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Ray Set visibility: public a763800 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "cj79l15",
  "title": "CJ79L15",
  "brief": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "manufacturer": "Changjing",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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      "lbr": "cj79l15.lbr"
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    "distributor_links": {
      "lcsc": "C24226"
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    "distributor_check": {
      "checked_at": "2026-10-17T20:46:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference pin for the negative regulator; the datasheet gives no separate limit for this pin."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Negative unregulated input, with an absolute maximum input voltage Vi of -35 V and an input capacitor Ci of 0.33 µF recommended in the typical application."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated negative output of -15 V (typ.) with a maximum output current of 100 mA; a 0.1 µF output capacitor Co is recommended close to the regulator for stability and transient response."
      }
    ],
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet lists GND only as a pin name in the pin list and typical application; it gives no elec"
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        "cost_usd": 0.0211,
        "at": "2026-10-17T20:44:47"
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        "pages": 3,
        "sha256": "a0d741f6e9836e8e",
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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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        "role": "plain",
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        "seat": "z = 0",
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        "zmin_mm": 0,
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        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
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      "datasheet_sha256": "a0d741f6e9836e8eb4d4b006b19586061d41680fc256be5c506c77836b5102c7",
      "rows": [
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          "name": "Output voltage",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "V",
          "min": -14.4,
          "typ": -15,
          "max": -15.6,
          "conditions": "25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "Vo",
          "kind": "electrical",
          "unit": "V",
          "min": -14.25,
          "typ": -15,
          "max": -15.75,
          "conditions": "-17.5V≤Vi≤-30V, Io=1mA~40mA",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
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          "symbol": "ΔVo",
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          "conditions": "Io=1mA~40mA, Vi=-23V, 25℃",
          "source_page": 1,
          "source": "datasheet"
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        {
          "name": "Line regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 65,
          "max": 300,
          "conditions": "-17.5V≤Vi≤-30V, Io=40mA, 25℃",
          "source_page": 1,
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        {
          "name": "Line regulation",
          "symbol": "ΔVo",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 50,
          "max": 250,
          "conditions": "-20V≤Vi≤-30V, Io=40mA, 25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 34,
          "typ": 39,
          "max": null,
          "conditions": "-18.5V≤Vi≤-28.5V, f=120Hz, 0-125℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "Vi",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -35,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous total dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": 0,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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      ]
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "CJ79L15 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}