main
Ray Set visibility: public 2154960 7d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "ap3441lshe-7b",
  "title": "AP3441LSHE-7B",
  "brief": "Diodes Incorporated DC-DC Converters, DFN-8-EP(2x2). 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",
    "ap3441lshe-7b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AP3441LSHE-7B",
    "manufacturer": "Diodes Incorporated",
    "package": "DFN-8-EP(2x2)",
    "pin_count": 9,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP3441LSHE-7B.pdf",
    "parts": {
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      "footprint": "ap3441lshe-7b.kicad_mod",
      "model_3d": "ap3441lshe-7b-hero.glb",
      "model_3d_plain": "ap3441lshe-7b-etched.glb",
      "model_3d_step": "ap3441lshe-7b-etched.step",
      "model_3d_step_plain": "ap3441lshe-7b.step",
      "lbr": "ap3441lshe-7b.lbr"
    },
    "distributor_links": {
      "lcsc": "C2072094",
      "digikey": "31-AP3441LSHE-7BTR-ND",
      "mouser": "621-AP3441LSHE-7B"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T00:36:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-AP3441LSHE-7BTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "621-AP3441LSHE-7B",
        "status": "found"
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    },
    "pins": [
      {
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        "name": "FB",
        "type": "input",
        "description": "Feedback input to the internal error amplifier, with a threshold voltage of 0.6V."
      },
      {
        "number": "2",
        "name": "PG",
        "type": "output",
        "description": "Open-drain power good indicator that is pulled up to VIN when the output is within 20% of regulation and is otherwise low."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Bias and main power supply pin, specified for 2.7V to 5.5V input."
      },
      {
        "number": "4",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground pin for the internal power MOSFETs."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "6",
        "name": "LX",
        "type": "output",
        "description": "Connected to the drains of the internal main and synchronous power MOSFETs, forming the switching node."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable control input that enables the chip above 1.5V and shuts the device down below 0.4V."
      },
      {
        "number": "8",
        "name": "SGND",
        "type": "power_in",
        "description": "Signal ground pin."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
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    "provenance": {
      "extractor": "extract_pins 0.3",
      "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: The datasheet labels the thermal pad as EP (Exposed Pad) rather than a numbered pin, so it is listed"
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        "pages_sent": 13,
        "cost_usd": 0.0155,
        "at": "2026-10-28T00:35:55"
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        "url": "https://www.diodes.com/assets/Datasheets/AP3441LSHE-7B.pdf",
        "pages": 13,
        "sha256": "c159ff2133de34dd",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "footprint_binding": "identity",
        "sha256": "914cd301aa2efff54a7c18fe40fe21c25b277d6109b6cb10afb266387128ddd0",
        "checked": "2026-10-28",
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        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "DFN-8-EP(2x2)",
      "Category": "Power Management ICs",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c159ff2133de34dd771faf914df62a8bb8067dd490a9bc3e5df72b97d88de27c",
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          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Range",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VEN = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input UVLO Threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.4,
          "max": 2.5,
          "conditions": "VIN Rises",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Regulated Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.591,
          "typ": 0.6,
          "max": 0.609,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "FB Leakage Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "VFB = 1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Peak Inductor Current",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0.8,
          "typ": 1,
          "max": 1.2,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Threshold High",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Threshold Low",
          "symbol": "VENL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Leakage Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VIN= VEN =5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft-Start Time",
          "symbol": "tSS",
          "kind": "electrical",
          "unit": "ms",
          "min": 0.7,
          "typ": 1,
          "max": 1.3,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "EN Pin Voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Upper limit VIN+0.3",
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        {
          "name": "FB Pin Voltage",
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          "kind": "absolute_maximum",
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          "min": -0.3,
          "typ": null,
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          "conditions": "Upper limit VIN+0.3",
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        {
          "name": "LX Pin Voltage",
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          "kind": "absolute_maximum",
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          "min": -0.3,
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          "conditions": "Upper limit VIN+0.3",
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          "source": "datasheet"
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        {
          "name": "LX Pin Voltage (pulse)",
          "symbol": "VLX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": null,
          "conditions": "for <20ns; upper limit VIN+3",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Power Dissipation",
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          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
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          "max": 1.4,
          "conditions": "On PCB, TA = +25°C",
          "source_page": 4,
          "source": "datasheet"
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          "conditions": "",
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          "name": "Storage Temperature",
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          "unit": "°C",
          "min": -55,
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          "conditions": "",
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        },
        {
          "name": "ESD Human Body Model",
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          "conditions": "JESD22-A114",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "ESD Charge Device Mode",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "JESD22-C101",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (Junction to Ambient)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (Junction to Case)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 8.2,
          "conditions": "Simulation",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "AP3441LSHE-7B (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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