NCP51400MNTXG

{
  "schema_version": 1,
  "type": "component",
  "slug": "ncp51400mntxg",
  "title": "NCP51400MNTXG",
  "brief": "onsemi Linear Voltage Regulators (LDO), UDFN-10-EP(3x3). 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",
    "ncp51400mntxg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NCP51400MNTXG",
    "manufacturer": "onsemi",
    "package": "UDFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncp51400mntx-d.pdf",
    "parts": {
      "symbol": "ncp51400mntxg.kicad_sym",
      "footprint": "ncp51400mntxg.kicad_mod",
      "model_3d": "ncp51400mntxg-hero.glb",
      "model_3d_plain": "ncp51400mntxg-etched.glb",
      "model_3d_step": "ncp51400mntxg-etched.step",
      "model_3d_step_plain": "ncp51400mntxg.step",
      "lbr": "ncp51400mntxg.lbr"
    },
    "distributor_links": {
      "lcsc": "C462911",
      "digikey": "NCP51400MNTXGOSTR-ND",
      "mouser": "863-NCP51400MNTXG"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:54:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "NCP51400MNTXGOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-NCP51400MNTXG",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VRI",
        "type": "input",
        "description": "VTT external reference input, set to VDDQ/2 through a resistor network, with a voltage range of 0.5 V to 1.8 V."
      },
      {
        "number": "2",
        "name": "PVCC",
        "type": "power_in",
        "description": "Power input internally connected to the output source MOSFET, with a recommended range of -0.1 V to 3.5 V."
      },
      {
        "number": "3",
        "name": "VTT",
        "type": "power_out",
        "description": "Power output of the linear regulator, regulated to VRO and able to source and sink current."
      },
      {
        "number": "4",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground internally connected to the output sink MOSFET."
      },
      {
        "number": "5",
        "name": "VTTS",
        "type": "input",
        "description": "VTT sense input providing accurate remote feedback sensing of VTT; connect to the remote DDR termination bypass capacitors."
      },
      {
        "number": "6",
        "name": "VRO",
        "type": "output",
        "description": "Independent buffered VTT reference output that sources and sinks over 5 mA; connect to GND through a 0.1 uF ceramic capacitor."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "CMOS-compatible shutdown control input with logic high = enable and logic low = shutdown; connect to VDDQ for normal operation."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground."
      },
      {
        "number": "9",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power good output that goes high when VTT is within ±20% of VRO and needs a pull-up resistor."
      },
      {
        "number": "10",
        "name": "VCC",
        "type": "power_in",
        "description": "Analog power supply input with a range of 2.375 V to 5.5 V; connect to GND through a 1-4.7 uF ceramic capacitor."
      },
      {
        "number": "11",
        "name": "THERMAL PAD",
        "type": "passive",
        "description": "Exposed pad for thermal connection; must be connected to the ground plane using multiple vias for maximum power dissipation performance."
      }
    ],
    "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 does not print a pin number for the exposed pad. I numbered it '11' as a convention an; The pin table does not give pin types. I assigned the types from the descriptions. The VTT and VRO o",
          "1/11 pins cited to the wrong page (name found elsewhere): ['11:THERMAL PAD@p2']"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1062,
        "at": "2026-10-27T00:53:44"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/ncp51400mntx-d.pdf",
        "pages": 9,
        "sha256": "0e49873ffb90fac6",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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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,
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        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-27",
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      {
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        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "UDFN-10-EP(3x3)",
      "Category": "Power Supply Chip",
      "Pins": "11"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0e49873ffb90fac6648c89682ea86a90bcf71a9e67c5cb1e61810712afb85583",
      "rows": [
        {
          "name": "VCC Supply Current",
          "symbol": "IVCC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.7,
          "max": 1,
          "conditions": "TA = +25°C, EN = 3.3 V, No Load",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC Shutdown Current",
          "symbol": "IVCC SHD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 65,
          "max": 80,
          "conditions": "TA = +25°C, EN = 0 V, VRI = 0 V, No Load",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC Shutdown Current",
          "symbol": "IVCC SHD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 200,
          "max": 400,
          "conditions": "TA = +25°C, EN = 0 V, VRI > 0.4 V, No Load",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC UVLO Threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2.15,
          "typ": 2.3,
          "max": 2.375,
          "conditions": "Wake-up, TA = +25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PVCC Supply Current",
          "symbol": "IPVCC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": 50,
          "conditions": "TA = +25°C, EN = 3.3 V, No Load",
          "source_page": 3,
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        },
        {
          "name": "PVCC Shutdown Current",
          "symbol": "IPVCC SHD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 50,
          "conditions": "TA = +25°C, EN = 0 V, No Load",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VTT Output Voltage Tolerance to VRO",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -18,
          "typ": null,
          "max": 18,
          "conditions": "PVCC = 1.50 V, VRO = 0.75 V, -2 A < ITT < 2 A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VTT Output Voltage Tolerance to VRO",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "PVCC = 1.35 V, VRO = 0.675 V, -2 A < ITT < 2 A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Source Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 3,
          "typ": null,
          "max": 4.5,
