NCP4318BLCDR2G

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  "slug": "ncp4318blcdr2g",
  "title": "NCP4318BLCDR2G",
  "brief": "onsemi AC-DC Controllers And Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "NCP4318BLCDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
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    },
    "pins": [
      {
        "number": "1",
        "name": "GATE1",
        "type": "output",
        "description": "Gate drive output for SR MOSFET1, clamped to 9 V to 12 V (10.5 V typ) for 12 V < VDD < 33 V with absolute maximum −0.3 V to 17 V, with 1.5 A peak sourcing and 4.5 A peak sinking."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all voltage values in the datasheet are stated with respect to this pin."
      },
      {
        "number": "3",
        "name": "VD1",
        "type": "input",
        "description": "Synchronous rectifier drain sense input for SR1, rated −4 V to 200 V absolute (−0.7 V to 180 V recommended); the IOFFSET1 current source flows out of this pin so an external series resistor can set the turn-off threshold, and it is disabled when VDD is under-voltage or switching is disabled in green mode."
      },
      {
        "number": "4",
        "name": "VS1",
        "type": "input",
        "description": "Synchronous rectifier source sense input for SR1, rated −0.3 V to 5.5 V absolute (−0.3 V to 5 V recommended)."
      },
      {
        "number": "5",
        "name": "VS2",
        "type": "input",
        "description": "Synchronous rectifier source sense input for SR2, rated −0.3 V to 5.5 V absolute (−0.3 V to 5 V recommended)."
      },
      {
        "number": "6",
        "name": "VD2",
        "type": "input",
        "description": "Synchronous rectifier drain sense input for SR2, rated −4 V to 200 V absolute (−0.7 V to 180 V recommended); the IOFFSET2 current source flows out of this pin so an external series resistor can set the turn-off threshold, and it is disabled when VDD is under-voltage or switching is disabled in green mode."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage, 0 V to 35 V recommended (−0.3 V to 37 V absolute maximum), with turn-on threshold 4.3 V typ and turn-off threshold 3.8 V typ."
      },
      {
        "number": "8",
        "name": "GATE2",
        "type": "output",
        "description": "Gate drive output for SR MOSFET2, clamped to 9 V to 12 V (10.5 V typ) for 12 V < VDD < 33 V with absolute maximum −0.3 V to 17 V, with 1.5 A peak sourcing and 4.5 A peak sinking."
      }
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
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    "characteristics": {
      "version": 1,
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      "rows": [
        {
          "name": "Turn-on threshold",
          "symbol": "VDD_ON",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": 4.3,
          "conditions": "VDD rising with 4.3 V / 1 ms",
          "source_page": 5,
          "source": "datasheet"
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          "name": "Turn-off threshold",
          "symbol": "VDD_OFF",
          "kind": "electrical",
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          "typ": null,
          "max": 3.8,
          "conditions": "VDD < VDD_OFF",
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        {
          "name": "SR gate enable threshold voltage",
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          "typ": 8,
          "max": 10,
          "conditions": "fSW = 100 kHz, CGATE = 1 nF",
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          "name": "Operating current in green mode",
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          "kind": "electrical",
          "unit": "µA",
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          "typ": 100,
          "max": 210,
          "conditions": "VDD = 12 V (no VD1/2 switching), GREEN1 enable at TJ = 25°C",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Comparator input offset voltage",
          "symbol": "VOSI",
          "kind": "electrical",
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          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "",
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        {
          "name": "Minimum off-time (BLC)",
          "symbol": "tOFF_MIN",
          "kind": "timing",
          "unit": "ns",
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          "typ": 2000,
          "max": 2800,
          "conditions": "From VD1/2 higher than VTH_HGH (ALC, BLC, ALK)",
          "source_page": 5,
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        {
          "name": "Turn-on propagation delay",
          "symbol": "tON_DLY",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 30,
          "max": 80,
          "conditions": "From VD1/2 = −0.2 to VGATE = 1 V, when DLY_EN = 0",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Turn-off propagation delay",
          "symbol": "tOFF_DLY",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 30,
          "max": 80,
          "conditions": "From VD1/2 = 0.6 to VGATE = 5.7 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum SR conduction time to enable SR when DLY_EN = 0 (BLC)",
          "symbol": "tGATE_SKIP_L1",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 500,
          "max": 710,
          "conditions": "Duration from turn-on trigger to VD1/2 rising higher than VTH_HGH, when DLY_EN = 0",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Adaptive minimum on time ratio when DLY_EN = 0",
          "symbol": "KTON1",
          "kind": "electrical",
          "unit": "%",
          "min": 43,
          "typ": 50,
          "max": 57,
          "conditions": "DLY_EN=0 & tSR_COND(n−1) = 8 µs",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Minimum on-time upper limit when DLY_EN = 0",
          "symbol": "tMIN_ON_U1",
          "kind": "timing",
          "unit": "µs",
          "min": 4,
          "typ": 5,
          "max": 6,
          "conditions": "tMIN_ON_L < tMIN_ON < tMIN_ON_U, when DLY_EN = 0",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Minimum on-time upper limit when DLY_EN = 1",
          "symbol": "tMIN_ON_U2",
          "kind": "timing",
          "unit": "µs",
          "min": 2,
          "typ": 2.5,
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          "conditions": "tMIN_ON_L < tMIN_ON < tMIN_ON_U, when DLY_EN = 1",
          "source_page": 6,
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        },
        {
          "name": "Adaptive SR current inversion detection window ratio when DLY_EN = 0",
          "symbol": "KINV1",
          "kind": "electrical",
          "unit": "%",
          "min": 43,
          "typ": 50,
          "max": 57,
          "conditions": "KTON1 = KINV1, when DLY_EN = 0; tINV_WIN = tMIN_ON",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Maximum SR turn-on time",
