main
Ray Set visibility: public 0c3ee59 3d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "zldo1117qg12ta",
  "title": "ZLDO1117QG12TA",
  "brief": "Diodes Incorporated Linear Voltage Regulators (LDO), SOT-223. 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 supply chip",
    "zldo1117qg12ta",
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    "extractor-text"
  ],
  "component": {
    "mpn": "ZLDO1117QG12TA",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Supply Chip",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.diodes.com/assets/Datasheets/ZLDO1117QG12TA.pdf",
    "parts": {
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      "model_3d": "zldo1117qg12ta-hero.glb",
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      "model_3d_step": "zldo1117qg12ta-etched.step",
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      "lbr": "zldo1117qg12ta.lbr"
    },
    "distributor_links": {
      "lcsc": "C672282",
      "digikey": "31-ZLDO1117QG12TATR-ND",
      "mouser": "621-ZLDO1117QG12TA"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:17:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-ZLDO1117QG12TATR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-ZLDO1117QG12TA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ/GND",
        "type": "power_in",
        "description": "Ground reference for the fixed-output 1.2V ZLDO1117Q-12 (a resistor divider from this pin to VOUT and ground sets the output only in the adjustable version)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulator output, which needs at least a 4.7µF capacitor (0.05Ω ≤ ESR ≤ 0.5Ω) to ground for stability; the tab is also connected to VOUT."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Regulator input (2.7V to 18V recommended operating range), which must always be 1.3V higher than VOUT for regulation and should have a storage capacitor (0.05Ω ≤ ESR ≤ 0.5Ω) to ground."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT223 tab is shown as VOUT in the pin assignment drawing but has no separate pin number, so it ; The datasheet lists pin 1 as ADJ/GND with function 'Ground only for Fixed-Mode'. The -12 variant is "
        ],
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        "cost_usd": 0.1264,
        "at": "2026-10-23T09:17:20"
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        "pages": 14,
        "sha256": "52a05840bdb17cd6",
        "source_tier": "mfr"
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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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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "sha256": "4f058fcbafbe6576ff6eb9cf63267d50a077f0b64b559022a5c14fa3191dd320",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-223",
      "Category": "Power Supply Chip",
      "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": "Output Voltage",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 1.188,
          "typ": 1.2,
          "max": 1.212,
          "conditions": "IO = 10mA, VIN = 3.2V, TJ = +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (full temp)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 1.176,
          "typ": null,
          "max": 1.224,
          "conditions": "10mA < IO < 1A, 2.7V < VIN < 12V, FT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "IO = 10mA, VOUT + 1.5V < VIN < 12V, TJ = +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation (full temp)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "IO = 10mA, VOUT + 1.5V < VIN < 12V, FT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "VIN = 2.7V, 10mA < IO < 1A, TJ = +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (full temp)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VIN = 2.7V, 10mA < IO < 1A, FT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VIN - VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.11,
          "max": 1.2,
          "conditions": "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": "(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": "VIN = < 18V, FT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 10,
          "conditions": "VIN < 18V, IO = 0mA, FT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 35,
          "max": 120,
          "conditions": "VIN = 7V, FT",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/W",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "30ms pulse, +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 80,
          "max": null,
          "conditions": "VIN = VOUT + 3V, f = 120Hz, COUT = 25µF Tantalum, IOUT = 100mA, +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature Stability",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "%",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "IO = 10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Voltage",
          "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",
          "symbol": "TJ",
          "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 HBM",
          "symbol": "HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4000,
          "conditions": "Human Body Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD MM",
          "symbol": "MM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Machine Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM",
          "symbol": "CDM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "Charged Device Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 18,
          "conditions": "Note 5",
          "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",
          "kind": "recommended_operating",
          "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": "Junction-to-Ambient Thermal Resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 107,
          "max": null,
          "conditions": "SOT223, TA = +27°C, no air flow, 2\" x 2\" polyimide PCB, 2oz copper, 5.6mm x 5.6mm pad",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Case Thermal Resistance",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 16,
          "max": null,
          "conditions": "SOT223",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "ZLDO1117QG12TA (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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