LT3021ES8-1.8#PBF

{
  "schema_version": 1,
  "type": "component",
  "slug": "lt3021es8-1-8-pbf",
  "title": "LT3021ES8-1.8#PBF",
  "brief": "Analog Devices Pre-ordered Chips, SO-8. 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",
    "interface ics",
    "lt3021es8-1.8#pbf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LT3021ES8-1.8#PBF",
    "manufacturer": "Analog Devices",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/3021fc.pdf",
    "parts": {
      "symbol": "lt3021es8-1-8-pbf.kicad_sym",
      "footprint": "lt3021es8-1-8-pbf.kicad_mod",
      "model_3d": "lt3021es8-1-8-pbf-hero.glb",
      "model_3d_plain": "lt3021es8-1-8-pbf-etched.glb",
      "model_3d_step": "lt3021es8-1-8-pbf-etched.step",
      "model_3d_step_plain": "lt3021es8-1-8-pbf.step",
      "lbr": "lt3021es8-1-8-pbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C666447",
      "digikey": "LT3021ES8-1.8#PBF-ND",
      "mouser": "584-LT3021ES8-1.8PBF"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T04:00:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LT3021ES8-1.8#PBF-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "584-LT3021ES8-1.8PBF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; the pin may be left floating, tied to IN, or tied to GND."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "power_out",
        "description": "Supplies power to the load; a minimum output capacitor of 3.3μF (ESR of 0.2Ω or less) is required to prevent oscillations."
      },
      {
        "number": "3",
        "name": "SENSE",
        "type": "input",
        "description": "Sense point for the internal resistor divider on the fixed-voltage device, which should be tied directly to the OUT pin for best results."
      },
      {
        "number": "4",
        "name": "AGND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "SHDN",
        "type": "input",
        "description": "Pulling SHDN low turns the output off; it can be driven by logic or an open collector/drain with a pull-up resistor, and must be connected to VIN if unused since the device does not function when SHDN is unconnected."
      },
      {
        "number": "6",
        "name": "PGND",
        "type": "power_in",
        "description": "Ground pin for the power path of the regulator."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; the pin may be left floating, tied to IN, or tied to GND."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Supplies power to the device with a 3.3μF to 10μF bypass capacitor recommended if it is more than six inches from the main input filter capacitor; input voltage range is 0.9V to 10V with ±10V absolute maximum."
      }
    ],
    "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 S8 top-view text extraction lists pin names in an order that does not match the printed pin numb; The datasheet gives a single pinout for both the 8-lead SO package and the LT3021-FIXED S8 variant. ; The pin types for AGND, PGND (power_in as GND per convention) and the SENSE/SHDN signal pins are ass"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0577,
        "at": "2026-10-31T03:58:08"
      },
      "datasheet": {
        "url": "https://www.analog.com/media/en/technical-documentation/data-sheets/3021fc.pdf",
        "pages": 16,
        "sha256": "9be2a2fb292e277b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lt3021es8-1-8-pbf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lt3021es8-1-8-pbf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1b206443cf5c426d09c66847ebb9bd330f3d534857034bbabb3488b28f2a3259",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "S8",
      "source_page": 15,
      "D": {
        "nom_mm": 4.902,
        "range_mm": [
          4.801,
          5.004
        ]
      },
      "E1": {
        "nom_mm": 3.899,
        "range_mm": [
          3.81,
          3.988
        ]
      },
      "E": {
        "nom_mm": 5.994,
        "range_mm": [
          5.791,
          6.198
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.549,
        "range_mm": [
          1.346,
          1.753
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "lt3021es8-1-8-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": "SO-8",
      "Category": "Interface ICs",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9be2a2fb292e277b3371d12c0e9095e4c94993fcc437b00ca06003c61da01405",
      "rows": [
        {
          "name": "Minimum Input Voltage (TJ > 0 C)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.9,
          "max": 1.05,
          "conditions": "ILOAD = 500mA, TJ > 0°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum Input Voltage (TJ < 0 C)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.9,
          "max": 1.1,
          "conditions": "ILOAD = 500mA, TJ < 0°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Regulated Output Voltage LT3021-1.8",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.764,
          "typ": 1.8,
          "max": 1.836,
          "conditions": "VIN = 2.1V, ILOAD = 1mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Regulated Output Voltage LT3021-1.8 (full temp range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.737,
          "typ": 1.8,
          "max": 1.854,
          "conditions": "2.1V < VIN < 10V, 1mA < ILOAD < 500mA, over full operating temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation LT3021-1.8 (full temp range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -15.8,
          "typ": 0,
          "max": 15.8,
          "conditions": "ΔVIN = 2.1V to 10V, ILOAD = 1mA, over full operating temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation LT3021-1.8",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -9,
          "typ": 2,
          "max": 9,
          "conditions": "VIN = 2.1V, ΔILOAD = 1mA to 500mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 45,
          "max": 75,
          "conditions": "ILOAD = 10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (full temp range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 110,
          "conditions": "ILOAD = 10mA, over full operating temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 155,
          "max": 190,
          "conditions": "ILOAD = 500mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (full temp range)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 285,
          "conditions": "ILOAD = 500mA, over full operating temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 110,
          "max": 250,
          "conditions": "VIN = VOUT(NOMINAL) + 0.4V, ILOAD = 0mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "GND Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6.2,
          "max": 10,
