LTC1261LIMS8#TRPBF

{
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  "type": "component",
  "slug": "ltc1261lims8-trpbf",
  "title": "LTC1261LIMS8#TRPBF",
  "brief": "Analog Devices 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)",
    "ltc1261lims8#trpbf"
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  "component": {
    "mpn": "LTC1261LIMS8#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/8589864262404370432",
    "parts": {
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    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power supply input, 2.7V to 5.25V. Must be bypassed to ground with at least a 1µF capacitor placed close to the pin."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "Flying capacitor positive terminal. Connect a 0.1µF ceramic capacitor between C1+ and C1- to form the charge-pump flying capacitor."
      },
      {
        "number": "3",
        "name": "C1-",
        "type": "passive",
        "description": "Flying capacitor negative terminal. Connect a 0.1µF ceramic capacitor from C1+ to C1- to form the charge-pump flying capacitor."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Connect to a low-impedance ground; a ground plane helps minimize output regulation errors."
      },
      {
        "number": "5",
        "name": "ADJ/COMP",
        "type": "input",
        "description": "Output adjust / feedback pin on adjustable parts (LTC1261L) - an external resistor divider from OUT to GND sets the regulated negative output voltage using the internal 1.23V reference (typical divider current ≥10µA). On fixed-voltage parts (LTC1261L-4, LTC1261L-4.5) the divider is internal and this pin acts as COMP; a ~100pF capacitor to ground provides loop compensation to reduce output ripple."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated negative voltage output (down to -5V, up to 20mA). Bypass to ground with a 1µF or larger capacitor; capacitor value and ESR strongly affect output ripple."
      },
      {
        "number": "7",
        "name": "REG",
        "type": "output",
        "description": "Open-drain power-valid / regulation-good status output. Pulls low when the output magnitude is within 5% of the set value; requires an external pull-up (REG will not drive high on its own). Sinks 5mA at VCC = 5V (4mA at VCC = 3.3V); pull-up may exceed VCC up to 6V above ground."
      },
      {
        "number": "8",
        "name": "SHDN",
        "type": "input",
        "description": "Active-high shutdown input. When low (or floating - internal 5µA pull-down keeps it low), the LTC1261L operates normally; when pulled high the charge pump is disabled, OUT collapses to 0V, and quiescent current drops to ~5µA."
      }
    ],
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "MSOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Supply Voltage (VCC)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5.25,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (SHDN floating)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 650,
          "max": 1500,
          "conditions": "VCC = 5.25V, No Load, SHDN Floating",
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        {
          "name": "Supply Current in shutdown",
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          "conditions": "VCC = 5.25V, No Load, VSHDN = VCC",
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        {
          "name": "REG Output Low Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": 0.8,
          "conditions": "IREG = 1mA, VCC = 5V, VOUT = –4V",
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          "source": "datasheet"
        },
        {
          "name": "REG Sink Current",
          "symbol": "IREG",
          "kind": "electrical",
          "unit": "mA",
          "min": 4,
          "typ": null,
          "max": 8,
          "conditions": "VREG = 0.8V, VCC = 3.3V",
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          "name": "REG Sink Current",
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        {
          "name": "Adjust Pin Current",
          "symbol": "IADJ",
          "kind": "electrical",
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          "max": 1,
          "conditions": "VADJ = 1.23V",
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        {
          "name": "SHDN Input High Voltage",
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          "name": "SHDN Input Low Voltage",
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        {
          "name": "Turn-On Time",
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          "kind": "timing",
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        {
          "name": "Output Regulation (LTC1261L)",
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          "kind": "electrical",
          "unit": "V",
          "min": -1.552,
          "typ": -1.5,
          "max": -1.448,
          "conditions": "2.70V ≤ VCC ≤ 5.25V, 0mA ≤ IOUT ≤ 10mA",
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          "name": "Output Regulation (LTC1261L)",
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          "min": -2.07,
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          "name": "Output Regulation (LTC1261L)",
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          "name": "Output Regulation (LTC1261L)",
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          "name": "Output Regulation (LTC1261L)",
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          "name": "Output Regulation (LTC1261L)",
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          "name": "Output Regulation (LTC1261L)",
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          "name": "Output Regulation (LTC1261L)",
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          "name": "Output Regulation (LTC1261L)",
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          "source_page": 3,
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        {
          "name": "Output Regulation (LTC1261L/LTC1261L-4)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": -4.14,
          "typ": -4,
          "max": -3.86,
          "conditions": "4.35V ≤ VCC ≤ 5.25V, 0mA ≤ IOUT ≤ 5mA",
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          "name": "Output Regulation (LTC1261L/LTC1261L-4)",
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          "kind": "electrical",
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          "min": -4.14,
          "typ": -4,
          "max": -3.83,
          "conditions": "5.10V ≤ VCC ≤ 5.25V, 0mA ≤ IOUT ≤ 20mA",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Output Regulation (LTC1261L/LTC1261L-4.5)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": -4.657,
          "typ": -4.5,
          "max": -4.343,
          "conditions": "4.75V ≤ VCC ≤ 5.25V, 0mA ≤ IOUT ≤ 5mA",
          "source_page": 3,
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        {
          "name": "Output Short-Circuit Current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": 100,
          "typ": null,
          "max": 220,
          "conditions": "VOUT = 0V, VCC = 5.25V",
          "source_page": 3,
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        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -5.3,
          "typ": null,
          "max": 0.3,
          "conditions": "Note 3; printed as 0.3V to –5.3V",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Total Voltage, VCC to VOUT",
          "symbol": "VCC-VOUT",
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          "name": "SHDN Pin Voltage",
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          "name": "Storage Temperature Range",
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          "name": "Lead Temperature (Soldering, 10 sec)",
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          "name": "Maximum Junction Temperature (MS8)",
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          "name": "Thermal Resistance Junction-to-Ambient (MS8)",
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