RT9040GQW

{
  "schema_version": 1,
  "type": "component",
  "slug": "rt9040gqw",
  "title": "RT9040GQW",
  "brief": "Richtek Tech Linear Voltage Regulators (LDO), WDFN-10(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": [
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    "power management ics",
    "rt9040gqw",
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  "component": {
    "mpn": "RT9040GQW",
    "manufacturer": "Richtek Tech",
    "package": "WDFN-10(3x3)",
    "pin_count": 11,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/296a85e12092400ba530af3909af8f30.pdf",
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    "distributor_links": {
      "lcsc": "C147978",
      "mouser": "835-RT9040GQW"
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      "source": "Component Ocean /api/assign-pns",
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    "pins": [
      {
        "number": "1",
        "name": "REFIN",
        "type": "input",
        "description": "Reference input that sets the regulated output voltage, with REFIN above 0.39V required for the regulator to be enabled."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage for the LDO, specified at 1.1V to 3.5V."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Power output of the LDO that feeds the DDR termination bus and needs at least 20µF of ceramic output capacitance."
      },
      {
        "number": "4",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground return for the LDO output stage."
      },
      {
        "number": "5",
        "name": "SENSE",
        "type": "input",
        "description": "Voltage sense input for the LDO, connected to the positive terminal of the output capacitor or the load."
      },
      {
        "number": "6",
        "name": "REFOUT",
        "type": "power_out",
        "description": "Reference output that sources or sinks up to 10mA and should be bypassed to GND with a 0.1µF ceramic capacitor."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Chip enable that is connected to SLP_S3 in DDR VTT applications and otherwise works as the ON/OFF function."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Signal ground that connects to the negative terminal of the output capacitor."
      },
      {
        "number": "9",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power good output that indicates whether the output is in regulation."
      },
      {
        "number": "10",
        "name": "VCNTL",
        "type": "power_in",
        "description": "Supply input of 2.5V, 3.3V or 5V that requires a ceramic decoupling capacitor between 1µF and 4.7µF."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad that is the signal ground and must be soldered to a large PCB ground for maximum power dissipation."
      }
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  "metadata": {
    "specs": {
      "Manufacturer": "Richtek Tech",
      "Package": "WDFN-10(3x3)",
      "Category": "Power Management ICs",
      "Pins": "11"
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          "name": "VOUT Load Regulation",
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          "name": "Ambient Temperature Range",
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          "name": "Enable Voltage EN",
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          "name": "Power Dissipation PD @ TA = 25°C",
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          "name": "Package Thermal Resistance θJA",
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          "name": "Lead Temperature (Soldering)",
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        {
          "name": "Storage Temperature Range",
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          "min": -65,
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        {
          "name": "ESD HBM",
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          "name": "ESD MM",
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        {
          "name": "VOUT Source Current Limit",
          "symbol": "ILIM_VOUT_sr",
          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": null,
          "max": 5.5,
          "conditions": "VCNTL = 5V (VOUT in PGOOD window)",
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        {
          "name": "VOUT Sink Current Limit",
          "symbol": "ILIM_VOUT_sk",
          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": null,
          "max": 5.5,
          "conditions": "VCNTL = 5V (VOUT in PGOOD window)",
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        },
        {
          "name": "VOUT Discharge Resistance",
          "symbol": "RDISCHARGE",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 18,
          "max": 25,
          "conditions": "VREFIN = 0V, VOUT = 0.3V, VEN = 0V",
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        {
          "name": "VOUT PGOOD Threshold",
          "symbol": "VTH_PGOOD",
          "kind": "electrical",
          "unit": "%",
          "min": 23.5,
          "typ": 20,
          "max": 17.5,
          "conditions": "PGOOD window lower threshold with respect to REFOUT",
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          "name": "Output Low Voltage",
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          "typ": null,
          "max": 0.4,
          "conditions": "ISINK = 4mA",
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        {
          "name": "PGOOD Leakage Current",
          "symbol": "ILEAKAGE_PGOOD",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VSENSE = VREFIN (PGOOD high impedance), PGOOD = VCNTL + 0.2 V",
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          "name": "REFIN Under Voltage Lockout",
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          "typ": 390,
          "max": 420,
          "conditions": "REFIN Rising",
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          "name": "REFOUT Voltage Tolerance to VREFIN",
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          "kind": "tolerance",
          "unit": "mV",
          "min": -15,
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          "max": 15,
          "conditions": "10mA < IREFOUT < 10mA, VREFIN = 1.25 V",
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          "name": "REFOUT Source Current Limit",
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          "min": 10,
          "typ": 40,
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          "conditions": "VREFOUT = 0V",
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          "conditions": "Enable",
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          "name": "Low-Level Input Voltage",
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          "name": "Logic Input Leakage Current",
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          "kind": "tolerance",
          "unit": "A",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Enable",
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          "source": "datasheet"
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