AP7311-18WG-7

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  "title": "AP7311-18WG-7",
  "brief": "Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-25. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.1",
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    "mpn": "AP7311-18WG-7",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-25",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP7311-18WG-7.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Voltage input pin (2V to 6V, 7V absolute max). Bypass to ground through at least 1uF capacitor."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input, active high. VIH = 1.4V min, VIL = 0.4V max. Referenced to VIN (max VIN + 0.3V)."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. This pin is unused on the fixed-output variant (AP7311-18WG-7 is a fixed 1.8V output part)."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated voltage output pin, fixed 1.8V, 150mA max. Bypass to ground through 1uF ceramic capacitor."
      }
    ],
    "provenance": {
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        "url": "https://www.diodes.com/assets/Datasheets/AP7311-18WG-7.pdf",
        "pages": 13,
        "sha256": "6bf469c670222d24",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
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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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          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "fa231512b2931845b335b7609975432d6192b67c4305ba31f644541573edec18",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-25",
      "Category": "PMIC",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6bf469c670222d24",
      "rows": [
        {
          "name": "ESD HBM Human Body Model ESD Protection",
          "symbol": "ESD HBM",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Human Body Model ESD Protection",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD MM Machine Model ESD Protection",
          "symbol": "ESD MM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Machine Model ESD Protection",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TOP",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TST",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 640,
          "conditions": "SOT25; ratings apply to ambient temperature at 25°C (Note 3)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 150,
          "conditions": "Note 4: device maintains stable regulated output without load current",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 55,
          "max": 75,
          "conditions": "VEN = VIN, IOUT = 0mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 65,
          "max": 85,
          "conditions": "VEN = VIN, IOUT = 150mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Shutdown Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEN = 0V, IOUT = 0mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Leakage Current",
          "symbol": "ILEAK",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEN = 0V, OUT grounded",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Accuracy",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "TA = -40°C to 85°C, IOUT = 30mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "ΔVOUT/ΔVIN/V",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.2,
          "conditions": "VIN = (VOUT +1V) to VIN-Max, VEN = VIN, IOUT = 1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔVOUT/VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": -0.6,
          "typ": null,
          "max": 0.6,
          "conditions": "VIN = (VOUT +1V) to VIN-Max, IOUT from 1mA to 150mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": 200,
          "typ": null,
          "max": 300,
          "conditions": "VIN = (VOUT +1V) to VIN-Max, VOUT/ROUT = 0.5A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Logic Low Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VIN = VIN-Min to VIN-Max",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Logic High Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": null,
          "conditions": "VIN = VIN-Min to VIN-Max",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VIN = 0V or VIN-Max",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient SOT25",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 190,
          "max": null,
          "conditions": "Note 6: device mounted on FR-4 substrate PCB, minimum recommended pad layout, 2oz copper, single sided",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
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  "updated_at": "2026-09-24T16:43:51.613Z",
  "description": "Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-25. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}