CJ7815B-TFN-ARG

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  "slug": "cj7815b-tfn-arg",
  "title": "CJ7815B-TFN-ARG",
  "brief": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2L. 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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  "component": {
    "mpn": "CJ7815B-TFN-ARG",
    "manufacturer": "Changjing",
    "package": "TO-252-2L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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      "lcsc": "C19190328"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "no match"
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      "mouser": {
        "pn": null,
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    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input of the device; recommended input voltage range for CJ7815B is up to 32 V, with an absolute maximum input voltage of 36 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Regulator ground."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Output of the device, rated for output current up to 1 A."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN suffix '-ARG' does not appear in the orderable tables. The TO-252-2L tape-and-reel entry is ; The package is named TO-252-2L, but the pin table and Figure 6-1 list three pins (1 IN, 2 GND, 3 OUT; The datasheet gives only a maximum input voltage (32 V) for CJ7815B; no minimum is listed. The 36 V "
        ],
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        "cost_usd": 0.0329,
        "at": "2026-10-16T21:32:09"
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        "pages": 32,
        "sha256": "7973e8699223bd8f",
        "source_tier": "lcsc"
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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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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
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  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "TO-252-2L",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
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          "name": "Output voltage (TJ = 25°C, ±2% grade)",
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          "kind": "electrical",
          "unit": "V",
          "min": 14.7,
          "typ": 15,
          "max": 15.3,
          "conditions": "TJ = 25°C, ±2% grade",
          "source_page": 14,
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        },
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          "name": "Output voltage (IOUT = 5mA to 1A, over temperature)",
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          "min": 14.4,
          "typ": 15,
          "max": 15.6,
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        {
          "name": "Line regulation",
          "symbol": "ΔVRLINE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 35,
          "max": 150,
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          "source_page": 14,
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        },
        {
          "name": "Load regulation",
          "symbol": "ΔVRLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 70,
          "max": 150,
          "conditions": "VIN = 23V, IOUT = 5mA to 1A",
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        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.4,
          "max": 6,
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          "name": "Quiescent current change (load)",
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          "kind": "electrical",
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          "min": null,
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          "max": 0.8,
          "conditions": "VIN = 23V, IOUT = 5mA to 1A",
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          "typ": null,
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          "name": "Output voltage tolerance at TJ = 25°C (±2% grade)",
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          "kind": "tolerance",
          "unit": "%",
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          "name": "Output voltage tolerance over temperature range",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -4,
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          "conditions": "Over the temperature range",
          "source_page": 1,
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        },
        {
          "name": "Input voltage range (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 32,
          "conditions": "CJ7815B",
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          "name": "Operating junction temperature",
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          "max": 125,
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        {
          "name": "Maximum input voltage range",
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          "conditions": "",
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          "name": "Maximum output current",
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          "conditions": "",
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          "name": "Storage temperature",
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          "unit": "°C",
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          "max": 260,
          "conditions": "10 s",
          "source_page": 7,
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          "name": "Junction-to-ambient thermal resistance (TO-252-2L)",
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          "min": null,
          "typ": 78.9,
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          "source_page": 8,
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        {
          "name": "Junction-to-case thermal resistance (TO-252-2L)",
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          "typ": 5.8,
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        {
          "name": "Reference maximum power dissipation (TO-252-2L)",
          "symbol": "PD Ref",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": 1.25,
          "max": null,
          "conditions": "TO-252-2L; TA = 25°C; packages soldered on PCB in still air, no extra heat dissipation pads",
          "source_page": 8,
          "source": "datasheet"
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  "discovery_pitch": "CJ7815B-TFN-ARG (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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