CAT6219-330TDGT3

{
  "schema_version": 1,
  "type": "component",
  "slug": "cat6219-330tdgt3",
  "title": "CAT6219-330TDGT3",
  "brief": "onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TSOT-23-5. 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 management (pmic)",
    "cat6219-330tdgt3",
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  "component": {
    "mpn": "CAT6219-330TDGT3",
    "manufacturer": "onsemi",
    "package": "TSOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883578461556736",
    "parts": {
      "symbol": "cat6219-330tdgt3.kicad_sym",
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      "lbr": "cat6219-330tdgt3.lbr"
    },
    "distributor_links": {
      "lcsc": "C255621"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T07:52:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input; operating range 2.3 V to 5.5 V (absolute max 6.5 V), with a 1 µF ceramic capacitor required to ground near the device."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; must be connected to the ground plane on the PCB."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Active-high enable input with an internal 2.5 MΩ pull-down resistor so the output is disabled if left open; logic low below 0.4 V, high above 1.8 V."
      },
      {
        "number": "4",
        "name": "BYP/ADJ",
        "type": "passive",
        "description": "On this fixed 3.3 V part it is the BYP pin, for an optional 10 nF bypass capacitor to GND that reduces output noise and improves high-frequency PSRR (ADJ on the adjustable version)."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "LDO regulated output, up to 500 mA, requiring a 2.2 µF ceramic capacitor to ground (4.7 µF for better transient response), with a 250 Ω internal discharge switch."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.1956,
        "at": "2026-10-18T07:50:21"
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        "sha256": "f64d0b369b0b06e6",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TSOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
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        {
          "name": "Enable and output voltage",
          "symbol": "VEN, VOUT",
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        {
          "name": "Lead temperature (soldering)",
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          "min": null,
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        {
          "name": "ESD rating (Human Body Model)",
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          "name": "Enable input voltage",
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          "name": "Junction temperature range",
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        {
          "name": "Package thermal resistance, junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "C/W",
          "min": null,
          "typ": 235,
          "max": null,
          "conditions": "SOT23-5 package",
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        {
          "name": "Output voltage accuracy (initial)",
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          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Initial accuracy for VOUT ≥ 2.0 V (Note 6)",
          "source_page": 3,
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        },
        {
          "name": "Output voltage accuracy (second row)",
          "symbol": "VOUT-ACC",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 3,
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        {
          "name": "Line regulation",
          "symbol": "VR-LINE",
          "kind": "electrical",
          "unit": "%/V",
          "min": -0.2,
          "typ": 0.1,
          "max": 0.2,
          "conditions": "VIN = VOUT + 1.0 V to 5.5 V",
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        {
          "name": "Line regulation (second row)",
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          "min": -0.4,
          "typ": null,
          "max": 0.4,
          "conditions": "",
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        },
        {
          "name": "Load regulation",
          "symbol": "VR-LOAD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 1,
          "max": 1.5,
          "conditions": "IOUT = 100 µA to 500 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 300,
          "max": 400,
          "conditions": "IOUT = 500 mA",
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        {
          "name": "Dropout voltage (second row)",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
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          "max": 500,
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        {
          "name": "Ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 55,
          "max": 75,
          "conditions": "IOUT = 0 A",
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          "name": "Ground current (second row)",
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          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "max": 90,
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        {
          "name": "Shutdown ground current",
          "symbol": "IGND-SD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEN < 0.4 V",
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        {
          "name": "Shutdown ground current (second row)",
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          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "max": 2,
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        {
          "name": "Logic high level",
          "symbol": "VHI",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": null,
          "conditions": "VIN = 2.3 to 5.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Logic high level (junction range)",
          "symbol": "VHI",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": null,
          "conditions": "VIN = 2.3 to 5.5 V, 0°C to +125°C junction temperature",
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        {
          "name": "Logic low level",
          "symbol": "VLO",
          "kind": "electrical",
          "unit": "V",
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          "max": 0.4,
          "conditions": "VIN = 2.3 to 5.5 V",
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        {
          "name": "Enable input current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.15,
          "max": 1,
          "conditions": "VEN = 0.4 V",
          "source_page": 3,
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        },
        {
          "name": "Enable input current (enabled)",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1.5,
          "max": 4,
          "conditions": "VEN = VIN",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Adjustable input voltage",
          "symbol": "VADJ",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": 1.24,
          "max": 1.27,
          "conditions": "IOUT = 100 µA",
          "source_page": 3,
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        },
        {
          "name": "COUT equivalent series resistance",
          "symbol": "ESR",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 5,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 64,
          "max": null,
          "conditions": "f = 1 kHz, CBYP = 10 nF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio (20 kHz)",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 54,
          "max": null,
          "conditions": "f = 20 kHz, CBYP = 10 nF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output short circuit current limit",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "VOUT = 0 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Turn-on time",
          "symbol": "TON",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "CBYP = 10 nF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "µVrms",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "BW = 10 Hz to 100 kHz (Note 5)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Shutdown switch resistance",
          "symbol": "ROUT-SH",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "",
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        {
          "name": "Enable pull-down resistor",
          "symbol": "REN",
          "kind": "electrical",
          "unit": "MΩ",
          "min": null,
          "typ": 2.5,
          "max": null,
          "conditions": "",
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        {
          "name": "Undervoltage lockout threshold",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.15,
          "max": null,
          "conditions": "",
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          "name": "Thermal shutdown",
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          "kind": "electrical",
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          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
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          "name": "Thermal hysteresis",
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          "kind": "electrical",
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          "min": null,
          "typ": 10,
          "max": null,
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          "name": "Output voltage temperature coefficient",
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          "kind": "temperature_coefficient",
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          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "",
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        {
          "name": "Ground current at full load",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 85,
          "max": null,
          "conditions": "IOUT = 500 mA",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
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