TPS73733DCQR

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  "title": "TPS73733DCQR",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "TPS73733DCQR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-223-6",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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      "lcsc": "C31334"
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    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Regulator input supply. Accepts 2.2V to 5.5V (absolute max 6.0V). Bypass to GND with a low-ESR ceramic capacitor close to the pin."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 3.3V output, up to 1A. Requires a 1.0µF or larger ceramic output capacitor for stability. Dropout is ~130mV typ at 1A."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. Tab (pin 6) is also GND and should be tied to this net through the PCB copper for thermal dissipation."
      },
      {
        "number": "4",
        "name": "NR/FB",
        "type": "input",
        "description": "On fixed-output versions (TPS73733) this pin is the noise-reduction (NR) node - an optional bypass capacitor to GND lowers output noise. On the adjustable TPS73701 the same pin becomes the feedback (FB) input from an external R1/R2 divider (V_FB internal reference ≈ 1.198-1.210V)."
      },
      {
        "number": "5",
        "name": "EN",
        "type": "input",
        "description": "Enable input, active high. V_EN(HI) ≥ 1.7V enables the regulator; V_EN(LO) ≤ 0.5V forces shutdown (I_SHDN ≈ 20nA typ). Do not float. Absolute max −0.3V to +6.0V."
      },
      {
        "number": "6",
        "name": "GND (TAB)",
        "type": "power_in",
        "description": "SOT-223 metal tab, internally tied to GND. Solder to a copper ground pour for thermal dissipation; must be electrically bonded to GND."
      }
    ],
    "provenance": {
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        "pages": 32,
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        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
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    "pin1": {
      "pad": "1",
      "at": [
        -3.1375,
        -2.54
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-223-6@sha256:11dc0fc442f7ce8a",
      "mark": "drawn"
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8.475,
          6.7,
          1.6
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "checked": "2026-10-07",
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-223-6",
      "Category": "PMIC",
      "Pins": "6"
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          "conditions": "TJ = +25°C",
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        {
          "name": "Overall output accuracy over line, load and temperature",
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          "min": -3,
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          "conditions": "Over VIN, IOUT and temperature; VOUT + 0.5V ≤ VIN ≤ 5.5V; 10mA ≤ IOUT ≤ 1A",
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        {
          "name": "Input voltage range",
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          "max": 500,
          "conditions": "IOUT = 1A (VIN = VOUT(nom) – 0.1V)",
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        {
          "name": "Output current limit",
          "symbol": "ICL",
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          "unit": "A",
          "min": 1.05,
          "typ": 1.6,
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          "conditions": "VOUT = 0.9 × VOUT(nom)",
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        {
          "name": "EN pin high (enabled) voltage",
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        {
          "name": "EN pin low (shutdown) voltage",
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          "name": "Input voltage range (absolute maximum)",
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        {
          "name": "NR/FB voltage range (absolute maximum)",
          "symbol": "VNR, VFB",
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          "name": "Junction temperature range (absolute maximum)",
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          "unit": "°C",
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        {
          "name": "Storage temperature range",
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          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
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        {
          "name": "ESD rating, HBM",
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          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human body model",
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          "name": "ESD rating, CDM",
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          "name": "Junction-to-ambient thermal resistance",
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          "typ": 53.1,
          "max": null,
          "conditions": "DCQ (SOT-223, 6 pins) package",
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          "name": "Junction-to-case (top) thermal resistance",
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          "name": "Junction-to-board thermal resistance",
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          "conditions": "DCQ (SOT-223, 6 pins) package",
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        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
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          "conditions": "DCQ (SOT-223, 6 pins) package",
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          "name": "Junction-to-board characterization parameter",
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      "mpn": "TPS73733DCQR",
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    {
      "mpn": "TPS73733DCQRDRB",
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    {
      "mpn": "TPS73733DCQRDRBT",
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    {
      "mpn": "TPS73733DCQRDRBR",
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    {
      "mpn": "TPS73733DCQRDRV",
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    {
      "mpn": "TPS73733DCQRDRVT",
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      "mpn": "TPS73733DCQRDRVR",
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  "updated_at": "2026-09-25T12:34:13.072Z"
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