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Ray Set visibility: public 98c4430 5h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ap3428wt-7",
  "title": "AP3428WT-7",
  "brief": "Diodes Incorporated DC-DC Converters, TSOT-25. 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 (pmic)",
    "ap3428wt-7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AP3428WT-7",
    "manufacturer": "Diodes Incorporated",
    "package": "TSOT-25",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560095044250976256",
    "parts": {
      "symbol": "ap3428wt-7.kicad_sym",
      "footprint": "ap3428wt-7.kicad_mod",
      "model_3d": "ap3428wt-7-hero.glb",
      "model_3d_plain": "ap3428wt-7-etched.glb",
      "model_3d_step": "ap3428wt-7-etched.step",
      "model_3d_step_plain": "ap3428wt-7.step",
      "lbr": "ap3428wt-7.lbr"
    },
    "distributor_links": {
      "lcsc": "C5157839"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:07:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Enable control input: forcing the pin above 1.5V enables the chip and below 0.4V shuts the device down."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "3",
        "name": "LX",
        "type": "output",
        "description": "Drains of the internal main and synchronous power MOSFETs (switch node); LX is rated -0.3 to VIN+0.3 V, or -3 V to 7 V for less than 40 ns."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Bias supply and chip main power supply pin, operating over 2.5 V to 5.5 V."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback voltage input to the internal error amplifier, with a threshold voltage of 0.6 V."
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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 gives two TSOT25 (Type SM) pin columns: one for AP3428 and one for AP3428A, which have; The LX pin type is set to output (switch node) since the datasheet describes it only as MOSFET drain"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0604,
        "at": "2026-10-18T14:03:24"
      },
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        "pages": 14,
        "sha256": "f45194b4df69c4b8",
        "source_tier": "lcsc"
      },
      "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"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5120f0cee43ef7743cc08408d2c12f234fcac7355386e330a3a16f336e23da8d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ap3428wt-7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "a28bb737dddbf42dfb60e39092cd1d237bbe005983bee532ecb675401cd438d9",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "TSOT-25",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": " Terminals: Finish - Mate Tin Plated Leads, Solderable per MIL-STD-202, Method 208  Weight: 0.014 grams (Approximate)",
        "page": 14,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "f45194b4df69c4b8eece320adae8fce52d3ec425bd3d6ace89de35b16dc6ad02"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f45194b4df69c4b8eece320adae8fce52d3ec425bd3d6ace89de35b16dc6ad02",
      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "EN Pin Voltage",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LX Pin Voltage",
          "symbol": "VLX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "LX Pin Voltage",
          "symbol": "VLX",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -3,
          "typ": null,
          "max": 7,
          "conditions": "<40ns",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback Pin Voltage",
          "symbol": "VFB",
          "kind": "absolute_maximum",
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          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Power Dissipation (TSOT25 (Type SM))",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "on PCB, TA = +25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient (TSOT25 (Type SM))",
          "symbol": "θJA",
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        {
          "name": "Thermal Resistance Junction to Case (TSOT25 (Type SM))",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 130,
          "conditions": "Simulation",
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        {
          "name": "Operating Junction Temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 155,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD (Machine Model)",
          "symbol": "VMM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Machine Model",
          "source_page": 4,
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        {
          "name": "ESD (Human Body Model)",
          "symbol": "VHBM",
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          "conditions": "Human Body Model",
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        },
        {
          "name": "ESD (Charge Device Mode)",
          "symbol": "VCDM",
          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
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          "conditions": "Charge Device Mode",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "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": "",
          "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 Voltage Range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "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": "Regulated Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.588,
          "typ": 0.6,
          "max": 0.612,
          "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": 1.3,
          "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": "Input UVLO Threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.4,
          "max": 2.7,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "AP3428WT-7 (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}