main
Ray Set visibility: public d31b594 6h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2576s-adjrg",
  "title": "LM2576S-ADJRG",
  "brief": "HANSCHIP semiconductor 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": [
    "component",
    "power management (pmic)",
    "lm2576s-adjrg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2576S-ADJRG",
    "manufacturer": "HANSCHIP semiconductor",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757279824383750144",
    "parts": {
      "symbol": "lm2576s-adjrg.kicad_sym",
      "footprint": "lm2576s-adjrg.kicad_mod",
      "model_3d": "lm2576s-adjrg-hero.glb",
      "model_3d_plain": "lm2576s-adjrg-etched.glb",
      "model_3d_step": "lm2576s-adjrg-etched.step",
      "model_3d_step_plain": "lm2576s-adjrg.step",
      "lbr": "lm2576s-adjrg.lbr"
    },
    "distributor_links": {
      "lcsc": "C2977099"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T13:17:29Z",
      "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": "Unregulated supply input; maximum 40 V for LM2576 and 55 V for LM2576HV."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Switch output of the regulator; output voltage to ground (steady state) is limited to -1 V."
      },
      {
        "number": "3",
        "name": "Ground",
        "type": "power_in",
        "description": "Ground pin; the package tab is also ground."
      },
      {
        "number": "4",
        "name": "Feedback",
        "type": "input",
        "description": "Feedback input for the adjustable version with a 1.23 V reference, with bias current typically 50 nA."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Active-low shutdown input, TTL compatible, with 50 uA typical standby current and input range -0.3 V to VIN."
      },
      {
        "number": "6",
        "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-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin-function text comes from the pin labels in the drawing and from the electrical tables, becau",
          "exposed pad 6 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.3274,
        "at": "2026-10-18T13:15:05"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757279824383750144",
        "pages": 13,
        "sha256": "49a38e15b1d76c58",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm2576s-adjrg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15,
          10,
          4.42
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2576s-adjrg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          10,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "76dfae610eb8e29ec8d7c105d4dd8c36ace312f6bd0c81ecd1dba32fa4fd41c1",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HANSCHIP semiconductor",
      "Package": "TO-263-5",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "49a38e15b1d76c58f06e5ad7868420e936b36c78cf517a73e0df31a7b31bcc99",
      "rows": [
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          "name": "Output voltage (adjustable, VIN=12V, Iload=0.5A)",
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          "kind": "electrical",
          "unit": "V",
          "min": 1.217,
          "typ": 1.23,
          "max": 1.243,
          "conditions": "VIN = 12V, I load = 0.5A, VOUT = 5V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (LM2576, 25°C)",
          "symbol": "VOUT",
          "kind": "electrical",
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          "min": 1.193,
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          "conditions": "8V ≤ VIN ≤ 40V, 0.5A ≤ I load ≤ 3A, VOUT = 5V; TJ=25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output voltage (LM2576, full operating junction temperature range)",
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          "min": 1.18,
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          "conditions": "8V ≤ VIN ≤ 40V, 0.5A ≤ I load ≤ 3A, VOUT = 5V; full operating junction temperature range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Feedback bias current (25°C)",
          "symbol": "Ib",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "VOUT = 5V (adjustable models only); TJ=25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Feedback bias current (full temperature range)",
          "symbol": "Ib",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 50,
          "max": 500,
          "conditions": "VOUT = 5V (adjustable models only); full operating junction temperature range",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency (25°C)",
          "symbol": "fO",
          "kind": "electrical",
          "unit": "kHz",
          "min": 47,
          "typ": 52,
          "max": 58,
          "conditions": "note 11; TJ=25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency (full temperature range)",
          "symbol": "fO",
          "kind": "electrical",
          "unit": "kHz",
          "min": 42,
          "typ": 52,
          "max": 63,
          "conditions": "note 11; full operating junction temperature range",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Saturation voltage (25°C)",
          "symbol": "VSAT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.4,
          "max": 1.8,
          "conditions": "IOUT = 3A (note 4); TJ=25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Saturation voltage (full temperature range)",
          "symbol": "VSAT",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.4,
          "max": 2,
          "conditions": "IOUT = 3A (note 4); full operating junction temperature range",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Duty cycle, maximum (on)",
          "symbol": "DC",
          "kind": "electrical",
          "unit": "%",
          "min": 93,
          "typ": 98,
          "max": null,
          "conditions": "note 5: feedback pin disconnected from output and tied to 0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Current limit (25°C)",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 4.2,
          "typ": 5.8,
          "max": 6.9,
          "conditions": "notes 4, 11; TJ=25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Current limit (full temperature range)",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 3.5,
          "typ": 5.8,
          "max": 7.5,
          "conditions": "notes 4, 11; full operating junction temperature range",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 10,
          "conditions": "note 6",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Standby quiescent current",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 50,
          "max": 200,
          "conditions": "ON/OFF pin = 5V (OFF)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control logic input level high (25°C)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 1.4,
          "max": null,
          "conditions": "VOUT = 0V; TJ=25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control logic input level high (full temperature range)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": 1.4,
          "max": null,
          "conditions": "VOUT = 0V; full operating junction temperature range",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control logic input level low (25°C)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 1,
          "conditions": "VOUT = nominal input voltage; TJ=25°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control logic input level low (full temperature range)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": 0.8,
          "conditions": "VOUT = nominal input voltage; full operating junction temperature range",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control input current high",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 12,
          "max": 30,
          "conditions": "ON/OFF control = 5V (OFF)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF control input current low",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0,
          "max": 10,
          "conditions": "ON/OFF control = 0V (ON)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Absolute maximum supply voltage LM2576",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "LM2576 (non-HV)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF pin input voltage",
          "symbol": "VON_OFF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-0.3 ≤ V ≤ +VIN (upper limit printed as +VIN)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage to ground (steady state)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "steady state, to ground",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD rating",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "C = 100 pF, R = 1.5 kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature (soldering)",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 245,
          "conditions": "10 s soldering",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage LM2576 (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "LM2576 (non-HV)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient (TO-263)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 42.6,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case (top) (TO-263)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 43.3,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to board (TO-263)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 22.4,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter (TO-263)",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10.7,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter (TO-263)",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 21.3,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case (bottom) (TO-263)",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "TO-263 package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient (S package)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "S package (TO-263); 0.5 sq in copper area (note 10)",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2576s-adjrg"
  ],
  "discovery_pitch": "LM2576S-ADJRG (HANSCHIP semiconductor) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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