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Ray Set visibility: public 92997f0 3h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ncp161afct280t2g",
  "title": "NCP161AFCT280T2G",
  "brief": "onsemi Linear Voltage Regulators (LDO), WLCSP-4(0.6x0.6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "NCP161AFCT280T2G",
    "manufacturer": "onsemi",
    "package": "WLCSP-4(0.6x0.6)",
    "pin_count": 4,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/ncp161afct280t2-d.pdf",
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      "lbr": "ncp161afct280t2g.lbr"
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    "distributor_links": {
      "lcsc": "C895717"
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    "distributor_check": {
      "checked_at": "2026-10-22T21:52:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
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      "mouser": {
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    "pins": [
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        "name": "IN",
        "type": "power_in",
        "description": "Input voltage supply pin; operating input range is 1.9 V to 5.5 V (absolute maximum 6 V)."
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      {
        "number": "A2",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage (2.8 V for this part) that should be bypassed with a small 1 µF ceramic capacitor."
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        "name": "EN",
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        "description": "Chip enable: VEN < 0.4 V disables the regulator and VEN > 1.2 V enables the LDO, with an internal pull-down current source of typ. 200 nA."
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        "at": "2026-10-22T21:52:08"
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        "sha256": "3032b450d455a119",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 4,
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "WLCSP-4(0.6x0.6)",
      "Category": "Power Management ICs",
      "Pins": "4"
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          "kind": "recommended_operating",
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          "min": 1.9,
          "typ": null,
          "max": 5.5,
          "conditions": "",
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        {
          "name": "Output Voltage Accuracy",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VIN = VOUT(NOM) + 1 V, 0 mA ≤ IOUT ≤ 450 mA, WLCSP4",
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        {
          "name": "Dropout Voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
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          "typ": 175,
          "max": 290,
          "conditions": "IOUT = 450 mA, WLCSP4, VOUT(NOM) = 2.8 V",
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          "name": "Output Current Limit",
          "symbol": "ICL",
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          "unit": "mA",
          "min": 450,
          "typ": 700,
          "max": null,
          "conditions": "VOUT = 90% VOUT(NOM)",
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        {
          "name": "Short Circuit Current",
          "symbol": "ISC",
          "kind": "electrical",
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          "typ": 690,
          "max": null,
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          "name": "Quiescent Current",
          "symbol": "IQ",
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          "typ": 18,
          "max": 23,
          "conditions": "IOUT = 0 mA",
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          "name": "Shutdown Current",
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          "typ": 0.01,
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        {
          "name": "EN Input Voltage High",
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          "name": "EN Input Voltage Low",
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          "kind": "electrical",
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          "min": null,
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          "max": 0.4,
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        {
          "name": "EN Pull Down Current",
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          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.2,
          "max": 0.5,
          "conditions": "VEN = 4.8 V",
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        },
        {
          "name": "Active output discharge resistance",
          "symbol": "RDIS",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 280,
          "max": null,
          "conditions": "VEN < 0.4 V, Version A only",
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          "source": "datasheet"
        },
        {
          "name": "Line transient",
          "symbol": "TranLINE",
          "kind": "electrical",
          "unit": "mV",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VIN = (VOUT(NOM) + 1 V) to (VOUT(NOM) + 1.6 V) in 30 µs, IOUT = 1 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load transient",
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          "kind": "electrical",
          "unit": "mV",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "IOUT = 1 mA to 450 mA in 10 µs",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "LineReg",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.02,
          "max": null,
          "conditions": "VOUT(NOM) + 1 V ≤ VIN ≤ 5.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Turn-On Time",
          "symbol": "",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "COUT = 1 µF, from assertion of VEN to VOUT = 95% VOUT(NOM)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Noise",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "µVRMS",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "f = 10 Hz to 100 kHz, IOUT = 250 mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Threshold",
          "symbol": "TSDH",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "Temperature rising",
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        {
          "name": "Thermal Shutdown Threshold",
          "symbol": "TSDL",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "Temperature falling",
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        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
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          "min": -0.3,
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          "conditions": "",
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          "name": "Output Voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "-0.3 to VIN + 0.3, max. 6 V",
          "source_page": 3,
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        },
        {
          "name": "Chip Enable Input",
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          "name": "Maximum Junction Temperature",
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          "name": "Storage Temperature",
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          "min": -55,
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          "conditions": "",
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          "name": "ESD Capability, Human Body Model",
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          "source_page": 3,
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          "name": "ESD Capability, Machine Model",
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          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Thermal Resistance, Junction-to-Air, CSP4",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 108,
          "max": null,
          "conditions": "CSP4, JEDEC JESD51-7 board",
          "source_page": 3,
          "source": "datasheet"
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