          "conditions": "VIN = VOUT(NOMINAL) + 0.4V, ILOAD = 500mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Threshold (VOUT Off to On)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.61,
          "typ": null,
          "max": 0.9,
          "conditions": "VOUT = Off to On, over full operating temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Threshold (VOUT On to Off)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 0.25,
          "typ": null,
          "max": 0.61,
          "conditions": "VOUT = On to Off, over full operating temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SHDN Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 3,
          "max": 9.5,
          "conditions": "VSHDN = 0V, VIN = 10V, over full operating temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SHDN Pin Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VSHDN = 10V, VIN = 10V, over full operating temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current in Shutdown",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 3,
          "max": 9,
          "conditions": "VIN = 6V, VSHDN = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection LT3021-1.8",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 56,
          "typ": null,
          "max": null,
          "conditions": "VIN – VOUT = 1V, VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 500mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 550,
          "typ": null,
          "max": null,
          "conditions": "VIN = VOUT(NOMINAL) + 0.5V, ΔVOUT = –5%, over full operating temperature range",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 1.8,
          "max": null,
          "conditions": "VIN = 10V, VOUT = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Reverse Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1,
          "max": 20,
          "conditions": "VIN = –10V, VOUT = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reverse Output Current LT3021-1.8",
          "symbol": "",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 10,
          "max": 15,
          "conditions": "VOUT = 1.8V, VIN = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range (VIN)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.9,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range (E grade)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "E, I Grade",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitor (minimum)",
          "symbol": "COUT",
          "kind": "recommended_operating",
          "unit": "uF",
          "min": 3.3,
          "typ": null,
          "max": null,
          "conditions": "Minimum output capacitor to prevent oscillations",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitor ESR",
          "symbol": "ESR",
          "kind": "recommended_operating",
          "unit": "Ohm",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "With minimum 3.3uF output capacitor",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Input Bypass Capacitor",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "uF",
          "min": 3.3,
          "typ": null,
          "max": 10,
          "conditions": "Bypass capacitor at IN when more than six inches from input filter capacitor",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Minimum Load Current",
          "symbol": "ILOAD",
          "kind": "recommended_operating",
          "unit": "uA",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "Recommended to prevent low-frequency oscillation at ILOAD < 30uA",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "IN Pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "OUT Pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input-to-Output Differential Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ADJ/SENSE Pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SHDN Pin Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range (S8)",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "S8 package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering, 10 sec, S8)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Soldering, 10 sec, S8 package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature (TJMAX)",
          "symbol": "TJMAX",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "S8 package",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Ambient Thermal Resistance (θJA)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 125,
          "max": null,
          "conditions": "S8 package, see Applications Information",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Case Thermal Resistance (θJC)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "S8 package, measured junction to pin 6",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Measured Junction-to-Ambient Thermal Resistance (topside copper 2500 mm2)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "S8, topside copper 2500mm2, backside 2500mm2, board 2500mm2, still air, 3/32in FR-4",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Measured Junction-to-Ambient Thermal Resistance (topside copper 1000 mm2)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "S8, topside copper 1000mm2, backside 2500mm2, board 2500mm2, still air, 3/32in FR-4",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Measured Junction-to-Ambient Thermal Resistance (topside copper 225 mm2)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 78,
          "max": null,
          "conditions": "S8, topside copper 225mm2, backside 2500mm2, board 2500mm2, still air, 3/32in FR-4",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Measured Junction-to-Ambient Thermal Resistance (topside copper 100 mm2)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 84,
          "max": null,
          "conditions": "S8, topside copper 100mm2, backside 2500mm2, board 2500mm2, still air, 3/32in FR-4",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Measured Junction-to-Ambient Thermal Resistance (topside copper 50 mm2)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 96,
          "max": null,
          "conditions": "S8, topside copper 50mm2, backside 2500mm2, board 2500mm2, still air, 3/32in FR-4",
          "source_page": 12,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lt3021es8-1.8#pbf"
  ],
  "discovery_pitch": "LT3021ES8-1.8#PBF (Analog Devices) 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",
    "lt3021es8-1-8-pbf.kicad_sym",
    "lt3021es8-1-8-pbf.kicad_mod",
    "lt3021es8-1-8-pbf.glb",
    "lt3021es8-1-8-pbf.step",
    "lt3021es8-1-8-pbf.lbr",
    "docs/hero.png",
    "docs/lt3021es8-1-8-pbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lt3021es8-1-8-pbf-hero.glb",
    "lt3021es8-1-8-pbf-hero.overlay.json",
    "lt3021es8-1-8-pbf-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}