LM2576DP-ADJ

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2576dp-adj",
  "title": "LM2576DP-ADJ",
  "brief": "HTC Korea TAEJIN Tech DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2576dp-adj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2576DP-ADJ",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586199464797212672",
    "parts": {
      "symbol": "lm2576dp-adj.kicad_sym",
      "footprint": "lm2576dp-adj.kicad_mod",
      "model_3d": "lm2576dp-adj-hero.glb",
      "model_3d_plain": "lm2576dp-adj-etched.glb",
      "model_3d_step": "lm2576dp-adj-etched.step",
      "model_3d_step_plain": "lm2576dp-adj.step",
      "lbr": "lm2576dp-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C133113"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:43:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive input supply for the step-down regulator; a suitable input bypass capacitor must be present to minimize voltage transients, and the datasheet gives a 40 V operating supply maximum (45 V absolute maximum)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "output",
        "description": "Emitter of the internal output switch with a typical saturation voltage of 1.5 V; keep the PCB area on this pin to a minimum to reduce coupling into sensitive circuitry."
      },
      {
        "number": "3",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Senses the regulated output and closes the feedback loop; in the adjustable version it is the direct input of the error amplifier, with external R1/R2 setting Vout = Vref(1.0 + R2/R1) where Vref = 1.23 V."
      },
      {
        "number": "4",
        "name": "ON/OFF",
        "type": "input",
        "description": "Logic-level shutdown input: a voltage above the typical 1.4 V threshold (up to +Vin) turns the regulator off and reduces input supply current to about 80 µA, while a level below 1.4 V or an open pin keeps it on."
      },
      {
        "number": "5",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connect pin, not internally connected."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground pin; the exposed pad of the SOP8-PP package must also be externally connected to GND."
      },
      {
        "number": "7",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connect pin, not internally connected."
      },
      {
        "number": "8",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connect pin, not internally connected."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOP8-PP exposed thermal pad is not given a pin number in the datasheet pin table or pin diagram,; The pin table on page 3 has two number columns (TO-220/TO-263 and SOP8-PP) with the SOP8-PP column u; The ordering table lists LM2576DP-ADJ as SOP8-PP with status 'Contact Us' rather than 'Active'. The ",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0479,
        "at": "2026-10-17T23:41:44"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586199464797212672",
        "pages": 11,
        "sha256": "2acb3c8a94295de6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm2576dp-adj.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2576dp-adj-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d8c3b3afcc0e5b666c683e33f045e7136dcbf629dfa9ba357906ebcbad0e1d91",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTC Korea TAEJIN Tech",
      "Package": "ESOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2acb3c8a94295de6c7d1cd8964bfd42d83265195e25f20387587ebf4aad637ab",
      "rows": [
        {
          "name": "Feedback Voltage (Vin=12V, ILOAD=0.5A, TJ=25℃)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 1.217,
          "typ": 1.23,
          "max": 1.243,
          "conditions": "Vin=12V, ILOAD=0.5A, TJ=25℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage (TJ=25℃)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 1.193,
          "typ": 1.23,
          "max": 1.267,
          "conditions": "8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A, Vout=5.0V, TJ=25℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Feedback Voltage (TJ=-40 to +125℃)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 1.18,
          "typ": null,
          "max": 1.28,
          "conditions": "8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A, Vout=5.0V, TJ=-40 to +125℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Feedback Bias Current (TJ=-40 to +125℃)",
          "symbol": "Ib",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Vout=5.0V, TJ=-40 to +125℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Feedback Bias Current (TJ=25℃)",
          "symbol": "Ib",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 25,
          "max": 100,
          "conditions": "Vout=5.0V, TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency (TJ=0 to +125℃)",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 47,
          "typ": null,
          "max": 58,
          "conditions": "TJ=0 to +125℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency (TJ=-40 to +125℃)",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 42,
          "typ": null,
          "max": 63,
          "conditions": "TJ=-40 to +125℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency (TJ=25℃)",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 52,
