MST5450BTE

{
  "schema_version": 1,
  "type": "component",
  "slug": "mst5450bte",
  "title": "MST5450BTE",
  "brief": "MST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. 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)",
    "mst5450bte",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MST5450BTE",
    "manufacturer": "MST",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757896119349731328",
    "parts": {
      "symbol": "mst5450bte.kicad_sym",
      "footprint": "mst5450bte.kicad_mod",
      "model_3d": "mst5450bte-hero.glb",
      "model_3d_plain": "mst5450bte.glb",
      "model_3d_step": "mst5450bte-etched.step",
      "model_3d_step_plain": "mst5450bte.step",
      "lbr": "mst5450bte.lbr"
    },
    "distributor_links": {
      "lcsc": "C2761429"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T17:39:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Chip ground pin; the PCB layout needs wide copper for both VIN and GND, and the input and output capacitors must sit as close to the device as possible."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output with fixed 1.8 V, 3.0 V, 3.3 V or 5.0 V versions (±2%) and up to 350 mA, requiring at least a 10 µF X5R/X7R ceramic output capacitor placed close to VOUT and GND; the datasheet's absolute maximum for VOUT to GND is 7 V."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input pin with a 3 V to 45 V operating range (45 V transient capability) that needs a 1 µF capacitor placed close to the chip between VIN and GND, and an electrolytic capacitor or a series resistor of at least 1 Ω is recommended for VIN of 18 V or higher."
      }
    ],
    "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 gives a SOT23-3 pin table with four variants (MST54XXBTE, -A, -B, -C) that assign GND/; The datasheet only lists the generic family placeholder MST54XXB. The '50' in MST5450 is read as the; The SOT23-3 pin table has no EN pin. EN appears only in the SOT23-5 pin table, so this package has n"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0438,
        "at": "2026-10-09T17:38:35"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757896119349731328",
        "pages": 14,
        "sha256": "4228e4a6a0aa11db",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mst5450bte.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mst5450bte-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c271e4ae569f141fc05ec40e65b3ecea4971478c76700a7c6ac402b2660a1f5d",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MST",
      "Package": "SOT-23",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mst5450bte"
  ],
  "discovery_pitch": "MST5450BTE (MST) 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",
    "mst5450bte.kicad_sym",
    "mst5450bte.kicad_mod",
    "mst5450bte.glb",
    "mst5450bte.step",
    "mst5450bte.lbr",
    "docs/hero.png",
    "docs/mst5450bte-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mst5450bte-hero.glb",
    "mst5450bte-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}