": 5.2,
          "conditions": "-40°C < TJ < 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage Feedback Reference",
          "symbol": "VSS.CLMP",
          "kind": "electrical",
          "unit": "V",
          "min": 2.37,
          "typ": 2.4,
          "max": 2.43,
          "conditions": "TJ = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage Feedback Reference",
          "symbol": "VSS.CLMP",
          "kind": "electrical",
          "unit": "V",
          "min": 2.34,
          "typ": 2.4,
          "max": 2.46,
          "conditions": "-40°C < TJ < 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error Amplifier Max Output Current (Sourcing)",
          "symbol": "ICOMP1",
          "kind": "electrical",
          "unit": "µA",
          "min": 65,
          "typ": 90,
          "max": 115,
          "conditions": "VFB = 1.8 V, VCOMP = 2.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error Amplifier Max Output Current (Sinking)",
          "symbol": "ICOMP2",
          "kind": "electrical",
          "unit": "µA",
          "min": 65,
          "typ": 90,
          "max": 115,
          "conditions": "VFB = 3.0 V, VCOMP = 2.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Error Amplifier Output High Clamping Voltage",
          "symbol": "VCOMP.CLMP1",
          "kind": "electrical",
          "unit": "V",
          "min": 4.2,
          "typ": 4.4,
          "max": 4.6,
          "conditions": "VFB = 1.8 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VCOMP Internal Clamping Voltage for PWM",
          "symbol": "VCOMP.PWM",
          "kind": "electrical",
          "unit": "V",
          "min": 1.26,
          "typ": 1.41,
          "max": 1.56,
          "conditions": "RPWM = 130 k",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VCOMP Internal Clamping Voltage for PWM",
          "symbol": "VCOMP.PWM",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": 1.6,
          "max": 1.8,
          "conditions": "RPWM = 82 k",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "PWMS Pin Voltage",
          "symbol": "VPWMS",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": 2,
          "max": 2.1,
          "conditions": "RPWM = 82 k",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VCOMP Threshold for Entering Skip Cycle",
          "symbol": "VCOMP.SKP",
          "kind": "electrical",
          "unit": "V",
          "min": 1.15,
          "typ": 1.25,
          "max": 1.35,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dead-Time Programming Current",
          "symbol": "IDT",
          "kind": "electrical",
          "unit": "µA",
          "min": 140,
          "typ": 150,
          "max": 160,
          "conditions": "VRDT = 1.2 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "First Threshold for Dead-Time Detection",
          "symbol": "VTHDT1",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": 1,
          "max": 1.1,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Second Threshold for Dead-Time Detection",
          "symbol": "VTHDT2",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": 3,
          "max": 3.2,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VRDT ON Voltage",
          "symbol": "VRDT.ON",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.4,
          "max": 1.6,
          "conditions": "VRDT rising",
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        },
        {
          "name": "Total Soft-Start Current",
          "symbol": "ISS.T",
          "kind": "electrical",
          "unit": "µA",
          "min": 32,
          "typ": 40,
          "max": 52,
          "conditions": "VSS = 1 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Overload Protection Threshold",
          "symbol": "VOLP",
          "kind": "electrical",
          "unit": "V",
          "min": 3.45,
          "typ": 3.6,
          "max": 3.75,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft-Start Charge Current for Delayed Shutdown",
          "symbol": "ISS.UP",
          "kind": "electrical",
          "unit": "µA",
          "min": 8.2,
          "typ": 10.5,
          "max": 12.8,
          "conditions": "VSS = 3 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft-Start Discharge Current",
          "symbol": "ISS.DN",
          "kind": "electrical",
          "unit": "µA",
          "min": 8.2,
          "typ": 10.5,
          "max": 12.8,
          "conditions": "VSS = 3 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "SS Capacitor Maximum Charging Voltage",
          "symbol": "VSS.MAX",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": 4.7,
          "max": 4.9,
          "conditions": "",
          "source_page": 6,
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        {
          "name": "SS Capacitor Initialization Voltage",
          "symbol": "VSS.INIT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.01,
          "typ": 0.1,
          "max": 0.2,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VFB Threshold for Entering Skip Cycle",
          "symbol": "VFB.OVP1",
          "kind": "electrical",
          "unit": "V",
          "min": 2.53,
          "typ": 2.65,
          "max": 2.77,
          "conditions": "VCOMP = 3 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VFB Threshold for Exiting Skip Cycle",
          "symbol": "VFB.OVP2",
          "kind": "electrical",
          "unit": "V",
          "min": 2.18,
          "typ": 2.3,
          "max": 2.42,
          "conditions": "VCOMP = 3 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Error Voltage to Enable OSP",
          "symbol": "VERR.OSP",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.2,
          "max": 1.4,
          "conditions": "VSS = 2.4 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "FMIN Pin Voltage",
          "symbol": "VFMIN",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": 1.5,
          "max": 1.6,
          "conditions": "RFIMN = 10 k",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "PROUT Switching Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 95,
          "typ": 100,
          "max": 105,
          "conditions": "RMINF = 10 k, VCS = 1 V, VCOMP = 4.0 V, VICS = 0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Minimum PROUT Switching Frequency",
          "symbol": "fOSC.min",
          "kind": "electrical",
          "unit": "kHz",
          "min": 36,
          "typ": 39,
          "max": 42,
          "conditions": "RMINF = 40 k, VCS = 1 V, VCOMP = 4.0 V, VICS = 0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum PROUT Switching Frequency",
          "symbol": "fOSC.max",
          "kind": "electrical",
          "unit": "kHz",
          "min": 635,
          "typ": 690,
          "max": 735,
          "conditions": "RMINF = 2 k, VCS = 1 V, VCOMP = 2.0 V, VICS = 0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ICS Pin Signal Clamping Voltage",
          "symbol": "VICS.CLMP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 50,
          "conditions": "ICS = 400 µA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "SR_SHRNK Enable Threshold",
          "symbol": "VTH1",
          "kind": "electrical",
          "unit": "V",
          "min": 0.15,
          "typ": 0.2,
          "max": 0.25,
          "conditions": "VCOMP = 2.4 V",
          "source_page": 6,
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