main
Ray Set visibility: public e5c9031 24d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lp5907qmfx-4-5q1",
  "title": "LP5907QMFX-4.5Q1",
  "brief": "TI(德州仪器) 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": [
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  "component": {
    "mpn": "LP5907QMFX-4.5Q1",
    "manufacturer": "TI(德州仪器)",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lp5907-q1",
    "parts": {
      "symbol": "lp5907qmfx-4-5q1.kicad_sym",
      "footprint": "lp5907qmfx-4-5q1.kicad_mod",
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      "lbr": "lp5907qmfx-4-5q1.lbr"
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    "distributor_links": {
      "lcsc": "C440386"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:18:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage supply; connect a 1-µF capacitor at this input, with VIN specified from 2.2 V to 5.5 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input: a voltage below VIL turns the regulator off and discharges OUT to GND through an internal 230-Ω pulldown, a voltage above VIH enables the output, and an internal 1-MΩ pulldown holds the regulator off by default; VEN is specified from 0 V to 5.5 V."
      },
      {
        "number": "4",
        "name": "N/C",
        "type": "unconnected",
        "description": "No internal electrical connection."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage; connect a minimum 1-µF low-ESR capacitor to this pin, and an internal 230-Ω (typical) pulldown prevents charge remaining on VOUT in shutdown mode (VEN low)."
      }
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      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-haiku-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pinout is taken from the DBV (SOT-23-5) column of the Pin Functions table on page 3. The table's; The Pin Functions table text is only partly legible in the extracted text. The descriptions above ar; Pin types are mapped to KiCad classes: IN and OUT are shown as power_in and power_out (the datasheet"
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        "cost_usd": 0.0636,
        "at": "2026-10-17T18:15:00"
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        "pages": 33,
        "sha256": "027c095aebe0b6af",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "TI(德州仪器)",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": "ground pin using as wide and short copper traces as are practical.",
        "page": 18,
        "doc": "ds.pdf",
        "material": "copper"
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      "version": 1,
      "datasheet_sha256": "027c095aebe0b6afeff513d033b0da56d3696c86ce8c70ab8ed6f96fc65c4fe5"
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    "characteristics": {
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          "name": "Input voltage (absolute maximum)",
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          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (absolute maximum)",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max printed as 'See (3)': VIN + 0.3 V or 6 V, whichever is less",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable input voltage (absolute maximum)",
          "symbol": "VEN",
          "kind": "absolute_maximum",
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          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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        },
        {
          "name": "Junction temperature (absolute maximum)",
          "symbol": "TJMAX",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
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        {
          "name": "Storage temperature",
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          "name": "Human-body model ESD (all pins)",
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          "typ": null,
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          "conditions": "HBM, per AEC Q100-002",
          "source_page": 4,
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        {
          "name": "Charged-device model ESD (corner pins 1,3,4,5)",
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        {
          "name": "Input supply voltage (recommended)",
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          "typ": null,
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        {
          "name": "Enable input voltage (recommended)",
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        {
          "name": "Output current (recommended)",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Operating junction temperature (recommended)",
          "symbol": "TJ-MAX-OP",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
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        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 186.9,
          "max": null,
          "conditions": "DBV (SOT-23) 5-pin package",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 112.3,
          "max": null,
          "conditions": "DBV (SOT-23) 5-pin package",
          "source_page": 4,
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        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 52.3,
          "max": null,
          "conditions": "DBV (SOT-23) 5-pin package",
          "source_page": 4,
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        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 27.5,
          "max": null,
          "conditions": "DBV (SOT-23) 5-pin package",
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        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 51.8,
          "max": null,
          "conditions": "DBV (SOT-23) 5-pin package",
          "source_page": 4,
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        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 5.5,
          "conditions": "TA = 25°C",
          "source_page": 5,
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        {
          "name": "Output voltage tolerance",
          "symbol": "ΔVOUT",
          "kind": "tolerance",
          "unit": "%VOUT",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VIN = (VOUT(NOM) + 1 V) to 5.5 V, IOUT = 1 mA to 250 mA, VOUT ≥ 1.8 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output load current",
          "symbol": "ILOAD",
          "kind": "electrical",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 250,
          "conditions": "",
          "source_page": 5,
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          "name": "Quiescent current",
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          "name": "Quiescent current",
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          "min": null,
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          "max": 425,
          "conditions": "VEN = 1.2 V, IOUT = 250 mA",
          "source_page": 5,
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        {
          "name": "Quiescent current (disabled)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.2,
          "max": 1,
          "conditions": "VEN = 0.3 V (Disabled)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Short-circuit current limit",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 250,
          "max": 500,
          "conditions": "TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output automatic discharge pulldown resistance",
          "symbol": "RAD",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 230,
          "max": null,
          "conditions": "VEN < VIL (output disabled)",
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        },
        {
          "name": "Turn-on time",
          "symbol": "tON",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 80,
          "max": 150,
          "conditions": "From VEN > VIH to VOUT = 95% of VOUT(NOM), TA = 25°C",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
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