LM2575HVR-ADJ

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  "type": "component",
  "slug": "lm2575hvr-adj",
  "title": "LM2575HVR-ADJ",
  "brief": "HTC Korea TAEJIN Tech DC-DC Converters, TO-263-5L. 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 ics",
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  "component": {
    "mpn": "LM2575HVR-ADJ",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "TO-263-5L",
    "pin_count": 6,
    "category": "Power Management ICs",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/19a2516672f82da8b7bea9455b346b2a.pdf",
    "parts": {
      "symbol": "lm2575hvr-adj.kicad_sym",
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      "lbr": "lm2575hvr-adj.lbr"
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    "distributor_links": {
      "lcsc": "C481676"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 884 calls left today"
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      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin; operating supply voltage up to 60V (absolute maximum 63V)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "output",
        "description": "Switch output voltage pin of the regulator, with steady-state output voltage to ground of -0.75V minimum."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; single-point grounding or a ground plane should be used for best results."
      },
      {
        "number": "4",
        "name": "FB/ADJ",
        "type": "input",
        "description": "Output voltage feedback or output adjust pin; on the adjustable version the feedback voltage is 1.23V typical and R1 should be between 1kΩ and 5kΩ."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Shutdown control pin; ON/OFF pin voltage range is -0.3V to VIN, with 5V on the pin turning the regulator off into a standby mode of 50uA typical."
      },
      {
        "number": "6",
        "name": "EP",
        "type": "passive",
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        "at": "2026-10-23T18:24:17"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15,
          10,
          4.42
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "HTC Korea TAEJIN Tech",
      "Package": "TO-263-5L",
      "Category": "Power Management ICs",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
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          "name": "Input Supply Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 63,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "ON/OFF Pin Input Voltage",
          "symbol": "VON/OFF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max printed as + VIN",
          "source_page": 1,
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        },
        {
          "name": "Output Voltage to Ground (Steady State)",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.75,
          "typ": null,
          "max": null,
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        },
        {
          "name": "Lead Temperature",
          "symbol": "TSOL",
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          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 5 sec",
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        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJOPR",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Supply Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
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          "max": 60,
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        {
          "name": "Temperature Range",
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          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
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        },
        {
          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.217,
          "typ": 1.23,
          "max": 1.243,
          "conditions": "LM2575HV-ADJ, VIN=12V, ILOAD=0.5A",
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        },
        {
          "name": "Feedback Voltage (over line and load)",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.18,
          "typ": 1.23,
          "max": 1.286,
          "conditions": "0.5A ≤ ILOAD ≤ 1A, 8V ≤ VIN ≤ 55V, full temperature range",
          "source_page": 4,
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        },
        {
          "name": "Efficiency",
          "symbol": "η",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 77,
          "max": null,
          "conditions": "LM2575HV-ADJ, VIN=12V, ILOAD=1A, Vo=5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback Bias Current",
          "symbol": "Ib",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 50,
          "max": 500,
          "conditions": "VO=5V (Adjustable Version Only), max over full temperature range (100 at 25°C)",
          "source_page": 4,
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        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fO",
          "kind": "electrical",
          "unit": "KHZ",
          "min": 47,
          "typ": 52,
          "max": 58,
          "conditions": "Note 8, TJ=25°C",
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          "symbol": "fO",
          "kind": "electrical",
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          "typ": 52,
          "max": 63,
          "conditions": "Note 8, full temperature range",
          "source_page": 4,
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        {
          "name": "Saturation Voltage",
          "symbol": "VSAT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.4,
          "max": 1.7,
          "conditions": "IO=1A (Note 4), max over full temperature range (1.55 at 25°C)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Max Duty Cycle (ON)",
          "symbol": "DC",
          "kind": "electrical",
          "unit": "%",
          "min": 93,
          "typ": 98,
          "max": null,
          "conditions": "Note 5",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 4.2,
          "typ": 5.8,
          "max": 6.9,
          "conditions": "Notes 4, 8, TJ=25°C",
          "source_page": 4,
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        {
          "name": "Current Limit (full temperature range)",
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          "kind": "electrical",
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          "min": 3.5,
          "typ": 5.8,
          "max": 7.5,
          "conditions": "Notes 4, 8, full temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 7.5,
          "conditions": "Notes 6, 7, Output=0V",
          "source_page": 5,
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        {
          "name": "Quiescent Current",
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          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "Note 6",
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        {
          "name": "Standby Quiescent Current",
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          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 50,
          "max": 200,
          "conditions": "ON/OFF Pin=5V (OFF), VIN=60V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Logic Input Level High",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": 1.4,
          "max": null,
          "conditions": "VO=0V",
          "source_page": 5,
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        {
          "name": "ON/OFF Pin Logic Input Level Low",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 0.8,
          "conditions": "VO=Nominal Output Voltage",
          "source_page": 5,
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        {
          "name": "ON/OFF Pin Input Current High",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 12,
          "max": 30,
          "conditions": "ON/OFF Pin=5V (OFF)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Input Current Low",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0,
          "max": 10,
          "conditions": "ON/OFF Pin=0V (ON)",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
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