LTM4622IY#PBF

{
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  "slug": "ltm4622iy-pbf",
  "title": "LTM4622IY#PBF",
  "brief": "Analog Devices DC-DC Converters, BGA-25. 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)",
    "ltm4622iy#pbf",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LTM4622IY#PBF",
    "manufacturer": "Analog Devices",
    "package": "BGA-25",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588954898256048128",
    "parts": {
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      "lbr": "ltm4622iy-pbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C516849",
      "digikey": "505-LTM4622IY#PBF-ND",
      "mouser": "584-LTM4622IY#PBF"
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    "distributor_check": {
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    },
    "pins": [
      {
        "number": "A1",
        "name": "VOUT2",
        "type": "power_out",
        "description": "Power output of switching regulator channel 2; apply the load between VOUT2 and GND, with output set from 0.6V to 5.5V."
      },
      {
        "number": "A2",
        "name": "VIN2",
        "type": "power_in",
        "description": "Channel 2 power input; operates from 1.5V to 20V when VIN1 is above 3.6V, with an absolute maximum of 22V, and decoupling should be placed directly between VIN1/VIN2 and GND."
      },
      {
        "number": "A3",
        "name": "TRACK/SS2",
        "type": "input",
        "description": "Channel 2 soft-start and tracking pin with an internal 1.4µA pull-up from INTVCC; below 0.6V it overrides the internal reference, and the internal soft-start is a minimum of 400µs."
      },
      {
        "number": "A4",
        "name": "FB2",
        "type": "input",
        "description": "Negative input of the channel 2 error amplifier, internally connected to VOUT2 through a 60.4kΩ precision resistor, with an external resistor to GND programming the output voltage."
      },
      {
        "number": "A5",
        "name": "COMP2",
        "type": "passive",
        "description": "Channel 2 current control threshold and error amplifier compensation point with a normal range of 0.3V to 1.8V; the device is internally compensated and this pin must not be driven."
      },
      {
        "number": "B1",
        "name": "VOUT2",
        "type": "power_out",
        "description": "Power output of switching regulator channel 2; apply the load between VOUT2 and GND, with output set from 0.6V to 5.5V."
      },
      {
        "number": "B2",
        "name": "RUN2",
        "type": "input",
        "description": "Channel 2 run control input that enables the channel when above 1.27V and shuts it down when below 1V; this pin must not be left floating."
      },
      {
        "number": "B3",
        "name": "VIN2",
        "type": "power_in",
        "description": "Channel 2 power input; operates from 1.5V to 20V when VIN1 is above 3.6V, with an absolute maximum of 22V, and decoupling should be placed directly between VIN1/VIN2 and GND."
      },
      {
        "number": "B4",
        "name": "PGOOD2",
        "type": "output",
        "description": "Open-drain power-good output for channel 2 that is pulled to ground when FB2 is outside ±8% (typical) of the internal 0.6V reference."
      },
      {
        "number": "B5",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for both input and output returns."
      },
      {
        "number": "C1",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for both input and output returns."
      },
      {
        "number": "C2",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for both input and output returns."
      },
      {
        "number": "C3",
        "name": "INTVCC",
        "type": "power_out",
        "description": "Internal 3.3V regulator output that powers the internal drivers and control circuits, internally decoupled with 2.2µF and rated to an absolute maximum of 3.6V."
      },
      {
        "number": "C4",
        "name": "FREQ",
        "type": "input",
        "description": "Sets the switching frequency, internally 1MHz by default, with a resistor to GND to increase frequency or to INTVCC to decrease it."
      },
      {
        "number": "C5",
        "name": "SYNC/MODE",
        "type": "input",
        "description": "Mode select and external synchronization input: tie to GND for forced continuous operation, float or tie to INTVCC for Burst Mode operation at light load, or drive with a clock (high above 2V, low below 0.3V)."
      },
      {
        "number": "D1",
        "name": "VOUT1",
        "type": "power_out",
        "description": "Power output of switching regulator channel 1; apply the load between VOUT1 and GND, with output set from 0.6V to 5.5V."
      },
      {
        "number": "D2",
        "name": "RUN1",
        "type": "input",
        "description": "Channel 1 run control input that enables the channel when above 1.27V and shuts it down when below 1V; this pin must not be left floating."
      },
      {
        "number": "D3",
        "name": "VIN1",
        "type": "power_in",
        "description": "Channel 1 power input and supply for the module internal control circuitry; operates from 3.6V to 20V with an absolute maximum of 22V, and decoupling should be placed directly between VIN1/VIN2 and GND."
      },
      {
        "number": "D4",
        "name": "PGOOD1",
        "type": "output",
        "description": "Open-drain power-good output for channel 1 that is pulled to ground when FB1 is outside ±8% (typical) of the internal 0.6V reference."
      },
      {
        "number": "D5",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground pin for both input and output returns."
      },
      {
        "number": "E1",
        "name": "VOUT1",
        "type": "power_out",
        "description": "Power output of switching regulator channel 1; apply the load between VOUT1 and GND, with output set from 0.6V to 5.5V."
      },
      {
        "number": "E2",
        "name": "VIN1",
        "type": "power_in",
        "description": "Channel 1 power input and supply for the module internal control circuitry; operates from 3.6V to 20V with an absolute maximum of 22V, and decoupling should be placed directly between VIN1/VIN2 and GND."