          "max": null,
          "conditions": "TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Saturation Voltage (TJ=-40 to +125℃)",
          "symbol": "VSAT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "Iout=3.0A, TJ=-40 to +125℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Saturation Voltage (TJ=25℃)",
          "symbol": "VSAT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.5,
          "max": 1.8,
          "conditions": "Iout=3.0A, TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Max Duty Cycle (\"0\")",
          "symbol": "DC",
          "kind": "electrical",
          "unit": "%",
          "min": 94,
          "typ": 98,
          "max": null,
          "conditions": "Note 5",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Current Limit (Peak Current) (TJ=25℃)",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 4.2,
          "typ": 5.8,
          "max": 6.9,
          "conditions": "TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Current Limit (Peak Current) (TJ=-40 to +125℃)",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": null,
          "max": 7.5,
          "conditions": "TJ=-40 to +125℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current (Output = 0V, TJ=25℃)",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.8,
          "max": 50,
          "conditions": "Output = 0V, TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output Leakage Current (Output = -1.0V, TJ=25℃)",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6,
          "max": 30,
          "conditions": "Output = -1.0V, TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current (TJ=25℃)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 9,
          "conditions": "TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current (TJ=-40 to +125℃)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 11,
          "conditions": "TJ=-40 to +125℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Standby Quiescent Current (ON/OFF Pin = 5.0V (\"off\"), TJ=25℃)",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 80,
          "max": 200,
          "conditions": "ON/OFF Pin = 5.0V (\"off\"), TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Standby Quiescent Current (ON/OFF Pin = 5.0V (\"off\"), TJ=-40 to +125℃)",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "ON/OFF Pin = 5.0V (\"off\"), TJ=-40 to +125℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Logic Input Level VIH (Vout=0V, TJ=25℃)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 2.4,
          "max": null,
          "conditions": "Vout=0V, TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Logic Input Level VIH (Vout=0V, TJ=-40 to +125℃)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": null,
          "conditions": "Vout=0V, TJ=-40 to +125℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Logic Input Level VIL (Vout=Nominal, TJ=25℃)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1,
          "conditions": "Vout=Nominal Output Voltage, TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Logic Input Level VIL (Vout=Nominal, TJ=-40 to +125℃)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "Vout=Nominal Output Voltage, TJ=-40 to +125℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Input Current IIH (ON/OFF Pin = 5.0V, Regulator OFF, TJ=25℃)",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 15,
          "max": 30,
          "conditions": "ON/OFF Pin = 5.0V (Regulator OFF), TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Input Current IIL (ON/OFF Pin = 0V, Regulator ON, TJ=25℃)",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0,
          "max": 0.5,
          "conditions": "ON/OFF Pin = 0V (Regulator ON), TJ=25℃",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Efficiency (Vout=5.0V)",
          "symbol": "η",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 77,
          "max": null,
          "conditions": "Vin=12V, ILOAD=3.0A, Vout=5.0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Supply Voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "On/Off Pin Input Voltage",
          "symbol": "-",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-0.3V ≤ V ≤ +Vin",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage to Ground (Steady-State)",
          "symbol": "-",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "Steady-State",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum ESD Rating (Human Body Model)",
          "symbol": "-",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "Human Body Model: C=100 pF, R=1.5kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 10 seconds)",
          "symbol": "-",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 seconds",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "Vin",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2576dp-adj"
  ],
  "discovery_pitch": "LM2576DP-ADJ (HTC Korea TAEJIN Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2576dp-adj.kicad_sym",
    "lm2576dp-adj.kicad_mod",
    "lm2576dp-adj.glb",
    "lm2576dp-adj.step",
    "lm2576dp-adj.lbr",
    "docs/hero.png",
    "docs/lm2576dp-adj-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2576dp-adj-hero.glb",
    "lm2576dp-adj-hero.overlay.json",
    "lm2576dp-adj-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}