MAX861IUA+

{
  "schema_version": 1,
  "type": "component",
  "slug": "max861iua",
  "title": "MAX861IUA+",
  "brief": "Analog Devices Inc Maxim Integrated DC-DC Converters, MSOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "max861iua+"
  ],
  "component": {
    "mpn": "MAX861IUA+",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588950792086958080",
    "parts": {
      "symbol": "max861iua.kicad_sym",
      "footprint": "max861iua.kicad_mod",
      "model_3d": "max861iua-etched.glb",
      "model_3d_plain": "max861iua.glb",
      "model_3d_step": "max861iua-etched.step",
      "model_3d_step_plain": "max861iua.step",
      "lbr": "max861iua.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "FC",
        "type": "input",
        "description": "Frequency Control input. Selects one of three switching frequencies per Table 1: FC=VDD or open ~13kHz, FC=GND ~100kHz, FC=OUT ~250kHz (MAX861). FC input current is only -2 to -4 uA when FC<4V."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "Flying-Capacitor Positive Terminal. Connect the positive terminal of the flying (pump) capacitor C1 (typically 2.2 uF at 250 kHz) between C1+ and C1-."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference in inverter mode. In doubler mode, this pin becomes the Positive Input Supply - the input voltage is applied between pin 3 (positive) and pin 5 (which serves as ground)."
      },
      {
        "number": "4",
        "name": "C1-",
        "type": "passive",
        "description": "Flying-Capacitor Negative Terminal. Connect the negative terminal of the flying (pump) capacitor C1 between C1+ (pin 2) and C1- (pin 4)."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Charge-pump output. In inverter mode this is the Negative Output (-VIN nominal). In doubler mode this pin becomes Ground. Sources/sinks up to 50 mA with ~12 ohm typical output resistance."
      },
      {
        "number": "6",
        "name": "LV",
        "type": "input",
        "description": "Low-Voltage-Operation input. Connect to GND for inverting operation (may be floated if VDD > 3V for MAX660/ICL7660 compatibility). In doubler mode, must be connected to OUT for all input voltages."
      },
      {
        "number": "7",
        "name": "SHDN",
        "type": "input",
        "description": "Active-Low Shutdown input. Drive low (<0.3 V) to shut down the charge pump (supply current drops below 1 uA). Drive high (>1.2 V) to enable. In inverter mode, tie to VDD if unused; in doubler mode, tie to GND if unused. Do not leave floating."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive Input Supply in inverter mode (+1.5V to +5.5V). In doubler mode this pin becomes the Doubled Positive Output (approximately 2 x VIN). Absolute maximum VDD to GND is +6.0V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588950792086958080",
        "pages": null,
        "sha256": "924043bfeecf2e5f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices Inc Maxim Integrated",
      "Package": "MSOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "MAX861IUA+",
      "kind": "packaging"
    },
    {
      "mpn": "MAX861IUA+ISA",
      "kind": "packaging"
    },
    {
      "mpn": "MAX861IUA+ESA",
      "kind": "packaging"
    },
    {
      "mpn": "MAX861IUA+MSA",
      "kind": "packaging"
    },
    {
      "mpn": "MAX861IUA+MJA",
      "kind": "packaging"
    },
    {
      "mpn": "MAX861IUA+C/D",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "max861iua+"
  ],
  "discovery_pitch": "MAX861IUA+ (Analog Devices Inc Maxim Integrated) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max861iua.kicad_sym",
    "max861iua.kicad_mod",
    "max861iua.glb",
    "max861iua.step",
    "max861iua.lbr",
    "docs/hero.png",
    "docs/max861iua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-28T18:37:46.153Z"
}