          "symbol": "tSR_MAX_ON",
          "kind": "timing",
          "unit": "µs",
          "min": 21,
          "typ": 30,
          "max": 39,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Minimum switching frequency",
          "symbol": "fMIN",
          "kind": "electrical",
          "unit": "kHz",
          "min": 22,
          "typ": null,
          "max": null,
          "conditions": "1/(tSR_MAX_ON_CH1 + tSR_MAX_ON_CH2)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum of adaptive offset current (31 steps, 10 µA resolution)",
          "symbol": "IOFFSET",
          "kind": "electrical",
          "unit": "µA",
          "min": 285,
          "typ": 310,
          "max": 335,
          "conditions": "VD1 = VD2 = 0",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Non-switching period of SR gate to enter Green Mode 1 (L-version, BLC)",
          "symbol": "tGRN1_ENT",
          "kind": "timing",
          "unit": "µs",
          "min": 45,
          "typ": 60,
          "max": 75,
          "conditions": "When SR_COND1, 2 are both low for tGRN1_ENT_L, green mode1 is enabled",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Non-switching period of SR gate to enter Green Mode 2 (L-version, BLC)",
          "symbol": "tGRN2_ENT",
          "kind": "timing",
          "unit": "µs",
          "min": 4.5,
          "typ": 6,
          "max": 7.5,
          "conditions": "When SR_COND1, 2 are both low for tGRN2_ENT_L, green mode2 is enabled",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Drain threshold voltage for the primary shutdown protection",
          "symbol": "KSD_PRI",
          "kind": "electrical",
          "unit": "%",
          "min": 65,
          "typ": 70,
          "max": 75,
          "conditions": "Detection window time ratio based on tVG1(n−1) (LLD1 = 0, tVG1(n−1) = 8 µs)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Gate clamping voltage",
          "symbol": "VGATE_MAX",
          "kind": "electrical",
          "unit": "V",
          "min": 9,
          "typ": 10.5,
          "max": 12,
          "conditions": "12 V < VDD < 33 V, CGATE = 4.7 nF at TJ < TOTP1",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Gate clamping voltage for adaptive gate voltage control",
          "symbol": "VGATE_MAX_7V",
          "kind": "electrical",
          "unit": "V",
          "min": 5,
          "typ": 6.7,
          "max": 8.2,
          "conditions": "VDD = 12 V, CGATE = 4.7 nF",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Adaptive gate control enabling switching period (BLC)",
          "symbol": "tHFS1_EN",
          "kind": "timing",
          "unit": "µs",
          "min": 4,
          "typ": 5,
          "max": 6.1,
          "conditions": "Time ts from VGATE1(n−1) rising edge to VGATE1(n) rising edge at TJ < TOTP1",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Rise time",
          "symbol": "tR",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 50,
          "max": 150,
          "conditions": "VDD = 12 V, CL = 3.3 nF, VGATE = 1 V to 6 V at TJ = 25°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Fall time",
          "symbol": "tF",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 30,
          "max": 50,
          "conditions": "VDD = 12 V, CL = 3.3 nF, VGATE = 6 V to 1 V at TJ = 25°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Input Pin Voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 37,
          "conditions": "",
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        {
          "name": "Drain Sense Input Pin Voltage",
          "symbol": "VD1, VD2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -4,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Gate Drive Output Pin Voltage",
          "symbol": "VGATE1, VGATE2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 17,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Source Sense Input Pin Voltage",
          "symbol": "VS1, VS2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Source Sense Dynamic Input Pin Voltage",
          "symbol": "VS1_DYN, VS2_DYN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -4,
          "typ": null,
          "max": 5.5,
          "conditions": "pulse width = 200 ns",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Power Dissipation (TA = 25°C)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.625,
          "conditions": "TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
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          "max": 150,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Storage Temperature Range",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Lead Temperature (Soldering, 10 Seconds)",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 seconds",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VDD Pin Supply Voltage to GND",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 35,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Drain Sense Input Pin Voltage",
          "symbol": "VD1, VD2",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.7,
          "typ": null,
          "max": 180,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Source Sense Input Pin Voltage",
          "symbol": "VS1, VS2",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Startup current",
          "symbol": "IDD_START",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VDD = VDD_ON − 0.1 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating current",
          "symbol": "IDD_OP0",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "fSW = 100 kHz, CGATE = 0 nF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Turn-on threshold",
          "symbol": "VTH_ON",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": -100,
          "max": null,
          "conditions": "ROFFSET = 0 (includes comparator input offset voltage)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Drain voltage high detect threshold voltage",
          "symbol": "VTH_HGH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.85,
          "max": null,
          "conditions": "VD1/2 rising (ALC, BLC, AHJ, ALK)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Lower band of dead time regulation",
          "symbol": "tDEAD_LBAND",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "From VGATE falling below VGATE_LOW (ALC, BLC, ALS, ALK)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Threshold voltage of current inversion detection / debounce time of SR current inversion detection",
          "symbol": "tINV",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 320,
          "max": null,
          "conditions": "VGATE1/2 > 4.5 V & VD1/2 > VSRC_INV for tINV (ALC, BLC, ALK)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Drain threshold voltage for the primary shutdown protection",
          "symbol": "VSD_PRI",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
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