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Ray Set visibility: public 91f639c 7d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lt3042hdd-trpbf",
  "title": "LT3042HDD#TRPBF",
  "brief": "Analog Devices Linear Voltage Regulators (LDO), TDFN-10-EP(3x3). 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 ics",
    "lt3042hdd#trpbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LT3042HDD#TRPBF",
    "manufacturer": "Analog Devices",
    "package": "TDFN-10-EP(3x3)",
    "pin_count": 11,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/3042fb.pdf",
    "parts": {
      "symbol": "lt3042hdd-trpbf.kicad_sym",
      "footprint": "lt3042hdd-trpbf.kicad_mod",
      "model_3d": "lt3042hdd-trpbf-hero.glb",
      "model_3d_plain": "lt3042hdd-trpbf-etched.glb",
      "model_3d_step": "lt3042hdd-trpbf-etched.step",
      "model_3d_step_plain": "lt3042hdd-trpbf.step",
      "lbr": "lt3042hdd-trpbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C666564",
      "digikey": "LT3042HDD#TRPBFTR-ND",
      "mouser": "584-LT3042HDD#TRPBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T18:40:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT3042HDD#TRPBFTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3042HDD#TRPBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin (shared with pin 2) requiring a bypass capacitor, typically 4.7µF; withstands reverse voltages with respect to GND, OUTS and OUT, and absolute maximum is ±22V."
      },
      {
        "number": "2",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin (shared with pin 1) requiring a bypass capacitor, typically 4.7µF; withstands reverse voltages with respect to GND, OUTS and OUT, and absolute maximum is ±22V."
      },
      {
        "number": "3",
        "name": "EN/UV",
        "type": "input",
        "description": "Enable/UVLO pin that turns on above 1.24V rising with 170mV hysteresis, shuts down below that with <1µA quiescent current, can set a UVLO via resistor divider, and must be tied to IN if unused, never floated."
      },
      {
        "number": "4",
        "name": "PG",
        "type": "output",
        "description": "Open-collector power good flag that pulls low if PGFB is below 300mV; float if unused and do not drive more than 0.3V below GND."
      },
      {
        "number": "5",
        "name": "ILIM",
        "type": "passive",
        "description": "Current limit programming pin where a resistor to GND sets the limit with a 125mA•kΩ scale factor, sources current proportional (1:400) to output current with 0V to 300mV monitoring range, and is tied to GND if unused."
      },
      {
        "number": "6",
        "name": "PGFB",
        "type": "input",
        "description": "Power good feedback input with 300mV rising threshold and 7mV hysteresis, set by a divider from OUT, also enables fast start-up circuitry; tie to IN if power good and fast start-up are not needed."
      },
      {
        "number": "7",
        "name": "SET",
        "type": "passive",
        "description": "Error amplifier inverting input and regulation set-point that sources a precision 100µA through an external resistor to GND (VSET = ISET•RSET), output range 0V to 15V, with an optional capacitor to GND for noise and PSRR."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, tied directly to the exposed pad, which must be soldered to PCB ground for electrical and thermal performance."
      },
      {
        "number": "9",
        "name": "OUTS",
        "type": "input",
        "description": "Output sense pin, the noninverting input to the error amplifier, Kelvin connected directly to the output capacitor and load; do not drive more than 0.3V below GND."
      },
      {
        "number": "10",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output supplying up to 200mA to the load, requiring a minimum 4.7µF output capacitor with ESR below 50mΩ and ESL below 2nH; absolute maximum is 16V."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Exposed pad is an electrical connection to GND and must be soldered to the PCB ground and tied directly to the GND pin."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-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 package is named '10-Lead (3mm × 3mm) Plastic DFN' (DD package); mapping to the TDFN-1; Pin types for ILIM, SET and PGFB are judgment calls; the datasheet does not give KiCad ERC classes."
