TPL903245-S5TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tpl903245-s5tr",
  "title": "TPL903245-S5TR",
  "brief": "3PEAK Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-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": [
    "component",
    "power management (pmic)",
    "tpl903245-s5tr",
    "factory-2.0.0",
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  "component": {
    "mpn": "TPL903245-S5TR",
    "manufacturer": "3PEAK",
    "package": "SOT-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/8757055082577694720",
    "parts": {
      "symbol": "tpl903245-s5tr.kicad_sym",
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      "lbr": "tpl903245-s5tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C20199594",
      "digikey": "5503-TPL903245-S5TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T02:27:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5503-TPL903245-S5TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "input",
        "description": "Input voltage pin; bypass IN to GND with a 1 μF or greater capacitor, with IN operating from 1.75 V to 5.5 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; connect the GND pin directly to the PCB ground plane."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Active-high regulator enable; drive above VIH(EN) of 1.2 V to turn the regulator on and below VIL(EN) of 0.4 V to turn it off, or connect EN directly to IN for automatic startup."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "output",
        "description": "Regulated output voltage pin; bypass OUT to GND with a 1 μF or greater capacitor."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
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          "extractor flagged: The SOT23-5 pin numbers come from the Table 1 pin functions column (SOT23-5 / DFN-4 / WLCSP-4). The ; The datasheet's Thermal Pad footnote (must be connected to PCB ground) is attached to the pin table "
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        "cost_usd": 0.0582,
        "at": "2026-10-21T02:24:23"
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        "pages": 22,
        "sha256": "5717499ceb17ed20",
        "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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    },
    "viewers": {
      "symbol": "viewers/symbol.html",
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  "metadata": {
    "specs": {
      "Manufacturer": "3PEAK",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": "capacitor connection, the IN pin, and the GND pin of the system must be as small as possible. • It is recommended to use wide and thick copper to minimize I×R drop and heat dissipation.",
        "page": 13,
        "doc": "ds.pdf",
        "material": "copper"
      },
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        {
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          "name": "Storage temperature range",
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        {
          "name": "HBM ESD protection",
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          "name": "CDM ESD protection",
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        {
          "name": "IN input voltage (recommended)",
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          "name": "ESR of COUT",
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        {
          "name": "Power dissipation",
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          "kind": "recommended_operating",
          "unit": "mW",
          "min": 0,
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          "conditions": "",
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        {
          "name": "Output voltage accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
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          "source_page": 7,
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          "name": "Input supply voltage range",
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        {
          "name": "Ground pin current",
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          "kind": "electrical",
          "unit": "µA",
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          "typ": null,
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          "conditions": "IOUT = 0 mA",
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        {
          "name": "Shutdown current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.02,
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        {
          "name": "EN logic-input high level",
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          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "Output Enable",
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        {
          "name": "EN logic-input low level",
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          "kind": "electrical",
          "unit": "V",
          "min": 0,
          "typ": null,
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          "conditions": "Output Disable",
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        {
          "name": "EN pin leakage current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": 2,
          "conditions": "VEN = 5 V",
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        },
        {
          "name": "Line regulation",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VIN = VOUT(NOM) + 1 V to 5.5 V",
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        {
          "name": "Load regulation",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VIN = VOUT(NOM) + 1 V, IOUT = 1 mA to 300 mA",
          "source_page": 7,
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        },
        {
          "name": "Dropout voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 28,
          "conditions": "VOUT = 3.3 V, IOUT = 100 mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 80,
          "max": 180,
          "conditions": "VOUT = 3.3 V, IOUT = 300 mA",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "electrical",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 300,
          "conditions": "VOUT in regulation",
          "source_page": 7,
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        {
          "name": "Output current limit",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "mA",
          "min": 500,
          "typ": null,
          "max": 800,
          "conditions": "VOUT = 0.9 × VOUT(NOM)",
          "source_page": 7,
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        },
        {
          "name": "Short-circuit current limit",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "RLOAD = 20 mΩ, TA = 25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Active output discharge resistance",
          "symbol": "RDIS",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 290,
          "conditions": "VEN < VIL(EN)",
          "source_page": 7,
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        },
        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 82.1,
          "max": null,
          "conditions": "IOUT = 20 mA, f = 100 Hz",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 81.9,
          "max": null,
          "conditions": "IOUT = 20 mA, f = 1 kHz",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 87.9,
          "max": null,
          "conditions": "IOUT = 20 mA, f = 10 kHz",
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        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 61.4,
          "max": null,
          "conditions": "IOUT = 20 mA, f = 100 kHz",
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        {
          "name": "Power supply rejection ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 44.7,
          "max": null,
          "conditions": "IOUT = 20 mA, f = 1 MHz",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "μVRMS",
          "min": null,
          "typ": 8.6,
          "max": null,
          "conditions": "IOUT = 150 mA, BW = 10 Hz to 100 kHz",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Start-up time",
          "symbol": "tSTR",
          "kind": "electrical",
          "unit": "μs",
          "min": null,
          "typ": 750,
          "max": null,
          "conditions": "VOUT reaches 95% of nominal output voltage after EN = high",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Thermal shutdown temperature",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "ºC",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "",
          "kind": "thermal",
          "unit": "ºC",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance, SOT23-5",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 280,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Junction-to-case thermal resistance, SOT23-5",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 62,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Nominal output voltage (this MPN, 4.5 V option)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "",
          "source_page": 3,
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