      },
      {
        "number": "E3",
        "name": "TRACK/SS1",
        "type": "input",
        "description": "Channel 1 soft-start and tracking pin with an internal 1.4µA pull-up from INTVCC; below 0.6V it overrides the internal reference, and the internal soft-start is a minimum of 400µs."
      },
      {
        "number": "E4",
        "name": "FB1",
        "type": "input",
        "description": "Negative input of the channel 1 error amplifier, internally connected to VOUT1 through a 60.4kΩ precision resistor, with an external resistor to GND programming the output voltage."
      },
      {
        "number": "E5",
        "name": "COMP1",
        "type": "passive",
        "description": "Channel 1 current control threshold and error amplifier compensation point with a normal range of 0.3V to 1.8V; the device is internally compensated and this pin must not be driven."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet's ordering table (page 2) lists LTM4622IY#PBF as a BGA package, 25-lead, 6.25mm × 6.25; The datasheet states that package row and column labeling may vary among µModule products and to rev; Pin types are inferred from the pin function descriptions: TRACK/SS, RUN, FB and FREQ are typed as i",
          "4/25 pins cited to the wrong page (name found elsewhere): ['A2:VIN2@p3', 'B3:VIN2@p3', 'D3:VIN1@p3', 'E2:VIN1@p3']"
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        "pages_sent": 18,
        "cost_usd": 0.1197,
        "at": "2026-10-19T09:39:08"
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        "pages": 28,
        "sha256": "7ffcd4f226b118bb",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
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      "Manufacturer": "Analog Devices",
      "Package": "BGA-25",
      "Category": "Power Management (PMIC)",
      "Pins": "25"
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          "name": "3.3V Input DC Voltage",
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          "name": "Output Voltage, Total Variation with Line and Load",
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          "name": "RUN Threshold Rising (RUN Pin On Threshold)",
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          "name": "Output Continuous Current Range",
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          "kind": "electrical",
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          "min": 0,
          "typ": null,
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          "conditions": "VIN1 = VIN2 = 12V, VOUT = 1.5V",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Line Regulation Accuracy",
          "symbol": "ΔVOUT (Line)/VOUT",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "VOUT = 1.5V, VIN1 = VIN2 = 3.6V to 20V, IOUT = 0A",
          "source_page": 3,
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        {
          "name": "Load Regulation Accuracy",
          "symbol": "ΔVOUT (Load)/VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": 1,
          "conditions": "VOUT = 1.5V, IOUT = 0A to 2.5A",
          "source_page": 3,
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        {
          "name": "Output Current Limit",
          "symbol": "IOUTPK",
          "kind": "electrical",
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          "conditions": "VIN1 = VIN2 = 12V, VOUT = 1.5V",
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        {
          "name": "VFB Voltage at FB Pin",
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          "name": "Current at FB Pin",
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          "conditions": "",
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        {
          "name": "Resistor Between VOUT and FB Pins",
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          "name": "Internal feedback resistor tolerance (60.4k, 0.5%)",
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          "kind": "tolerance",
          "unit": "%",
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          "conditions": "Internal feedback resistor between VOUT and FB, printed as 0.5%",
          "source_page": 10,
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        {
          "name": "Internal Soft-Start Time",
          "symbol": "tSS",
          "kind": "timing",
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          "conditions": "10% to 90% Rise Time",
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          "name": "PGOOD Trip Level (VFB Ramping Negative)",
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          "kind": "electrical",
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          "min": -14,
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          "conditions": "VFB With Respect to Set Output, VFB Ramping Negative",
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          "name": "PGOOD Trip Level (VFB Ramping Positive)",
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          "name": "Internal VCC Voltage",
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          "source_page": 4,
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        {
          "name": "Frequency Sync Range",
          "symbol": "fSYNC",
          "kind": "electrical",
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          "conditions": "With Respect to Set Frequency",
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          "name": "VIN1, VIN2 absolute maximum",
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          "name": "VOUT absolute maximum",
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          "name": "PGOOD1, PGOOD2 absolute maximum",
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          "name": "RUN1, RUN2 absolute maximum",
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          "min": -0.3,
          "typ": null,
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          "conditions": "Maximum printed as VIN + 0.3V",
          "source_page": 2,
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          "name": "INTVCC, TRACK/SS1, TRACK/SS2 absolute maximum",
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          "name": "SYNC/MODE, COMP1, COMP2, FB1, FB2 absolute maximum",
          "symbol": "SYNC/MODE, COMP1, COMP2, FB1, FB2",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as INTVCC",
          "source_page": 2,
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        },
        {
          "name": "Operating Internal Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Internal operating temperature range (Note 2)",
          "source_page": 2,
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        {
          "name": "Storage Temperature Range",
          "symbol": "",
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          "min": -55,
          "typ": null,
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          "conditions": "",
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        {
          "name": "Maximum Junction Temperature",
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          "kind": "thermal",
          "unit": "°C",
          "min": null,
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          "name": "Junction-to-case (top) thermal resistance",
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          "name": "Junction-to-case (bottom) thermal resistance",
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          "typ": 11,
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          "conditions": "BGA 25-lead package",
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          "source": "datasheet"
        },
        {
          "name": "Junction-to-board plus board-to-ambient thermal resistance",
          "symbol": "θJB + θBA",
          "kind": "thermal",
          "unit": "°C/W",
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          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
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