main
Ray Set visibility: public 9ecf5b5 9d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ams1117-1-2-sot-89",
  "title": "AMS1117-1.2 SOT-89",
  "brief": "Slkor SLKORMICRO Elec Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. 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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    "ams1117-1.2 sot-89",
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  "component": {
    "mpn": "AMS1117-1.2 SOT-89",
    "manufacturer": "Slkor SLKORMICRO Elec",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588902996415549440",
    "parts": {
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      "footprint": "ams1117-1-2-sot-89.kicad_mod",
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      "model_3d_plain": "ams1117-1-2-sot-89-etched.glb",
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      "lbr": "ams1117-1-2-sot-89.lbr"
    },
    "distributor_links": {
      "lcsc": "C2690335"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:22:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin (labelled ADJ/GND; on the fixed 1.2V version it is ground, with the ground pin connectable to the low side of the load)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 1.2V output (1.176V to 1.224V) delivering up to 0.8A, requires an output capacitor of at least 10uF tantalum with ESR not exceeding 0.5 ohm."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, maximum input voltage 18V, with a 10uF tantalum input bypass capacitor recommended."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 1 is labelled ADJ/GND in the datasheet (ADJ on the adjustable version, GND on fixed versions). I; The SOT89 drawing shows a tab but gives no label for it. The text says the case is electrically conn",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2645,
        "at": "2026-10-19T07:20:07"
      },
      "datasheet": {
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        "pages": 9,
        "sha256": "cbfce94940091e66",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "e71b0c1dc196b5bbd7ac39caac8a0a02379433ee25d17f9d0588a7bd062746e1",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Slkor SLKORMICRO Elec",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "cbfce94940091e6663c002639f3927060b98eff4ebd81b27bd8090f25340be1c",
      "rows": [
        {
          "name": "Output voltage (AMS1117-1.2)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 1.176,
          "typ": 1.2,
          "max": 1.224,
          "conditions": "10mA≤IOUT≤0.8A, VIN=Vout+2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.15,
          "max": 0.3,
          "conditions": "(VOUT+ 1.5V)≤VIN≤12V, IOUT= 10mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": 0.5,
          "conditions": "(VIN-VOUT) = 2V, 10mA≤ IOUT≤0.8A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": 1.4,
          "conditions": "VREF= 1%,IOUT=0.8A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum load current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "1.5V≤(VIN-VOUT)≤12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "VIN= VOUT+1.25V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Long-term stability",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.3,
          "max": 1,
          "conditions": "TA= 125℃, 1000hrs.",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/W",
          "min": null,
          "typ": 0.008,
          "max": 0.04,
          "conditions": "TA= 25℃, 30ms pulse",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ripple rejection",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 70,
          "max": null,
          "conditions": "f = 120Hz, Cout= 22uF Tantalum, (VIN-VOUT) = 3V, Iout=0.8A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "(VIN-VOUT)=2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Temperature stability",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "RMS output noise (% of VOUT)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.003,
          "max": null,
          "conditions": "TA= 25℃, 10Hz≤ f ≤10kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input voltage (maximum)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum power dissipation (SOT89)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "SOT89 package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient (SOT89)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 225,
          "conditions": "SOT89 package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case (SOT89)",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "SOT89",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "Junction temperature",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "AMS1117-1.2 SOT-89 (Slkor SLKORMICRO Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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