        ],
        "pages_sent": 13,
        "cost_usd": 0.1862,
        "at": "2026-10-31T18:40:31"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/3042fb.pdf",
        "pages": 32,
        "sha256": "c65c2b7406029d9b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 11,
        "described": 11,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lt3042hdd-trpbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "738e2eb45860c11759f8e4f44ab26932b7c15e4d5d6c8c9ac22ae866a3e38711",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt3042hdd-trpbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b4a4d7db99d77a9eb1be83c967a934b18cd51abc50e88f3541fd15a15e742f0a",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "DD",
      "source_page": 29,
      "D": {
        "nom_mm": 3,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 3,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.75,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "lt3042hdd-trpbf.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "TDFN-10-EP(3x3)",
      "Category": "Power Management ICs",
      "Pins": "11"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c65c2b7406029d9b2f647145ea782ca056a717b414c2f37d9ccfbc0cd3e8a3e3",
      "rows": [
        {
          "name": "SET Pin Current",
          "symbol": "ISET",
          "kind": "electrical",
          "unit": "µA",
          "min": 99,
          "typ": 100,
          "max": 101,
          "conditions": "VIN = 2V, ILOAD = 1mA, VOUT = 1.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SET Pin Current",
          "symbol": "ISET",
          "kind": "electrical",
          "unit": "µA",
          "min": 98,
          "typ": 100,
          "max": 102,
          "conditions": "2V < VIN < 20V, 0V < VOUT < 15V, 1mA < ILOAD < 200mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Offset Voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VIN = 2V, ILOAD = 1mA, VOUT = 1.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Offset Voltage",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "2V < VIN < 20V, 0V < VOUT < 15V, 1mA < ILOAD < 200mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum IN Pin Voltage",
          "symbol": "VIN(MIN)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.78,
          "max": 2,
          "conditions": "ILOAD = 200mA, VIN UVLO Rising",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation ISET",
          "symbol": "ΔISET",
          "kind": "electrical",
          "unit": "nA/V",
          "min": -2,
          "typ": 0.5,
          "max": 2,
          "conditions": "VIN = 2V to 20V, ILOAD = 1mA, VOUT = 1.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation VOS",
          "symbol": "ΔVOS",
          "kind": "electrical",
          "unit": "µV/V",
          "min": -3,
          "typ": 0.5,
          "max": 3,
          "conditions": "VIN = 2V to 20V, ILOAD = 1mA, VOUT = 1.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation VOS",
          "symbol": "ΔVOS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 0.1,
          "max": 0.5,
          "conditions": "ILOAD = 1mA to 200mA, VIN = 2V, VOUT = 1.3V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Change in ISET with VSET",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 30,
          "max": 400,
          "conditions": "VSET = 1.3V to 15V, VIN = 20V, ILOAD = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Change in VOS with VSET",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 0.03,
          "max": 0.6,
          "conditions": "VSET = 1.3V to 15V, VIN = 20V, ILOAD = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Change in ISET with VSET",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 150,
          "max": 600,
          "conditions": "VSET = 0V to 1.3V, VIN = 20V, ILOAD = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Change in VOS with VSET",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 0.3,
          "max": 2,
          "conditions": "VSET = 0V to 1.3V, VIN = 20V, ILOAD = 1mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 220,
          "max": 270,
          "conditions": "ILOAD = 1mA, 50mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 3.5,
          "conditions": "ILOAD = 1mA, VIN = VOUT(NOMINAL)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.2,
          "max": 5,
          "conditions": "ILOAD = 50mA, VIN = VOUT(NOMINAL)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.5,
          "max": 7,
          "conditions": "ILOAD = 100mA, VIN = VOUT(NOMINAL)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 7.6,
          "max": 13,
          "conditions": "ILOAD = 200mA, VIN = VOUT(NOMINAL)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "EN/UV Pin Threshold",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.18,
          "typ": 1.24,
          "max": 1.32,
          "conditions": "EN/UV Trip Point Rising (Turn-On), VIN = 2V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current in Shutdown",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.3,
          "max": 10,
          "conditions": "VEN/UV = 0V, VIN = 6V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Internal Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 220,
          "typ": 270,
          "max": 320,
          "conditions": "VIN = 2V, VOUT = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Internal Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "VIN = 12V, VOUT = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Internal Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 130,
          "typ": 180,
          "max": 250,
          "conditions": "VIN = 20V, VOUT = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Programmable Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 180,
          "typ": 200,
          "max": 220,
          "conditions": "VIN = 2V, VOUT = 0V, RILIM = 625Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Programmable Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 45,
          "typ": 50,
          "max": 55,
          "conditions": "VIN = 2V, VOUT = 0V, RILIM = 2.5kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PGFB Trip Point",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": 291,
          "typ": 300,
          "max": 309,
          "conditions": "PGFB Trip Point Rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PG Output Low Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 30,
          "max": 100,
          "conditions": "IPG = 100µA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "PG Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VPG = 20V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reverse Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VIN = –20V, VEN/UV = 0V, VOUT = 0V, VSET = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reverse Output Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "VIN = 0, VOUT = 5V, SET = Open",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum Load Required",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VOUT < 1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit Programming Scale Factor",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA•kΩ",
          "min": null,
          "typ": 125,
          "max": null,
          "conditions": "2V< VIN < 20V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Fast Start-Up Set Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
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