main
Ray Set visibility: public 97cc36f 10d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "zldo1117qktc",
  "title": "ZLDO1117QKTC",
  "brief": "Diodes Incorporated Linear Voltage Regulators (LDO), TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management ics",
    "zldo1117qktc",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ZLDO1117QKTC",
    "manufacturer": "Diodes Incorporated",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.diodes.com/assets/Datasheets/ZLDO1117QKTC.pdf",
    "parts": {
      "symbol": "zldo1117qktc.kicad_sym",
      "footprint": "zldo1117qktc.kicad_mod",
      "model_3d": "zldo1117qktc-hero.glb",
      "model_3d_plain": "zldo1117qktc-etched.glb",
      "model_3d_step": "zldo1117qktc-etched.step",
      "model_3d_step_plain": "zldo1117qktc.step",
      "lbr": "zldo1117qktc.lbr"
    },
    "distributor_links": {
      "lcsc": "C526779",
      "digikey": "31-ZLDO1117QKTCTR-ND",
      "mouser": "621-ZLDO1117QKTC"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T23:34:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-ZLDO1117QKTCTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-ZLDO1117QKTC",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ/GND",
        "type": "power_in",
        "description": "A resistor divider from this pin to the VOUT pin and ground sets the output voltage, and the pin is ground only for fixed-mode versions."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "The regulator output requires a minimum 4.7µF capacitor with 0.05Ω ≤ ESR ≤ 0.5Ω connected from this pin to ground for stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "The input pin must always be at least 1.3V higher than VOUT for correct regulation, with an input supply voltage rating of -0.03 to +18 V relative to ground."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "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: Pin numbers are taken from the Pin Descriptions table on page 2 and match the ordering code ZLDO1117; The datasheet lists pin types as I (ADJ/GND), O (VOUT) and I (VIN). These were mapped to KiCad power; The TO252 (DPAK) tab is internally connected to VOUT (page 1, 'Tab is Vout'). It is not given a numb"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0686,
        "at": "2026-10-28T23:34:16"
      },
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        "pages": 14,
        "sha256": "52a05840bdb17cd6",
        "source_tier": "mfr"
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      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "role": "eda",
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        "sha256": "ad334460163fb981afa0195bbe91156f0e02c757ad92b5e9d428b45801afbb1b",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "K (TO252 / DPAK)",
      "source_page": 12,
      "D": {
        "nom_mm": 6.58,
        "range_mm": [
          6.45,
          6.7
        ]
      },
      "E1": {
        "nom_mm": 6.1,
        "range_mm": [
          6,
          6.2
        ]
      },
      "E": {
        "nom_mm": 9.91,
        "range_mm": [
          9.4,
          10.41
        ]
      },
      "e": {
        "nom_mm": 2.286,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 2.29,
        "range_mm": [
          2.19,
          2.39
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "zldo1117qktc.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "TO-252",
      "Category": "Power Management ICs",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "• Terminals: Finish: Matte Tin Plated Leads, Solderable per M2003 JESD22-B102 • Weight:",
        "page": 13,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "52a05840bdb17cd6f4d40225a47c0941229f194bc476ea334403ed6286367264"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "52a05840bdb17cd6f4d40225a47c0941229f194bc476ea334403ed6286367264",
      "rows": [
        {
          "name": "Input Voltage (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 18,
          "conditions": "Note 5: VIN must be 1.5V greater than output voltage for correct operation",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IO",
          "kind": "recommended_operating",
          "unit": "A",
          "min": 0.01,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Notes 6, 7",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "Notes 7, 8",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Voltage (Relative to Ground)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.03,
          "typ": null,
          "max": 18,
          "conditions": "Relative to ground",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TST",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Human Body Model",
          "symbol": "HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4000,
          "conditions": "Human Body Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Machine Model",
          "symbol": "MM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Machine Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD Charged Device Model",
          "symbol": "CDM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "Charged Device Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage (ADJ)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.238,
          "typ": 1.25,
          "max": 1.263,
          "conditions": "ZLDO1117Q-ADJ; (VIN - VOUT) = 2V, IO = 10mA, TJ +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage (ADJ), FT",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.225,
          "typ": null,
          "max": 1.275,
          "conditions": "ZLDO1117Q-ADJ; VOUT + 1.4V < VIN < 10V, 10mA < IO < 1A, FT (-40°C to +125°C)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation (ADJ)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "ZLDO1117Q-ADJ; IO = 10mA, VOUT + 1.5V < VIN < 12V, TJ +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation (ADJ), FT",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "ZLDO1117Q-ADJ; IO = 10mA, VOUT + 1.5V < VIN < 12V, FT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (ADJ)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "ZLDO1117Q-ADJ; VIN = 3.3V, VADJ = 0, 10mA < IO < 1A, TJ +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (ADJ), FT",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "ZLDO1117Q-ADJ; VIN = 3.3V, VADJ = 0, 10mA < IO < 1A, FT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.11,
          "max": 1.2,
          "conditions": "ZLDO1117Q-ADJ; IO = 1A, ΔVOUT = 1%VOUT, TJ +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 1.1,
          "typ": null,
          "max": null,
          "conditions": "ZLDO1117Q-ADJ; (VIN - VOUT) = 5V, FT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum Load Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "ZLDO1117Q-ADJ; VIN < 18V, FT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 35,
          "max": 120,
          "conditions": "ZLDO1117Q-ADJ; VIN = 7V, FT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Regulation",
          "symbol": "",
          "kind": "thermal",
          "unit": "%/W",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "30ms pulse, TJ +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Ambient Thermal Resistance (TO252 DPAK)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 73,
          "max": null,
          "conditions": "Note 10: TA = +27°C, no air flow, 2in x 2in polyimide PCB, 1oz copper, 2cm x 2cm pad",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Case Thermal Resistance (TO252 DPAK)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "ZLDO1117QKTC (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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