main
Ray Set visibility: public c32b7d3 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ncp551sn50t1g",
  "title": "NCP551SN50T1G",
  "brief": "onsemi Linear Voltage Regulators (LDO), TSOP-5. 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 supply chip",
    "ncp551sn50t1g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NCP551SN50T1G",
    "manufacturer": "onsemi",
    "package": "TSOP-5",
    "pin_count": 5,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588910684554080256",
    "parts": {
      "symbol": "ncp551sn50t1g.kicad_sym",
      "footprint": "ncp551sn50t1g.kicad_mod",
      "model_3d": "ncp551sn50t1g-hero.glb",
      "model_3d_plain": "ncp551sn50t1g-etched.glb",
      "model_3d_step": "ncp551sn50t1g-etched.step",
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      "lbr": "ncp551sn50t1g.lbr"
    },
    "distributor_links": {
      "lcsc": "C233412",
      "digikey": "NCP551SN50T1GOSTR-ND",
      "mouser": "863-NCP551SN50T1G"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:51:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "NCP551SN50T1GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-NCP551SN50T1G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Vin",
        "type": "power_in",
        "description": "Positive power supply input voltage; the Maximum Ratings table limits Vin to 0 to 12 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Power supply ground."
      },
      {
        "number": "3",
        "name": "Enable",
        "type": "input",
        "description": "Pulling this input low places the device into low-power standby (disabled); if unused it should be connected to Vin, and the enable threshold is 1.3 V (rising, on) and 0.3 V (falling, off)."
      },
      {
        "number": "4",
        "name": "N/C",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
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        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output voltage."
      }
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        "extractor": "extract_pins 0.3",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The page 1 pin-connection drawing labels pin 3 as N/C and pin 4 as Enable, which contradicts the pag; Pin 3 description includes the enable threshold values from the Electrical Characteristics table on "
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        "pages_sent": 13,
        "cost_usd": 0.0737,
        "at": "2026-10-18T03:49:47"
      },
      "datasheet": {
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        "pages": 13,
        "sha256": "87f960bc836c0c40",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "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": "7bb4f709cbcec3383aaa7ba920208a4d73b376d9bb60806b65f21dbdb00a84b7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "e02f9b58c58ae940c794f5226ac95efd8479209ac9f3e828679e84bc7bf4b2fe",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TSOP-5",
      "Category": "Power Supply Chip",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": "PSIJ−Lead 2 \u0004J−L2 1 oz Copper Thickness, 100 mm2 68 °C/W",
        "page": 2,
        "doc": "ds.pdf",
        "material": "Copper"
      },
      "version": 1,
      "datasheet_sha256": "87f960bc836c0c4062edbc77352930320b442770c2a8bee8b625abaf51336e43"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Output Voltage (TA = 25°C, Iout = 10 mA), 5.0 V option",
          "symbol": "Vout",
          "kind": "tolerance",
          "unit": "V",
          "min": 4.9,
          "typ": 5,
          "max": 5.1,
          "conditions": "TA = 25°C, Iout = 10 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (TA = Tlow to Thigh, Iout = 10 mA), 5.0 V option",
          "symbol": "Vout",
          "kind": "tolerance",
          "unit": "V",
          "min": 4.85,
          "typ": 5,
          "max": 5.15,
          "conditions": "TA = Tlow to Thigh, Iout = 10 mA; NCP551 Tlow = −40°C, Thigh = +85°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 30,
          "conditions": "Vin = Vout + 1.0 V to 12 V, Iout = 10 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 40,
          "max": 65,
          "conditions": "Iout = 10 mA to 150 mA, Vin = Vout + 2.0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current, 4.1 V−5.0 V option (Vin = 8.0 V)",
          "symbol": "Io(nom.)",
          "kind": "electrical",
          "unit": "mA",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "Vout = (Vout at Iout = 100 mA) −3%; 4.1 V−5.0 V (Vin = 8.0 V)",
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        },
        {
          "name": "Dropout Voltage, 2.7 V to 5.0 V group",
          "symbol": "Vin−Vout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 40,
          "max": 150,
          "conditions": "Iout = 10 mA, measured at Vout −3.0%; 2.7 V, 2.8 V, 2.9 V, 3.0 V, 3.1 V, 3.2 V, 3.3 V, 3.6 V, 3.8 V, 5.0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current, Enable Input = 0 V, 4.1 V−5.0 V option (Vin = 8.0 V)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "Enable Input = 0 V; 4.1 V−5.0 V options, Vin = 8.0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current, Enable Input = Vin, Iout = 1.0 mA to Io(nom.), 4.1 V−5.0 V option (Vin = 8.0 V)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 4,
          "max": 8,
          "conditions": "Enable Input = Vin, Iout = 1.0 mA to Io(nom.); 4.1 V−5.0 V options, Vin = 8.0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Enable Input Threshold Voltage, voltage increasing (output turns on, logic high)",
          "symbol": "Vth(en)",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": null,
          "max": null,
          "conditions": "Voltage increasing, output turns on, logic high",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Enable Input Threshold Voltage, voltage decreasing (output turns off, logic low)",
          "symbol": "Vth(en)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "Voltage decreasing, output turns off, logic low",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Temperature Coefficient",
          "symbol": "Tc",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Short Circuit Current, 4.1 V−5.0 V option (Vin = 8.0 V)",
          "symbol": "Iout(max)",
          "kind": "electrical",
          "unit": "mA",
          "min": 160,
          "typ": 350,
          "max": 600,
          "conditions": "Vout = 0 V; 4.1 V−5.0 V (Vin = 8.0 V)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Enable Voltage",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as Vin + 0.3 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (absolute maximum)",
          "symbol": "Vout",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as Vin + 0.3 V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "NCP551",
          "source_page": 2,
          "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": "ESD Human Body Model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "Per MIL-STD-883, Method 3015",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Machine Model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Method 200",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Ambient Thermal Resistance",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "1 oz Copper Thickness, 100 mm2",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Lead Thermal Characteristic",
          "symbol": "PSIJ-L2",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 68,
          "max": null,
          "conditions": "1 oz Copper Thickness, 100 mm2",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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