LM2575SX-ADJ

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2575sx-adj",
  "title": "LM2575SX-ADJ",
  "brief": "Texas Instruments DC-DC Converters, TO-263-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2575sx-adj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2575SX-ADJ",
    "manufacturer": "Texas Instruments",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2575hv",
    "parts": {
      "symbol": "lm2575sx-adj.kicad_sym",
      "footprint": "lm2575sx-adj.kicad_mod",
      "model_3d": "lm2575sx-adj-etched.glb",
      "model_3d_plain": "lm2575sx-adj.glb",
      "model_3d_step": "lm2575sx-adj-etched.step",
      "model_3d_step_plain": "lm2575sx-adj.step",
      "lbr": "lm2575sx-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C85292"
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated DC input supply to the regulator; operating supply voltage range is up to 40V (Operating Ratings) with an absolute maximum of 45V for the LM2575, and a minimum 47µF electrolytic bypass capacitor located near this pin and the ground pin is required for stable operation."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "output",
        "description": "Internal power-switch output pin that drives the external catch diode/inductor network; provides cycle-by-cycle current limiting with a 2.2A typical (1.7A-3.0A limit range) peak switch current, 0.9V typical (1.2V/1.4V max) saturation voltage at 1A, and a steady-state output-to-ground voltage limited to −1V minimum per the Absolute Maximum Ratings."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground return pin providing the common low-impedance ground reference for the regulator; for the equivalent 5-lead TO-220 package the datasheet states this pin and the package tab are both ground and part of the same copper lead frame, so either connection may be used."
      },
      {
        "number": "4",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Feedback input to the internal error amplifier; for the Adjustable version it must be connected to the external R1/R2 resistor divider (R1 between 1kΩ and 5kΩ) that sets VOUT, referenced to a 1.230V typical feedback voltage (1.180V-1.286V over line/load/temperature limits) with 50nA typical (up to 500nA max) bias current, and should be routed with short traces located near the regulator to avoid noise pickup."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "TTL/CMOS-compatible shutdown control input; ground or drive low (typically below 1.6V, VIL max 1.0V/0.8V) for normal ON operation, or drive high (VIH min 1.4V/2.2V-2.4V) to place the device in low-power standby mode drawing 50µA typical (200µA/500µA max) standby quiescent current; this pin can be pulled up to +VIN without a series resistor and must not be 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 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package diagram details: Figure 7 (page 3) shows the DDPAK/TO-263 package pinout, but the actual fig; Test circuits reference different package: The test circuits in Figures 25-26 (pages 12-13) explicit",
          "exposed pad 6 added from the footprint",
          "2/6 pins cited to the wrong page (name found elsewhere): ['2:GND@p3', '5:GND@p3']",
          "1/6 pin names appear NOWHERE in the datasheet text: ['4:FB@p3']"
        ],
        "pages_sent": 46,
        "cost_usd": 0.4859,
        "at": "2026-09-23T22:04:19"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2575hv",
        "pages": 46,
        "sha256": "67d18983ac3edb34",
        "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": "lm2575sx-adj.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2575sx-adj-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ffa0cf4d185fba2948d7954da46e8bde67ac8e9ef4ccccc67d358a915112bb0f",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TO-263-5",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2575sx-adj"
  ],
  "discovery_pitch": "LM2575SX-ADJ (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2575sx-adj.kicad_sym",
    "lm2575sx-adj.kicad_mod",
    "lm2575sx-adj.glb",
    "lm2575sx-adj.step",
    "lm2575sx-adj.lbr",
    "docs/hero.png",
    "docs/lm2575sx-adj-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  }
}