main
Ray Set visibility: public 9430d4b 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2596s-3-3rg",
  "title": "LM2596S-3.3RG",
  "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)",
    "lm2596s-3.3rg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2596S-3.3RG",
    "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/8757279832714043392",
    "parts": {
      "symbol": "lm2596s-3-3rg.kicad_sym",
      "footprint": "lm2596s-3-3rg.kicad_mod",
      "model_3d": "lm2596s-3-3rg-hero.glb",
      "model_3d_plain": "lm2596s-3-3rg-etched.glb",
      "model_3d_step": "lm2596s-3-3rg-etched.step",
      "model_3d_step_plain": "lm2596s-3-3rg.step",
      "lbr": "lm2596s-3-3rg.lbr"
    },
    "distributor_links": {
      "lcsc": "C5189649"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:53:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input pin requiring a DC supply of 4.5V to 40V (57V for the HV variant), with a large-value capacitor between this pin and ground to suppress supply noise."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "output",
        "description": "Power switch output pin that acts as the switching node supplying the output load."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that should be routed on the layout away from the Schottky diode output point so that switching current spikes do not couple noise into the supply."
      },
      {
        "number": "4",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Voltage feedback pin that senses the output through an external resistor divider and regulates it, with a threshold voltage of 1.23V."
      },
      {
        "number": "5",
        "name": "ON_OFF",
        "type": "input",
        "description": "Enable pin: a low level (up to 0.8V) turns the regulator on and a high level (at least 1.4V) shuts it off, and the pin defaults to low when left floating."
      },
      {
        "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-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 datasheet pin table lists FEEDBACK as type I/O; I classified it as input because it functions as; The datasheet has no TO-263-5-specific pin diagram; the pin diagram on page 5 is for SOP-8/ESOP-8 on",
          "exposed pad 6 added from the footprint"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0545,
        "at": "2026-10-19T03:53:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757279832714043392",
        "pages": 14,
        "sha256": "1d030bc28ae7c67a",
        "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": "lm2596s-3-3rg.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2596s-3-3rg-etched.step",
        "role": "eda",
        "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": "3ca20163878774684d139e3bf0ad6a95b29d04ead65fdb8cdb4ca83b6c5c5663",
        "checked": "2026-10-19",
        "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": "1d030bc28ae7c67a41f759d4d5a50dde71aad7c259e588103787f8684d6ad645",
      "rows": [
        {
          "name": "Output voltage regulation (LM2596-3.3)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 3.168,
          "typ": 3.3,
          "max": 3.432,
          "conditions": "VIN=4.75V~40V, ILOAD=0.2A~3A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Efficiency",
          "symbol": "Ƞ",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 73,
          "max": null,
          "conditions": "VIN=12V,VOUT=5V, ILOAD=3A",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input operating voltage (LM2596)",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Standby current",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 80,
          "max": 200,
          "conditions": "VON_OFF=5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent operating current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 10,
          "conditions": "VON_OFF=0V, VFB=VIN",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 127,
          "typ": 150,
          "max": 173,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current limit",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "A",
          "min": 3.6,
          "typ": 4.8,
          "max": 6.9,
          "conditions": "VFB=0",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF pin threshold voltage, control off (high)",
          "symbol": "VON_OFF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.4,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF pin threshold voltage, control on (low)",
          "symbol": "VON_OFF",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF pin input current, high (OFF)",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": 30,
          "conditions": "VON_OFF=2.5V(OFF)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF pin input current, low (ON)",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.2,
          "max": 10,
          "conditions": "VON_OFF=0.5V(ON)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Saturation voltage",
          "symbol": "VCE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": 1.5,
          "conditions": "VFB=0V, LOUT=3A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle",
          "symbol": "DMAX",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "CFB=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance junction to ambient (no heatsink, TO220/TO263 package)",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "无散热片 (no heatsink), TO220/TO263 封装",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage, recommended (LM2596)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input supply voltage (LM2596), absolute maximum",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Feedback pin voltage, absolute maximum",
          "symbol": "VFB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF pin voltage, absolute maximum",
          "symbol": "VON_OFF",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power transistor output pin voltage, absolute maximum",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature, absolute maximum",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Lead soldering temperature",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 245,
          "conditions": "10S",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD capability (human body model)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "人体放电模式 (HBM)",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2596s-3.3rg"
  ],
  "discovery_pitch": "LM2596S-3.3RG (HANSCHIP semiconductor) 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",
    "lm2596s-3-3rg.kicad_sym",
    "lm2596s-3-3rg.kicad_mod",
    "lm2596s-3-3rg.glb",
    "lm2596s-3-3rg.step",
    "lm2596s-3-3rg.lbr",
    "docs/hero.png",
    "docs/lm2596s-3-3rg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2596s-3-3rg-hero.glb",
    "lm2596s-3-3rg-hero.overlay.json",
    "lm2596s-3-3rg-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}