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Ray Set visibility: public 61a3ecf 17d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lt1963aest-3-3-trpbf",
  "title": "LT1963AEST-3.3#TRPBF",
  "brief": "Analog Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lt1963aest-3.3#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LT1963AEST-3.3#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "SOT-223-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893248517914624",
    "parts": {
      "symbol": "lt1963aest-3-3-trpbf.kicad_sym",
      "footprint": "lt1963aest-3-3-trpbf.kicad_mod",
      "model_3d": "lt1963aest-3-3-trpbf-hero.glb",
      "model_3d_plain": "lt1963aest-3-3-trpbf-etched.glb",
      "model_3d_step": "lt1963aest-3-3-trpbf-etched.step",
      "model_3d_step_plain": "lt1963aest-3-3-trpbf.step",
      "lbr": "lt1963aest-3-3-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C459918",
      "digikey": "505-LT1963AEST-3.3#TRPBFTR-ND",
      "mouser": "584-1963AEST-3.3TPF"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:31:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LT1963AEST-3.3#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-1963AEST-3.3TPF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin that powers the regulator; a 1µF to 10µF bypass capacitor is advised when the device is more than six inches from the main input filter capacitor, and the IN pin voltage absolute maximum is ±20V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin, also connected to the exposed tab; the datasheet gives no separate pin-function description for GND."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output that supplies the load and requires a minimum 10µF output capacitor to prevent oscillations, with an OUT pin voltage absolute maximum of ±20V."
      }
    ],
    "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 SOT-223 front-view drawing is garbled in text extraction. Pin numbers were mapped from the print; The TAB is labelled 'TAB IS GND' in the drawing but is not a numbered pin on this 3-lead package, so; The datasheet's Pin Functions section (page 13) has no description for GND, so the GND description i"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0624,
        "at": "2026-10-18T02:29:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893248517914624",
        "pages": 28,
        "sha256": "a826955aaff1605b",
        "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": "lt1963aest-3-3-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.5,
          1.7
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt1963aest-3-3-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f80f395e1125cd968eddcf94e3b83d1958a6ec94d59f38a6f7624a838dbb3c0b",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOT-223-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "appearance": {
      "contacts": {
        "quote": "Table 3. Q Package, 5-Lead DD COPPER AREA THERMAL RESISTANCE",
        "page": 19,
        "doc": "ds.pdf",
        "material": "COPPER"
      },
      "version": 1,
      "datasheet_sha256": "a826955aaff1605ba757cfa08cdca062f5105753ae5345ce5702d083c724d5c1"
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    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a826955aaff1605ba757cfa08cdca062f5105753ae5345ce5702d083c724d5c1",
      "rows": [
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          "name": "Regulated Output Voltage (LT1963A-3.3, 25°C)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 3.25,
          "typ": 3.3,
          "max": 3.35,
          "conditions": "VIN = 3.8V, ILOAD = 1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Regulated Output Voltage (LT1963A-3.3, full operating temperature range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 3.2,
          "typ": 3.3,
          "max": 3.4,
          "conditions": "4.3V < VIN < 20V, 1mA < ILOAD < 1.5A; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum Input Voltage (full operating temperature range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.1,
          "max": 2.5,
          "conditions": "ILOAD = 1.5A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation (LT1963A-3.3)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 3.5,
          "max": 10,
          "conditions": "ΔVIN = 3.8V to 20V, ILOAD = 1mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (LT1963A-3.3, 25°C)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 3,
          "max": 20,
          "conditions": "VIN = 4.3V, ΔILOAD = 1mA to 1.5A",
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        {
          "name": "Load Regulation (LT1963A-3.3, full operating temperature range)",
          "symbol": "",
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          "typ": null,
          "max": 35,
          "conditions": "VIN = 4.3V, ΔILOAD = 1mA to 1.5A; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Dropout Voltage (25°C)",
          "symbol": "",
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          "max": 0.06,
          "conditions": "VIN = VOUT(NOMINAL), ILOAD = 1mA",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Dropout Voltage (full operating temperature range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VIN = VOUT(NOMINAL), ILOAD = 1mA; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (25°C)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": 0.17,
          "conditions": "VIN = VOUT(NOMINAL), ILOAD = 100mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (full operating temperature range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.22,
          "conditions": "VIN = VOUT(NOMINAL), ILOAD = 100mA; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (25°C)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.19,
          "max": 0.27,
          "conditions": "VIN = VOUT(NOMINAL), ILOAD = 500mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (full operating temperature range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.35,
          "conditions": "VIN = VOUT(NOMINAL), ILOAD = 500mA; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (25°C)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.34,
          "max": 0.45,
          "conditions": "VIN = VOUT(NOMINAL), ILOAD = 1.5A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (full operating temperature range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.55,
          "conditions": "VIN = VOUT(NOMINAL), ILOAD = 1.5A; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 1.5,
          "conditions": "VIN = VOUT(NOMINAL) + 1V, ILOAD = 0mA; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.1,
          "max": 1.6,
          "conditions": "VIN = VOUT(NOMINAL) + 1V, ILOAD = 1mA; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.8,
          "max": 5.5,
          "conditions": "VIN = VOUT(NOMINAL) + 1V, ILOAD = 100mA; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 15,
          "max": 25,
          "conditions": "VIN = VOUT(NOMINAL) + 1V, ILOAD = 500mA; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 80,
          "max": 120,
          "conditions": "VIN = VOUT(NOMINAL) + 1V, ILOAD = 1.5A; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Threshold (VOUT Off to On)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.25,
          "typ": null,
          "max": 0.9,
          "conditions": "VOUT = Off to On; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Threshold (VOUT On to Off)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.75,
          "typ": null,
          "max": 2,
          "conditions": "VOUT = On to Off; full operating temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SHDN Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VSHDN = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SHDN Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 3,
          "max": 30,
          "conditions": "VSHDN = 20V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current in Shutdown",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VIN = 6V, VSHDN = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 55,
          "typ": 63,
          "max": null,
          "conditions": "VIN – VOUT = 1.5V (Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 0.75A",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Current Limit (full operating temperature range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 1.6,
          "typ": null,
          "max": null,
          "conditions": "VIN = VOUT(NOMINAL) + 1V, ΔVOUT = –0.1V; full operating temperature range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Current Limit (25°C)",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "VIN = 7V, VOUT = 0V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Reverse Leakage Current (ST package)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "ST Package, VIN = –20V, VOUT = 0; full operating temperature range",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Reverse Output Current (LT1963A-3.3)",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 600,
          "max": 1200,
          "conditions": "VOUT = 3.3V, VIN < 3.3V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "IN Pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "OUT Pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input to Output Differential Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "Note 2",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SENSE Pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SHDN Pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range (LT1963AE)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Note 3",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Soldering, 10 sec",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature (ST package)",
          "symbol": "TJMAX",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "SOT-223 (ST) package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (ST package, pin configuration)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "SOT-223 (ST) package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (SOT-223)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 42,
          "max": null,
          "conditions": "Topside 2500mm2, backside 2500mm2, board area 2500mm2",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (SOT-223)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "Topside 225mm2, backside 2500mm2, board area 2500mm2",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient (SOT-223)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
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