MT3608L

{
  "schema_version": 1,
  "type": "component",
  "slug": "mt3608l",
  "title": "MT3608L",
  "brief": "Aerosemi DC-DC Converters, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "mt3608l"
  ],
  "component": {
    "mpn": "MT3608L",
    "manufacturer": "Aerosemi",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2201121530_XI-AN-Aerosemi-Tech-MT3608L_C2932326.pdf",
    "parts": {
      "symbol": "mt3608l.kicad_sym",
      "footprint": "mt3608l.kicad_mod",
      "model_3d": "mt3608l-etched.glb",
      "model_3d_plain": "mt3608l.glb",
      "model_3d_step": "mt3608l-etched.step",
      "model_3d_step_plain": "mt3608l.step",
      "lbr": "mt3608l.lbr"
    },
    "distributor_links": {
      "lcsc": "C2932326"
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "power_out",
        "description": "Power switch output; drain of the internal 80 mΩ N-channel power MOSFET. Connect the boost inductor and Schottky rectifier here. SW can swing between GND and 22V (absolute max)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground return. Should be tied to a solid ground plane for heat sinking and noise immunity."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the internal error amplifier. Regulates to VREF = 0.6V (typ). Connect an external R1/R2 resistor divider from VOUT to set the output voltage: VOUT = 0.6V × (1 + R1/R2). Input bias current ≈ -10 nA typ."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Regulator on/off control input. Drive high (VIH ≥ 1.5V) to enable the converter; low (VIL ≤ 0.6V) to shut it down (IQ ≈ 0.1 µA). Tie to VIN for automatic startup. Absolute max 18V."
      },
      {
        "number": "5",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, 2.2V to 16V operating range (18V abs max). Must be locally bypassed with a low-ESR ceramic capacitor (22 µF recommended). Feeds the internal UVLO (2.2V typ) and control circuitry."
      },
      {
        "number": "6",
        "name": "OC",
        "type": "input",
        "description": "Adjustable over-current programming pin. A resistor from OC to GND (19 kΩ-96 kΩ) sets peak switch current from 2.5A down to 0.5A per IOCP = 48000 / R. Leave floating to use the internal 2.5A default limit. Keep trace short."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2201121530_XI-AN-Aerosemi-Tech-MT3608L_C2932326.pdf",
        "pages": 9,
        "sha256": "055e347e76e74cba",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-6@sha256:f341c73aac9dcb55",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "mt3608l.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mt3608l-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "46ffda9c9b62987d2ab38bbfd8f67759cda1ce39a83a82492d29b13338b669b5",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Unknown",
      "Package": "SOT-23-6",
      "Category": "PMIC",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "055e347e76e74cba",
      "rows": [
        {
          "name": "VIN,EN voltages",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "FB voltages",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SW Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 22,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Power Dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM (Human Body Mode)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Human Body Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ESD MM (Machine Mode)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Machine Model",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Input Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current (Shutdown)",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VEN= 0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current (PFM)",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "VFB=0.7V, No switch",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current (PWM)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.4,
          "typ": 1,
          "max": 1.5,
          "conditions": "VFB=0.5V, switch",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "FB Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.588,
          "typ": 0.6,
          "max": 0.612,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance θJC",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance θJA",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "mt3608l"
  ],
  "discovery_pitch": "MT3608L (Unknown) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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    "mt3608l-etched.step",
    "mt3608l.lbr",
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    "viewers/footprint.html"
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  "variants": [
    {
      "mpn": "MT3608L",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T02:32:25.677Z"
}