LM2575HVS-12

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  "slug": "lm2575hvs-12",
  "title": "LM2575HVS-12",
  "brief": "UMW DC-DC Converters, TO-263-5. 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": "LM2575HVS-12",
    "manufacturer": "UMW",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
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      "lbr": "lm2575hvs-12.lbr"
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    "distributor_links": {
      "lcsc": "C347430"
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      "checked_at": "2026-10-18T09:43:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
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    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive input supply for the switcher; a suitable low-ESR input bypass capacitor must be placed close to this pin to limit voltage transients and supply the switching currents, with supply limits of 40V for LM2575 and 60V for LM2575HV."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Internal switch output that swings between (VIN - VSAT) and approximately -0.5V at a duty cycle of about VOUT/VIN, so its PCB copper area should be kept to a minimum to reduce coupling to sensitive circuitry."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground and common return for the regulator, which must be connected to the input and output capacitor grounds."
      },
      {
        "number": "4",
        "name": "Feedback",
        "type": "input",
        "description": "Senses the regulated output voltage to close the feedback loop; for the adjustable version the feedback resistor divider R1/R2 is referenced to VREF = 1.23V."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Logic-level shutdown input that turns the regulator on when pulled below about 1.3V and shuts it down when pulled above 1.3V up to a maximum of 25V; leaving it open or tying it to ground keeps the regulator on."
      },
      {
        "number": "6",
        "name": "EP",
        "type": "passive",
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          "exposed pad 6 added from the footprint",
          "1/6 pins cited to the wrong page (name found elsewhere): ['3:GND@p18']"
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        "described": 6,
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  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "TO-263-5",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "appearance": {
      "contacts": {
        "quote": "leads soldered to a printed circuit board with (1 oz.) copper area of approximately 1 in2",
        "page": 8,
        "doc": "ds.pdf",
        "material": "copper"
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          "typ": 12,
          "max": 12.6,
          "conditions": "Typ: VIN=25V, ILOAD=2A. Limits: 15V≤VIN≤40V, 60V(HV), 0.2A≤ILOAD≤2A",
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          "name": "Oscillator frequency",
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          "name": "Standby quiescent current",
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          "kind": "electrical",
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          "conditions": "ON/OFF pin=5V (OFF)",
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          "name": "Maximum supply voltage (LM2575HV)",
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        {
          "name": "ON/OFF pin input voltage",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-0.3 ≤ V ≤ +VIN",
          "source_page": 4,
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        {
          "name": "Output voltage to ground (steady state)",
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        {
          "name": "Storage temperature range",
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          "unit": "°C",
          "min": -65,
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          "min": null,
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          "source_page": 7,
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          "name": "Thermal resistance, junction to ambient (TO-263)",
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          "kind": "thermal",
          "unit": "°C/W",
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          "typ": 30,
          "max": null,
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          "name": "Thermal resistance, junction to ambient (TO-263)",
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