LHR3025AFMA

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  "slug": "lhr3025afma",
  "title": "LHR3025AFMA",
  "brief": "Legendsemi(领慧立芯) Voltage Reference, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "power management (pmic)",
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  "component": {
    "mpn": "LHR3025AFMA",
    "manufacturer": "Legendsemi(领慧立芯)",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8608766048393457664",
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    "distributor_links": {
      "lcsc": "C18716427"
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    "distributor_check": {
      "checked_at": "2026-10-19T06:02:38Z",
      "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": "DNC",
        "type": "unconnected",
        "description": "Do not connect; the datasheet states this pin must be left unconnected (DNC = DO NOT CONNECT)."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input, which must be at least VOUT + 0.2 V and at most 18 V (absolute maximum input is -0.2 V to 18 V), with a 2.7 V minimum required when VOUT is 2.5 V or lower, so the LHR3025 needs at least 2.7 V."
      },
      {
        "number": "3",
        "name": "TEMP",
        "type": "output",
        "description": "Temperature monitor output that gives a temperature-dependent voltage (VTEMP = 640 mV + 2.08 mV/°C × T, about 692 mV at 25 °C, with roughly ±15 °C accuracy); it has high output impedance, so a low-impedance load must be buffered to avoid measurement error."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device, which must be decoupled to VIN and connected to the output capacitor return."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the pin is not connected inside the device."
      },
      {
        "number": "6",
        "name": "VOUT",
        "type": "output",
        "description": "Voltage reference output, which for the LHR3025 is 2.5 V with 0.05% (high grade) or 0.1% (standard grade) initial accuracy, supports ±10 mA source and sink current, and requires a 1 µF to 50 µF output capacitor from VOUT to GND."
      },
      {
        "number": "7",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; the datasheet states this pin must be left unconnected (DNC = DO NOT CONNECT)."
      },
      {
        "number": "8",
        "name": "DNC",
        "type": "unconnected",
        "description": "Do not connect; the datasheet states this pin must be left unconnected (DNC = DO NOT CONNECT)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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          "extractor flagged: The pin table on page 4 covers the 8-pin SOP8L and MSOP8L packages with one shared top-view figure, ; The LHR3025AFMA ordering code (page 14) is listed as MSOP 8 package, so the MSOP-8 variant applies. ; Pin 2 (VIN) minimum: the datasheet gives VIN minimum as VOUT + 0.2 V in the operating conditions, an"
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        "at": "2026-10-19T06:02:21"
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  "metadata": {
    "specs": {
      "Manufacturer": "Legendsemi(领慧立芯)",
      "Package": "MSOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
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          "name": "Supply voltage Vs",
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          "name": "Quiescent current",
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          "name": "Specified temperature range",
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          "name": "Output short to ground current",
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          "name": "Storage temperature",
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          "name": "Load regulation over temperature",
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          "name": "Short-circuit current",
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          "name": "Thermal hysteresis, high grade MSOP-8",
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          "name": "Thermal hysteresis, high grade MSOP-8",
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          "name": "Long-term stability, MSOP-8",
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          "name": "TEMP pin output voltage",
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          "name": "TEMP pin temperature sensitivity",
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          "name": "Thermal resistance, junction-to-ambient (MSOP)",
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          "name": "Thermal resistance, junction-to-case (top) (MSOP)",
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          "name": "Junction-to-top characterization parameter (MSOP)",
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