main
Ray Set visibility: public f5bc913 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "mst5a50bts-c",
  "title": "MST5A50BTS-C",
  "brief": "MST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "mst5a50bts-c",
    "factory-2.0.0",
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  "component": {
    "mpn": "MST5A50BTS-C",
    "manufacturer": "MST",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603349002520190976",
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    "distributor_links": {
      "lcsc": "C22395095"
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      "checked_at": "2026-10-17T02:50:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
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        "status": "no match"
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    "pins": [
      {
        "number": "1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output pin for the fixed 3.3 V or 5.0 V output (±2%), rated for up to 100 mA, with VOUT to GND limited to -0.3 V to 7 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, to which the input and output capacitors return; wide copper traces are required for both VIN and GND in the PCB layout."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input pin with an operating range of 4 V to 100 V and a VIN to GND absolute maximum of -0.3 V to 115 V, decoupled with a 1 µF ceramic capacitor placed close to the device (add R1 >1 Ω at the input when VIN ≥ 48 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "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 pin names and functions only (VOUT, GND, VIN); it does not state electrical pin ; The source is the family datasheet MST5AXXBTS-C (XX = 33 or 50). The MPN MST5A50BTS-C is not named e"
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        "cost_usd": 0.0288,
        "at": "2026-10-17T02:46:49"
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        "pages": 12,
        "sha256": "5778322a73bfdd9a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "MST",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5778322a73bfdd9afcbfc792ef1f9833f569331f81cad0a759042dd6d44898b3",
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          "name": "Output Voltage Tolerance (fixed 3.3V and 5.0V options)",
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          "kind": "tolerance",
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          "max": 2,
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          "name": "Operating input voltage",
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          "name": "Absolute max: VOUT to GND",
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        {
          "name": "Absolute max: VIN to VOUT",
          "symbol": "",
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          "min": -0.3,
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        {
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        {
          "name": "Storage temperature",
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          "conditions": "",
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        },
        {
          "name": "ESD Human Body Model (HBM)",
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          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "",
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        },
        {
          "name": "ESD Charged Device Model (CDM)",
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          "unit": "V",
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        {
          "name": "Power dissipation, SOT89",
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          "unit": "mW",
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        },
        {
          "name": "Recommended minimum output capacitance (ceramic, X5R or X7R)",
          "symbol": "COUT",
          "kind": "recommended_operating",
          "unit": "μF",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "ceramic capacitor recommended, temperature characteristic X5R or X7R",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Recommended input capacitance (ceramic)",
          "symbol": "CIN",
          "kind": "recommended_operating",
          "unit": "μF",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "ceramic capacitor recommended between VIN and GND; may be increased without limit",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature during normal operation",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
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          "conditions": "during normal operation",
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        {
          "name": "Quiescent current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "VIN=12V, No load",
          "source_page": 4,
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          "symbol": "IOUT_MAX",
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          "typ": 100,
          "max": null,
          "conditions": "VIN=VOUTNOM+1V",
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          "name": "Dropout voltage at 10mA",
          "symbol": "VDROP",
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          "unit": "mV",
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          "source_page": 4,
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        {
          "name": "Dropout voltage at 100mA",
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          "typ": 830,
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          "source": "datasheet"
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        {
          "name": "Load regulation",
          "symbol": "ΔVOUT/ΔIOUT",
          "kind": "electrical",
          "unit": "mV/mA",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VIN=7V, 1mA≤IOUT≤100mA",
          "source_page": 4,
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        {
          "name": "Line regulation",
          "symbol": "ΔVOUT/ΔVIN",
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          "min": null,
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          "conditions": "IOUT=1mA, 6V≤VIN≤1000V",
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          "name": "Current limit",
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          "typ": 240,
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          "name": "Short circuit current",
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          "unit": "mA",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VIN=12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temperature (shutdown)",
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          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 145,
          "max": null,
          "conditions": "Shutdown, temperature increasing",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temperature (reset)",
          "symbol": "TSHDN",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "Reset, temperature decreasing",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient, SOT89",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 130,
          "max": null,
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          "source_page": 3,
          "source": "datasheet"
        }
      ]
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  "discovery_pitch": "MST5A50BTS-C (MST) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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