          "conditions": "VTTS = 90% * VRO",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Sink Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": null,
          "max": 5.5,
          "conditions": "VTTS = 110% * VRO",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Discharge MOSFET On-resistance",
          "symbol": "RDIS",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 18,
          "max": 25,
          "conditions": "VRI = 0 V, VTT = 0.3 V, EN = 0 V, TA = +25°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VRI Voltage Range",
          "symbol": "VRI",
          "kind": "electrical",
          "unit": "V",
          "min": 0.5,
          "typ": null,
          "max": 1.8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VRI UVLO Voltage",
          "symbol": "VRI UVLO",
          "kind": "electrical",
          "unit": "mV",
          "min": 360,
          "typ": 390,
          "max": 435,
          "conditions": "VRI rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VRO Voltage Tolerance to VRI",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -15,
          "typ": null,
          "max": 15,
          "conditions": "-10 mA < IRO < 10 mA, VRI = 1.25 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VRO Source Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 10,
          "typ": null,
          "max": 40,
          "conditions": "VRO = 0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VRO Sink Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 10,
          "typ": null,
          "max": 40,
          "conditions": "VRO = 0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PGOOD Lower Threshold (with respect to VRO)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -23.5,
          "typ": -20,
          "max": -17.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PGOOD Upper Threshold (with respect to VRO)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 17.5,
          "typ": 20,
          "max": 23.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PGOOD Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VTTS = VRI (PGOOD = True), PGOOD = VCC + 0.2 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PGOOD Output Low Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IGOOD = 4 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Logic high threshold",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": null,
          "conditions": "EN Logic high",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Logic low threshold",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "EN Logic low",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Logic Leakage Current",
          "symbol": "IILEAK",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "EN pin, TA = +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "TSH",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VTT Output DC Voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.75,
          "max": null,
          "conditions": "PVCC = 1.50 V, VRO = 0.75 V, ITT = 0 A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soft-start Current Limit Timeout",
          "symbol": "TSS",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "PGOOD Start-up Delay",
          "symbol": "",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "Start-up rising edge, VTTS within 15% of VRO",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PGOOD = False Delay",
          "symbol": "",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VTTS is beyond ±20% PGOOD trip thresholds",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.375,
          "typ": null,
          "max": 5.5,
          "conditions": "",
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        },
        {
          "name": "Voltage Range VRO",
          "symbol": "VRO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.1,
          "typ": null,
          "max": 1.8,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Voltage Range VRI",
          "symbol": "VRI",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.5,
          "typ": null,
          "max": 1.8,
          "conditions": "",
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        },
        {
          "name": "Voltage Range PVCC, VTT, VTTS, EN, PGOOD",
          "symbol": "",
          "kind": "recommended_operating",
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          "min": -0.1,
          "typ": null,
          "max": 3.5,
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        {
          "name": "Voltage Range PGND",
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          "kind": "recommended_operating",
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          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "Operating Free-Air Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "VCC, PVCC, VTT, VTTS, VRI, VRO voltage",
          "symbol": "",
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          "min": -0.3,
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          "max": 6,
          "conditions": "",
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        },
        {
          "name": "EN, PGOOD voltage",
          "symbol": "",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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        },
        {
          "name": "PGND to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.3,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "ESD Capability, Human Body Model",
          "symbol": "ESDHBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 53.9,
          "max": null,
          "conditions": "1S2P JEDEC JESD51-7 PCB with 240 sqmm, 2 oz copper heat spreader",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 95.5,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 32.3,
          "max": null,
          "conditions": "1mm from package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top thermal characterization",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 4.3,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (bot) thermal resistance",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 14.2,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Rating",
          "symbol": "",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": 1.92,
          "max": null,
          "conditions": "TA = 25°C, 10-Pin DFN",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power Rating",
          "symbol": "",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": 0.79,
          "max": null,
          "conditions": "TA = +85°C, 10-Pin DFN",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
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