LT3088EST#PBF

{
  "schema_version": 1,
  "type": "component",
  "slug": "lt3088est-pbf",
  "title": "LT3088EST#PBF",
  "brief": "Analog Devices Linear Voltage Regulators (LDO), SOT-223-4. 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",
    "lt3088est#pbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LT3088EST#PBF",
    "manufacturer": "Analog Devices",
    "package": "SOT-223-4",
    "pin_count": 4,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/3088fb.pdf",
    "parts": {
      "symbol": "lt3088est-pbf.kicad_sym",
      "footprint": "lt3088est-pbf.kicad_mod",
      "model_3d": "lt3088est-pbf-hero.glb",
      "model_3d_plain": "lt3088est-pbf-etched.glb",
      "model_3d_step": "lt3088est-pbf-etched.step",
      "model_3d_step_plain": "lt3088est-pbf.step",
      "lbr": "lt3088est-pbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C670402",
      "digikey": "505-LT3088EST#PBF-ND",
      "mouser": "584-LT3088EST#PBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T21:08:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LT3088EST#PBF-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3088EST#PBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SET",
        "type": "passive",
        "description": "Error amplifier noninverting input that sets the bias point, with a fixed 50µA current source flowing out of the pin so a single external resistor programs VOUT (0V to 34.5V)."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "power_out",
        "description": "Power output of the device, which requires a 2mA minimum load current for proper output regulation."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply for the internal circuitry and output load current, which must be between the dropout voltage and 36V above the OUT pin."
      },
      {
        "number": "4",
        "name": "TAB",
        "type": "power_out",
        "description": "Tab is tied internally to OUT and should be connected directly to OUT at the PCB, where the connected copper area sets the effective thermal resistance."
      }
    ],
    "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 pin diagram shows only leads 1-3 and labels the tab as OUT without a number. The 'SOT-; The pin order was read from flattened diagram text (3,2,1 aligned with IN, OUT, SET). This matches t; The datasheet gives no ERC type for SET. It acts as the amplifier input and also sources the 50µA re"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0863,
        "at": "2026-10-30T21:08:18"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/3088fb.pdf",
        "pages": 26,
        "sha256": "c59f4bf7fc4734ad",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "4d153a7b67f4b8d4ed88e31938e26062048215d6746fee8276cac954c825ca11",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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    ],
    "package_dims": {
      "package_code": "ST",
      "source_page": 23,
      "D": {
        "nom_mm": 6.502,
        "range_mm": [
          6.299,
          6.706
        ]
      },
      "E1": {
        "nom_mm": 3.505,
        "range_mm": [
          3.302,
          3.708
        ]
      },
      "E": {
        "nom_mm": 6.998,
        "range_mm": [
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          7.29
        ]
      },
      "e": {
        "nom_mm": 2.299,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.803,
        "range_mm": [
          null,
          1.803
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "lt3088est-pbf.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices",
      "Package": "SOT-223-4",
      "Category": "Power Management ICs",
      "Pins": "4"
    },
    "appearance": {
      "contacts": {
        "quote": "Table 3. DD Package, 8-Lead DFN COPPER AREA",
        "page": 17,
        "doc": "ds.pdf",
        "material": "COPPER"
      },
      "version": 1,
      "datasheet_sha256": "c59f4bf7fc4734ad4bfa6ab253762bcee3bedc7fca8a0e23c4d7746799899ad1"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c59f4bf7fc4734ad4bfa6ab253762bcee3bedc7fca8a0e23c4d7746799899ad1",
      "rows": [
        {
          "name": "SET Pin Current",
          "symbol": "ISET",
          "kind": "electrical",
          "unit": "µA",
          "min": 49.5,
          "typ": 50,
          "max": 50.5,
          "conditions": "VIN = 2V, ILOAD = 2mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "SET Pin Current",
          "symbol": "ISET",
          "kind": "electrical",
          "unit": "µA",
          "min": 49,
          "typ": 50,
          "max": 51,
          "conditions": "2V ≤ VIN ≤ 36V, 2mA ≤ ILOAD ≤ 800mA, over full temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Offset Voltage (VOUT – VSET)",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -1.5,
          "typ": 0,
          "max": 1.5,
          "conditions": "VIN = 2V, ILOAD = 2mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Offset Voltage (VOUT – VSET)",
          "symbol": "VOS",
          "kind": "electrical",
          "unit": "mV",
          "min": -3.5,
          "typ": 0,
          "max": 3.5,
          "conditions": "VIN = 2V, ILOAD = 2mA, over full temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VOS Load Regulation, M, ST Packages",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": -1.5,
          "max": -4,
          "conditions": "ΔILOAD = 2mA to 800mA (Note 7), over full temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum Load Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.4,
          "max": 2,
          "conditions": "2V ≤ VIN ≤ 36V, over full temperature range (Note 3)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.35,
          "max": 1.6,
          "conditions": "ILOAD = 800mA, over full temperature range (Note 4)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": 0.8,
          "typ": 1.2,
          "max": null,
          "conditions": "VIN = 5V, VSET = 0V, VOUT = -0.1V, over full temperature range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ISET Load Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": -0.1,
          "max": null,
          "conditions": "ΔILOAD = 2mA to 800mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation ΔISET",
          "symbol": "",
          "kind": "electrical",
          "unit": "nA/V",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "ΔVIN = 2V to 36V, ILOAD = 2mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation ΔVOS",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": 0.001,
          "max": null,
          "conditions": "ΔVIN = 2V to 36V, ILOAD = 2mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.21,
          "max": null,
          "conditions": "ILOAD = 100mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference Current RMS Output Noise",
          "symbol": "",
          "kind": "electrical",
          "unit": "nARMS",
          "min": null,
          "typ": 5.7,
          "max": null,
          "conditions": "10Hz ≤ f ≤ 100kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Error Amplifier RMS Output Noise",
          "symbol": "",
          "kind": "electrical",
          "unit": "µVRMS",
          "min": null,
          "typ": 27,
          "max": null,
          "conditions": "ILOAD = 800mA, 10Hz ≤ f ≤ 100kHz, COUT = 0µF, CSET = 0.1µF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 75,
          "typ": 90,
          "max": null,
          "conditions": "VRIPPLE = 0.5VP-P, ILOAD = 0.1A, CSET = 0.1µF, COUT = 10µF, VIN = VOUT(NOMINAL) + 3V, f = 120Hz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 75,
          "max": null,
          "conditions": "f = 10kHz, same conditions",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "f = 1MHz, same conditions",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Regulation, ISET",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/W",
          "min": null,
          "typ": 0.003,
          "max": null,
          "conditions": "10ms Pulse",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "IN Pin to OUT Pin Differential Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SET Pin Current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "Note 6",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SET Pin Voltage (Relative to OUT)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "Note 6",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range, E-Grade",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Note 2",
          "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": "Maximum Junction Temperature, ST package",
          "symbol": "TJMAX",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "ST package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "ST package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "ST package",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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