LW5229A23E

{
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  "type": "component",
  "slug": "lw5229a23e",
  "title": "LW5229A23E",
  "brief": "Lewa Micro Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lw5229a23e",
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  "component": {
    "mpn": "LW5229A23E",
    "manufacturer": "Lewa Micro",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8775070455247970304",
    "parts": {
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      "lbr": "lw5229a23e.lbr"
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    "distributor_links": {
      "lcsc": "C20630435"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:57:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input pin of the LDO, operating supply range 1.5 V to 6.0 V (absolute maximum 7.0 V); place the recommended or larger ceramic input capacitor from IN to ground as close to the device as possible."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the recommended layout uses separate VIN and VOUT ground planes that connect only at this GND pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: drive above VENH (1.5 V min) to turn the regulator on and below VENL (0.5 V max) to put it into shutdown, with a recommended EN voltage range of 0 to 6.0 V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet says to ground this pin for better thermal performance."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output at 2.9 V for this part; use a low-ESR ceramic capacitor of at least 1 µF (nominal recommended value or larger) from OUT to GND, and an internal pulldown discharges OUT in shutdown (VEN < VEN(LOW))."
      }
    ],
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table header merges the SOT23 and SOT23-3L columns and then lists SOT23-5L and DFN1x1-4L sep; The datasheet's pin table has a thermal pad row, but it applies to the DFN1x1-4L package only. SOT-2; Page 16 lists LW5229A23E as 2.9V on SOT-23-5L, so the output-voltage description for pin 5 is specif"
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        "at": "2026-10-19T06:54:47"
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        "sha256": "554585e66fced619",
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        "described": 5,
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  "metadata": {
    "specs": {
      "Manufacturer": "Lewa Micro",
      "Package": "SOT-23-5L",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
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    "characteristics": {
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          "name": "Output Accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "IOUT= 1mA",
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        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVOUT/(ΔVIN*VOUT(NOM))",
          "kind": "electrical",
          "unit": "%/V",
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          "conditions": "VIN= VOUT +1V to 6V, IOUT=1mA",
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        {
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          "conditions": "1mA≤IOUT≤500mA",
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        {
          "name": "Quiescent Current",
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          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 40,
          "max": 60,
          "conditions": "VIN= VEN=VOUT+1V, No Load",
          "source_page": 5,
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        },
        {
          "name": "EN High Voltage",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
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          "name": "Input Voltage",
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        {
          "name": "Current Limit",
          "symbol": "ILIM",
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          "unit": "mA",
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        {
          "name": "Shutdown Current",
          "symbol": "ISHD",
          "kind": "electrical",
          "unit": "μA",
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          "max": 0.1,
          "conditions": "VIN=6.0, VEN=0V",
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        {
          "name": "Short Current",
          "symbol": "ISHORT",
          "kind": "electrical",
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          "min": null,
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          "max": 80,
          "conditions": "VOUT=0V",
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        },
        {
          "name": "Startup Time",
          "symbol": "TSTR",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "From VEN 'L'→'H' to 95%*VOUT, COUT=1uF, No Load",
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        },
        {
          "name": "Power Supply Rejection Ratio at 217Hz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 85,
          "max": null,
          "conditions": "VIN= 4.3V, VOUT=3.3V, CIN=None, VPP=0.5V, IOUT=10mA, f=217Hz",
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          "name": "Power Supply Rejection Ratio at 1kHz",
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        {
          "name": "Power Supply Rejection Ratio at 10kHz",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "VIN= 4.3V, VOUT=3.3V, CIN=None, VPP=0.5V, IOUT=10mA, f=10KHz",
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          "name": "Power Supply Rejection Ratio at 100kHz",
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        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "℃",
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          "conditions": "Temperature rising",
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        {
          "name": "TSD Hysteresis",
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        {
          "name": "Output Discharge Resistance",
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          "max": null,
          "conditions": "VIN=6V, VEN=0V",
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          "name": "VIN Supply Voltage (absolute maximum)",
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          "name": "EN Pin Voltage (absolute maximum)",
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          "name": "VOUT Pin Voltage (absolute maximum)",
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        {
          "name": "ESD Susceptibility, HBM",
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          "unit": "V",
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          "conditions": "Per ANSI/ESDA/JEDEC JS-001",
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        {
          "name": "Junction-to-ambient Thermal Resistance SOT23-5L",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 285,
          "max": null,
          "conditions": "Device mounted on FR-4 PCB, per JESD51-3",
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        {
          "name": "Junction Temperature Range",
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          "unit": "℃",
          "min": -40,
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        {
          "name": "Storage Temperature Range",
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        {
          "name": "Lead Temperature (Soldering)",
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          "unit": "℃",
          "min": null,
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          "name": "EN Pin Voltage (recommended)",
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        {
          "name": "VOUT Pin Voltage (recommended)",
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          "name": "Output Current (recommended)",
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          "unit": "mA",
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