EUP3270WIR1

{
  "schema_version": 1,
  "type": "component",
  "slug": "eup3270wir1",
  "title": "EUP3270WIR1",
  "brief": "Eutech Microelectronics DC-DC Converters, SOIC-8-EP. 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)",
    "eup3270wir1",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "EUP3270WIR1",
    "manufacturer": "Eutech Microelectronics",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586200376806674432",
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      "lbr": "eup3270wir1.lbr"
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    "distributor_links": {
      "lcsc": "C179556"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:47:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin; the recommended supply range is 4.5V to 30V, with an absolute maximum of 32V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "passive",
        "description": "Loop compensation pin; driving COMP below the 0.14V enable threshold (40mV hysteresis) turns off the converter."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Output feedback input, sensed through the external resistive divider that sets the output voltage."
      },
      {
        "number": "5",
        "name": "CS",
        "type": "input",
        "description": "Current sense input; the CC current is set by the resistor R3 connected between CS and GND."
      },
      {
        "number": "6",
        "name": "VDC",
        "type": "power_out",
        "description": "Internal VDC regulator output; bypass to ground with a ceramic capacitor."
      },
      {
        "number": "7",
        "name": "FREQ",
        "type": "input",
        "description": "Frequency select pin; the switching frequency is set by resistor R4 connected between FREQ and GND (150kHz at R4=0Ω)."
      },
      {
        "number": "8",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground; keep separate from analog ground and join at a single point."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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          "exposed pad 9 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
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        "cost_usd": 0.0402,
        "at": "2026-10-18T03:45:53"
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        "described": 9,
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      "Manufacturer": "Eutech Microelectronics",
      "Package": "SOIC-8-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
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          "name": "Lead Temp (Soldering)",
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          "name": "Shutdown Current",
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          "name": "Input Under Voltage Lockout Threshold",
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          "name": "Maximum Duty Cycle",
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          "name": "Reference Voltage of the Voltage Error Amplifier",
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          "name": "Transconductance of Error Amplifier",
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        {
          "name": "Reference Voltage of the Short Circuit Foldback Comparator",
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          "name": "COMP Enable Threshold",
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          "name": "Thermal Shut-down Temperature",
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          "name": "PMOS Drain-Source On-State Resistance",
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