ZLDO1117QG18TA

{
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  "type": "component",
  "slug": "zldo1117qg18ta",
  "title": "ZLDO1117QG18TA",
  "brief": "Diodes Incorporated Linear Voltage Regulators (LDO), SOT-223-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "ZLDO1117QG18TA",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-223-4",
    "pin_count": 4,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.diodes.com/assets/Datasheets/ZLDO1117QG18TA.pdf",
    "parts": {
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      "lbr": "zldo1117qg18ta.lbr"
    },
    "distributor_links": {
      "lcsc": "C460464",
      "digikey": "31-ZLDO1117QG18TATR-ND",
      "mouser": "621-ZLDO1117QG18TA"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:34:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-ZLDO1117QG18TATR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "621-ZLDO1117QG18TA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ/GND",
        "type": "power_in",
        "description": "A resistor divider from this pin to VOUT and ground sets the output voltage, and for the fixed-mode ZLDO1117QG18TA this pin is ground only."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "The output of the regulator requires a minimum of 4.7µF capacitor with 0.05Ω ≤ ESR ≤ 0.5Ω connected from this pin to ground to ensure stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "The input pin must always be 1.3V higher than VOUT for the device to regulate properly, with a large storage capacitor (0.05Ω ≤ ESR ≤ 0.5Ω) connected to ground."
      },
      {
        "number": "4",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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's SOT223 pin assignment shows only pins 1 to 3 plus a tab that is stated as 'Tab is Vo"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0201,
        "at": "2026-10-27T01:34:04"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/ZLDO1117QG18TA.pdf",
        "pages": 14,
        "sha256": "52a05840bdb17cd6",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "zldo1117qg18ta.step",
        "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": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "zmin_mm": 0,
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        "sha256": "8ceaf4f8a79550dffb865c3c52b2d1fb84737d6f7a14d2faad45a4d8ab17ed7c",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-223-4",
      "Category": "Power Management ICs",
      "Pins": "4"
    },
    "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"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "ZLDO1117QG18TA (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
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