LM53600AQDSXRQ1

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  "slug": "lm53600aqdsxrq1",
  "title": "LM53600AQDSXRQ1",
  "brief": "Texas Instruments DC-DC Converters, WSON-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "LM53600AQDSXRQ1",
    "manufacturer": "Texas Instruments",
    "package": "WSON-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm53601-q1",
    "parts": {
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      "lbr": "lm53600aqdsxrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2072577",
      "digikey": "296-LM53600AQDSXRQ1TR-ND",
      "mouser": "595-LM53600AQDSXRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T22:32:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-LM53600AQDSXRQ1TR-ND",
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        "lifecycle": "Active"
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        "pn": "595-LM53600AQDSXRQ1",
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    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "power_out",
        "description": "Regulator switch node; connect to the output inductor."
      },
      {
        "number": "2",
        "name": "BOOT",
        "type": "input",
        "description": "High-side gate driver upper supply rail; connect a 100-nF capacitor from SW to BOOT, which an internal diode charges while the SW node is low."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal 3-V regulator output supplying the internal control circuits; connect a high-quality 1.0-µF capacitor from this pin to GND for the adjustable version."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Adjustable version feedback input for output voltage only; connect to the output through a voltage divider that sets the output set point, with an adjustment range of 3.3 V to 6 V."
      },
      {
        "number": "5",
        "name": "BIAS",
        "type": "power_in",
        "description": "Power source for the VCC regulator; connect to the output node with a 10-nF bypass capacitor placed immediately adjacent to this pin."
      },
      {
        "number": "6",
        "name": "RESET",
        "type": "output",
        "description": "Open-drain reset output; connect to a suitable supply through a current-limiting pull-up resistor (high = regulator OK, low = regulator fault), and it goes low when EN is low; RESET sink current is limited to 8 mA."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input to the regulator (high = on, low = off); it can be connected to VIN and must not float."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply to the regulator, with a recommended range of 3.8 V to 36 V after startup; connect input bypass capacitors directly between this pin and GND."
      },
      {
        "number": "9",
        "name": "SYNC/MODE",
        "type": "input",
        "description": "Multifunction mode control input tolerant of voltages up to VIN: an external sync signal forces PWM synchronized to its rising edge, tied high forces PWM at the internal clock, tied low selects AUTO mode with diode emulation at light load, and it must not float."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; bypass to VIN with a capacitor placed immediately adjacent to this pin."
      },
      {
        "number": "11",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN LM53600AQDSXRQ1 is the adjustable version (Device Comparison, page 3; Package Option Addendu; The datasheet types BOOT as I and the GND pins as G; these are mapped to KiCad input and power_in re; The datasheet labels the DAP pin as 'DAP (EXPOSED PAD)' with no numeric number, so it is reported as",
          "exposed pad 11 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 10,
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        "at": "2026-10-11T22:31:53"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm53601-q1",
        "pages": 51,
        "sha256": "d174c97c59a34282",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WSON-10-EP(3x3)",
      "Category": "Power Supply Chip",
      "Pins": "11"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
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          "name": "VIN to GND",
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          "name": "BIAS to GND (LM53600-Q1-ADJ)",
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          "min": -0.3,
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          "name": "VCC",
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          "min": -0.3,
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        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Input voltage range after startup",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.8,
          "typ": null,
          "max": 36,
          "conditions": "After startup",
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          "name": "Output adjustment range (LM53600-Q1-ADJ)",
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          "name": "Load current range (LM53600-Q1)",
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          "name": "Operating junction temperature",
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          "name": "Initial output voltage accuracy",
          "symbol": "VFB",
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          "unit": "%",
          "min": -1,
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          "max": 1,
          "conditions": "Vin = 3.8 V to 36 V, Tj = 25°C, Open Loop",
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          "name": "Initial output voltage accuracy",
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          "name": "Minimum input voltage to operate (UVLO rising)",
          "symbol": "Vin_UVLO",
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          "name": "Minimum input voltage hysteresis",
          "symbol": "Vin_UVLO_hyst",
          "kind": "electrical",
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          "min": 0.2,
          "typ": 0.3,
          "max": 0.35,
          "conditions": "Hysteresis",
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        {
          "name": "RESET upper threshold voltage",
          "symbol": "Vreset_OV",
          "kind": "electrical",
          "unit": "%",
          "min": 105,
          "typ": 106.5,
          "max": 110,
          "conditions": "Rising, % of Vout",
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          "name": "RESET lower threshold voltage",
          "symbol": "Vreset_UV",
          "kind": "electrical",
          "unit": "%",
          "min": 92,
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          "conditions": "Falling, % Vout",
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        {
          "name": "Switching frequency (without spread spectrum)",
          "symbol": "Fsw",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1.89,
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          "max": 2.4,
          "conditions": "VIN = 13.5 V, Without spread spectrum, PWM operation",
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        {
          "name": "Sync frequency range",
          "symbol": "FSYNC",
          "kind": "electrical",
          "unit": "MHz",
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          "typ": 2.1,
          "max": 2.3,
          "conditions": "Output setting + 1 V < VIN < 18 V",
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          "name": "Sync input duty cycle range",
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          "kind": "electrical",
          "unit": "%",
          "min": 25,
          "typ": null,
          "max": 75,
          "conditions": "High state input < 5.5 V and > 2.3 V",
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        {
          "name": "High side switch current limit",
          "symbol": "IL_HS",
          "kind": "electrical",
          "unit": "A",
          "min": 1,
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          "max": 1.65,
          "conditions": "LM53600-Q1; duty cycle approaches 0%",
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          "name": "Low side switch current limit",
          "symbol": "IL_LS",
          "kind": "electrical",
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          "min": 0.65,
          "typ": 0.78,
          "max": 0.93,
          "conditions": "LM53600-Q1",
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        {
          "name": "Enable input threshold voltage - rising",
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          "min": 1.7,
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          "conditions": "Enable rising",
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          "name": "Enable threshold hysteresis",
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          "min": 0.4,
          "typ": null,
          "max": 0.55,
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        {
          "name": "Output voltage ADJ option (FPWM)",
          "symbol": "Vout_ADJ",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
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          "conditions": "VIN = VOUT + 0.6 V to 36 V, IOUT = 100 mA, FPWM mode",
          "source_page": 8,
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        {
          "name": "Output voltage ADJ option (Auto mode)",
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          "max": 2.5,
          "conditions": "VIN = VOUT + 0.6 V to 36 V, IOUT = 100 µA to 100 mA, Auto mode",
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        {
          "name": "Reference voltage for ADJ option",
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          "kind": "electrical",
          "unit": "V",
          "min": 0.993,
          "typ": 1,
          "max": 1.007,
          "conditions": "Tj = 25°C",
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          "name": "Reference voltage for ADJ option",
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          "name": "Thermal shutdown rising threshold",
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          "kind": "electrical",
          "unit": "°C",
          "min": 151,
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          "name": "Junction-to-ambient thermal resistance",
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          "name": "Junction-to-board thermal resistance",
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          "kind": "thermal",
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          "min": null,
          "typ": 20.9,
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          "conditions": "DSX (WSON) 10-pin",
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        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "φJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "DSX (WSON) 10-pin",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "φJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 21,
          "max": null,
          "conditions": "DSX (WSON) 10-pin",
          "source_page": 6,
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          "name": "Junction-to-case (bottom) thermal resistance",
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          "unit": "°C/W",
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