LTC1261LCMS8#TRPBF

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  "slug": "ltc1261lcms8-trpbf",
  "title": "LTC1261LCMS8#TRPBF",
  "brief": "Analog Devices DC-DC Converters, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
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  "component": {
    "mpn": "LTC1261LCMS8#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589848779974750208",
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      "mouser": "584-C1261LCMS8TRPBF"
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      "source": "Component Ocean /api/assign-pns",
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      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input requiring 2.7V to 5.25V, bypassed to ground with at least a 1µF capacitor placed close to the chip."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the flying capacitor, which connects to a 0.1µF capacitor between C1+ and C1-."
      },
      {
        "number": "3",
        "name": "C1–",
        "type": "passive",
        "description": "Negative terminal of the flying capacitor, which connects to a 0.1µF capacitor between C1+ and C1-."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, which should connect to a low-impedance ground plane to minimize regulation errors."
      },
      {
        "number": "5",
        "name": "ADJ (COMP)",
        "type": "input",
        "description": "Output adjust pin for adjustable parts (resistor divider from OUT, drawing at least 10µA recommended) and compensation pin for fixed-output parts, where an optional capacitor to ground reduces output ripple."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "power_out",
        "description": "Negative voltage output that must be bypassed to ground with a 1µF or larger capacitor."
      },
      {
        "number": "7",
        "name": "REG",
        "type": "output",
        "description": "Open-drain output that pulls low when the output is within 5% of the set value, sinks 5mA with a 5V supply, requires an external pull-up, and may be pulled up to 6V above ground."
      },
      {
        "number": "8",
        "name": "SHDN",
        "type": "input",
        "description": "Shutdown input: at ground the part operates normally, while a high level disables the charge pump and drops quiescent current to 5µA typical, with an internal 5µA pull-down keeping it low when floating."
      }
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        "at": "2026-10-19T09:18:54"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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      "Package": "MSOP-8",
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          "name": "Output Regulation (LTC1261L/LTC1261L-4)",
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          "name": "Output Regulation (LTC1261L/LTC1261L-4.5)",
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          "name": "Output Short-Circuit Current",
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