XC6902N251MR-G

{
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  "type": "component",
  "slug": "xc6902n251mr-g",
  "title": "XC6902N251MR-G",
  "brief": "Torex Semicon Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. 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": "XC6902N251MR-G",
    "manufacturer": "Torex Semicon",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590424266748559360",
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      "lcsc": "C3748269",
      "digikey": "XC6902N251MR-G-ND",
      "mouser": "865-XC6902N251MR-G"
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        "pn": "XC6902N251MR-G-ND",
        "status": "found",
        "lifecycle": "Active"
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    "pins": [
      {
        "number": "1",
        "name": "-VOUT",
        "type": "power_out",
        "description": "Negative regulated output; the output current must stay within IOUT ≤ Pd/(VOUT-VIN), and the absolute maximum output current is 500 mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin (0 V) for the regulator."
      },
      {
        "number": "3",
        "name": "-VIN",
        "type": "power_in",
        "description": "Negative supply input; the recommended input range is -2.4 V to -16 V, with absolute maximum rating GND - 18 V to GND + 0.3 V."
      }
    ],
    "provenance": {
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        "primary_model": "claude-haiku-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin mapping for SOT-23 was taken from the pin assignment table on page 3 (SOT-23 column: -VIN=3, -VO; MPN decoding: XC6902N251MR-G reads as type N, output voltage code 2,5,1 (0.1 V increment rule) = -2."
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        "pages_sent": 20,
        "cost_usd": 0.0128,
        "at": "2026-10-18T07:04:25"
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        "sha256": "91a915412a0c7e96",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          1.2
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Torex Semicon",
      "Package": "SOT-23",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "91a915412a0c7e9692952df5e561ce79a4e866e998aa5aba3dfa575934169093",
      "rows": [
        {
          "name": "Output Voltage accuracy (VOUT(E) tolerance, VOUT(T)<-2.0V)",
          "symbol": "VOUT(E)",
          "kind": "tolerance",
          "unit": "×VOUT(T)",
          "min": 0.985,
          "typ": null,
          "max": 1.015,
          "conditions": "IOUT=20mA, VOUT(T)<-2.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "IOUTMAX",
          "kind": "electrical",
          "unit": "mA",
          "min": 200,
          "typ": null,
          "max": null,
          "conditions": "VIN=VOUT(T)-2.0V, VOUT(T)≤-2.4V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 60,
          "conditions": "VIN=-4.0V, VOUT(T)>-3.0V, 1mA≤IOUT≤100mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (Dropout Voltage Chart 1, VOUT(T)=-2.50V)",
          "symbol": "Vdif",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 129,
          "max": 174,
          "conditions": "IOUT=20mA; VOUT(T)=-2.50V per Dropout Voltage Chart 1",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "IBIAS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "VIN=-16V, IOUT=0mA",
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        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": -16,
          "typ": null,
          "max": -2.4,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Temperature Characteristics",
          "symbol": "ΔVOUT/(ΔTopr·VOUT)",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "IOUT=20mA, -40℃≤Topr≤85℃",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection Ratio",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 45,
          "max": null,
          "conditions": "VIN={VOUT(T)-1.0}+0.5Vp-pAC, IOUT=20mA, f=1kHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Limit Current",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "mA",
          "min": 210,
          "typ": 300,
          "max": null,
          "conditions": "VIN=VOUT(T)-2.0V, VOUT(T)≤-2.4V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Current",
          "symbol": "ISHORT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VIN=VOUT(T)-2.0V, Short -VOUT to GND level",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Detect Thermal Shutdown Temperature",
          "symbol": "TTSD",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "IC junction temperature",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Release Thermal Shutdown Temperature",
          "symbol": "TTSR",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 125,
          "max": null,
          "conditions": "IC junction temperature",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis Width",
          "symbol": "THYS",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "TTSD-TTSR",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Soft Start Time",
          "symbol": "tSS",
          "kind": "electrical",
          "unit": "ms",
          "min": 0.12,
          "typ": 0.4,
          "max": 1.2,
          "conditions": "RL=3kΩ, VOUT(T)>-4.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (absolute maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -18,
          "typ": null,
          "max": 0.3,
          "conditions": "GND=0V,Ta=25℃; printed as GND - 18 ~ GND + 0.3",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current (absolute maximum)",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation, SOT-23 (IC only)",
          "symbol": "Pd",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "IC only",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation, SOT-23 (40mm x 40mm standard board)",
          "symbol": "Pd",
          "kind": "thermal",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "40mm x 40mm Standard board, PCB mounted, reference only",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitor (recommended CL)",
          "symbol": "CL",
          "kind": "recommended_operating",
          "unit": "μF",
          "min": 1,
          "typ": null,
          "max": 100,
          "conditions": "Output voltage range -0.9V ~ -12V; ceramic, low ESR phase compensation",
          "source_page": 9,
          "source": "datasheet"
        }
      ]
    }
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    "name": "Ray",
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