A8498SLJTR-T

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  "title": "A8498SLJTR-T",
  "brief": "Allegro MicroSystems LLC DC-DC Converters, SOIC-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "A8498SLJTR-T",
    "manufacturer": "Allegro MicroSystems LLC",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586199765096390657",
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    },
    "distributor_links": {
      "lcsc": "C146396"
    },
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "BOOT",
        "type": "passive",
        "description": "Gate drive boost node for the high-side switch drive, with a 0.01 µF ceramic CBOOT used in the reference designs."
      },
      {
        "number": "2",
        "name": "ENB",
        "type": "input",
        "description": "On/off control logic input: pulling it to ground enables the device, an open circuit disables it, VENB(0) LOW level is 1.0 V max, and the absolute maximum input voltage is 7 V."
      },
      {
        "number": "3",
        "name": "TSET",
        "type": "passive",
        "description": "Off-time setting pin: a resistor from this pin to ground sets the fixed off-time (for example, 63.4 kΩ gives tOFF for a 3.3 V output at 42 V input in the reference design)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input for the adjustable regulator, regulated to a 0.8 V reference (0.784 to 0.816 V), with output adjustable from 0.8 to 24 V; the regulator invokes current limit when FB falls below 0.4 V."
      },
      {
        "number": "6",
        "name": "VBIAS",
        "type": "power_in",
        "description": "Bias supply input, which should be connected to VOUT when the output target is between 3.3 and 5 V; absolute maximum rating is -0.3 to 7 V."
      },
      {
        "number": "7",
        "name": "LX",
        "type": "output",
        "description": "Buck switching node, with a switching voltage minimum of -1 V in the absolute maximum ratings."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input, rated for 8 to 50 V operation with an absolute maximum load supply voltage of 50 V."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
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          "exposed pad 9 added from the footprint"
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      "Manufacturer": "Allegro MicroSystems LLC",
      "Package": "SOIC-8-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
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          "name": "Input Voltage, VBIAS pin",
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          "name": "Storage Temperature",
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          "name": "Package thermal resistance, junction to ambient (LJ)",
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        {
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          "min": null,
          "typ": 0.9,
          "max": 1.35,
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          "name": "VIN Quiescent Current",
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          "min": null,
          "typ": 4.4,
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          "conditions": "VENB = LOW, VIN = 42 V, VBIAS < 3 V, VFB = 1.5 V",
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          "conditions": "VENB = HIGH",
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        {
          "name": "VBIAS Input Current",
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          "kind": "electrical",
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          "max": 5,
          "conditions": "VBIAS = VOUT",
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        {
          "name": "Buck Switch On Resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
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          "typ": 450,
          "max": null,
          "conditions": "TA = 25°C, IOUT = 3 A",
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          "name": "Buck Switch On Resistance",
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          "typ": 650,
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          "conditions": "TA = 125°C, IOUT = 3 A",
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          "name": "Fixed Off-Time Proportion",
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          "name": "Feedback Voltage",
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          "min": 0.784,
          "typ": 0.8,
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        {
          "name": "Internal reference tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
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          "conditions": "Internal 0.8 V reference (stated in Functional Description text)",
          "source_page": 5,
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        {
          "name": "Output Voltage Regulation",
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          "min": -3,
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        {
          "name": "Feedback Input Bias Current",
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          "kind": "electrical",
          "unit": "nA",
          "min": -400,
          "typ": -100,
          "max": 100,
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        {
          "name": "Soft Start Time",
          "symbol": "tss",
          "kind": "electrical",
          "unit": "ms",
          "min": 5,
          "typ": 10,
          "max": 15,
          "conditions": "",
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        {
          "name": "Buck Switch Current Limit",
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          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": null,
          "max": 5,
          "conditions": "VFB > 0.4 V",
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        {
          "name": "Buck Switch Current Limit",
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          "min": 0.5,
          "typ": null,
          "max": 1.5,
          "conditions": "VFB < 0.4 V",
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        {
          "name": "ENB Open Circuit Voltage",
          "symbol": "VOC",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 7,
          "conditions": "Output disabled",
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        {
          "name": "ENB Input Voltage Threshold",
          "symbol": "VENB(0)",
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          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "LOW level input (Logic 0), output enabled",
          "source_page": 4,
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        {
          "name": "ENB Input Current",
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          "unit": "µA",
          "min": -10,
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          "max": -1,
          "conditions": "VENB = 0 V",
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        {
          "name": "VIN Undervoltage Threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 6.6,
          "typ": 6.9,
          "max": 7.2,
          "conditions": "VIN rising",
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        {
          "name": "VIN Undervoltage Hysteresis",
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          "unit": "V",
          "min": 0.7,
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          "conditions": "VIN falling",
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        {
          "name": "Thermal Shutdown Temperature",
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          "unit": "°C",
          "min": null,
          "typ": 165,
          "max": null,
          "conditions": "Temperature increasing",
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          "name": "Thermal Shutdown Hysteresis",
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          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "Recovery = TJTSD – TJTSD(hys)",
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