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Ray Set visibility: public d536c58 9h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "kia1117bf33-rtf",
  "title": "KIA1117BF33-RTF",
  "brief": "KEC Semicon Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DPAK. 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": "KIA1117BF33-RTF",
    "manufacturer": "KEC Semicon",
    "package": "DPAK",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603068118931415040",
    "parts": {
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      "lbr": "kia1117bf33-rtf.lbr"
    },
    "distributor_links": {
      "lcsc": "C5274820"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T13:09:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND(Adj)",
        "type": "power_in",
        "description": "Ground/adjust pin; in the adjustable version it sets the output through VOUT = VREF x (1 + R2/R1) + IADJ x R2, with adjust pin current typically 35 uA."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated output providing up to 1 A, with short circuit current limit of 1.1 A minimum and a minimum 10 uF capacitor (ESR 1 mOhm to 200 Ohm) required for stability."
      },
      {
        "number": "3",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated input supply with a maximum rating of 15 V, and a typical dropout voltage of 1.1 V at 1 A output current."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet lists two DPAK drawings (DPAK and DPAK(3)) and gives the ordering example 'KIA1117BF**; The pin configuration is printed for the whole KIA1117BS/BF/BPI series. Pin 1 is labelled GND(Adj); "
        ],
        "pages_sent": 7,
        "cost_usd": 0.0425,
        "at": "2026-10-18T13:07:14"
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      "datasheet": {
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        "pages": 7,
        "sha256": "63fb9a022402fdaa",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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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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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "sha256": "f082c99040b56d1fa6c68b8fc59b048e33a4199fa44083cf49a49032c42fbd78",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "KEC Semicon",
      "Package": "DPAK",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "63fb9a022402fdaa5363f5949ef8b758f87adadae55227deaa8ddcc8f777cbb4",
      "rows": [
        {
          "name": "Output Voltage (VIN=4.8V, IOUT=10mA)",
          "symbol": "VOUT1",
          "kind": "tolerance",
          "unit": "V",
          "min": 3.234,
          "typ": 3.3,
          "max": 3.366,
          "conditions": "VIN=4.8V, IOUT=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (10mA to 1A, 4.8V to 10V)",
          "symbol": "VOUT2",
          "kind": "tolerance",
          "unit": "V",
          "min": 3.201,
          "typ": 3.3,
          "max": 3.399,
          "conditions": "10mA IOUT 1A, 4.8V VIN 10V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "Reg Load",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.5,
          "max": 1,
          "conditions": "10mA IOUT 1A, VIN=VOUT+2.0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "Reg Line",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1,
          "max": 10,
          "conditions": "VOUT+1.5V VIN 10V, IOUT=10mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IB1",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "VIN=VOUT+1.25V, IOUT=0A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current Limit",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "A",
          "min": 1.1,
          "typ": null,
          "max": null,
          "conditions": "VIN=VOUT+2.0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 80,
          "max": null,
          "conditions": "IOUT=40mA, f=120Hz, Vripple=1Vp-p, VIN=VOUT+3V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.1,
          "max": 1.4,
          "conditions": "IOUT=1A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation 1",
          "symbol": "PD1",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1.3,
          "conditions": "No heatsink, DPAK (F-type) package; mounted on FR-4 PCB per note",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation 2",
          "symbol": "PD2",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 13,
          "conditions": "Infinite heatsink, DPAK (F-type) package",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "Tj(max)",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "Topr",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case",
          "symbol": "Rth(j-c)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 9.62,
          "max": null,
          "conditions": "Infinite heatsink (TC=Ta), DPAK (F-type)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 96.2,
          "max": null,
          "conditions": "No heatsink, DPAK (F-type)",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "KIA1117BF33-RTF (KEC Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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