XT1861B332SR-G

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  "title": "XT1861B332SR-G",
  "brief": "NATLINEAR DC-DC Converters, SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "XT1861B332SR-G",
    "manufacturer": "NATLINEAR",
    "package": "SOT-23-5L",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589794677810356224",
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    "distributor_links": {
      "lcsc": "C3007998"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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        "pn": null,
        "status": "no match"
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    "pins": [
      {
        "number": "1",
        "name": "CE",
        "type": "input",
        "description": "Chip enable pin (使能端) that turns the PFM boost converter on and off; the datasheet gives no logic thresholds in text, only a CE high-voltage vs. temperature curve."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Boost converter output; the absolute maximum voltage on VOUT and VLX is 6.5 V."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection (悬空), leave unconnected."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin (接地端) for the converter."
      },
      {
        "number": "5",
        "name": "LX",
        "type": "output",
        "description": "Switching node (开关) of the boost converter; the absolute maximum LX current is 1000 mA and the voltage limit is 6.5 V."
      }
    ],
    "provenance": {
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        "at": "2026-10-13T12:15:19"
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      "pins": {
        "total": 5,
        "described": 5,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "NATLINEAR",
      "Package": "SOT-23-5L",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
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      "rows": [
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          "name": "输出电压精度 (output voltage accuracy)",
          "symbol": "ΔVOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "",
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        },
        {
          "name": "最大输入电压 (maximum input voltage)",
          "symbol": "VINMAX",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.9,
          "typ": null,
          "max": 6.5,
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        },
        {
          "name": "启动电压 (start voltage)",
          "symbol": "VSTART",
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          "unit": "V",
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          "conditions": "ILOAD=1mA,VIN:0→2V",
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        {
          "name": "保持电压 (hold voltage)",
          "symbol": "VHOLD",
          "kind": "electrical",
          "unit": "V",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "ILOAD=1mA,VIN:2→0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "振荡信号占空比 (oscillation signal duty cycle)",
          "symbol": "DCOSC",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 78,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "效率 (efficiency)",
          "symbol": "η",
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          "unit": "%",
          "min": null,
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          "max": 94,
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          "source_page": 4,
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        },
        {
          "name": "限流 (current limit)",
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          "typ": 800,
          "max": 1000,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "LX端最大电流 (LX maximum current)",
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          "min": null,
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        },
        {
          "name": "最大功耗 SOT23-5L 封装 (max power dissipation, SOT23-5L)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": 350,
          "max": null,
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          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "工作温度范围 (operating temperature range)",
          "symbol": "Tmin-max",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "存储温度范围 (storage temperature range)",
          "symbol": "Tstorage",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 165,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "人体静电耐压 (ESD human body model)",
          "symbol": "VESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": 4000,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "供给 VOUT 和 VLX 端的最大电压 (maximum voltage on VOUT and VLX)",
          "symbol": "Vmax",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": 6.5,
          "max": null,
          "conditions": "VOUT and VLX pins",
          "source_page": 4,
          "source": "datasheet"
        }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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