main
Ray Set visibility: public 53694a6 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lr8342a-t33",
  "title": "LR8342A-T33",
  "brief": "LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "LR8342A-T33",
    "manufacturer": "LR",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603364094950842368",
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      "lbr": "lr8342a-t33.lbr"
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    "distributor_links": {
      "lcsc": "C29781219"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:40:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
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    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; all voltages in the datasheet are referenced to GND."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage pin, 3.3 V for the LR8342A-T33 with ±2% output tolerance and up to 250 mA maximum output current."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage pin; maximum input supply voltage is 45 V absolute maximum, with the datasheet stating a 40 V maximum operating voltage."
      }
    ],
    "provenance": {
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      "factory_chain": {
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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 the SOT23-3 pin mapping only in a table (page 4) and does not include a pin-posi; The datasheet lists SOT89-3 with a different pin order (VIN=2, VOUT=3). That mapping was not used be; Pin descriptions for VOUT and VIN combine the pinout table with ratings from other sections (feature"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0187,
        "at": "2026-10-18T02:39:20"
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        "pages": 10,
        "sha256": "63c3feea885d4d62",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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        "role": "plain",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "checked": "2026-10-18",
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  "metadata": {
    "specs": {
      "Manufacturer": "LR",
      "Package": "SOT-23-3L",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "63c3feea885d4d62923aa5fef0130756e1b44c3ea2077698b48e45f21c4339d1",
      "rows": [
        {
          "name": "Maximum input supply voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
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        },
        {
          "name": "Power dissipation, SOT23-3L",
          "symbol": "PD",
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          "unit": "mW",
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          "conditions": "SOT23-3L",
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          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Nominal output voltage (ordering table, T33 = 3.3V)",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "V",
          "min": null,
          "typ": 3.3,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output voltage tolerance",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VIN=12V, IOUT=1mA, CIN=COUT=1uF, TJ=25℃ (table header)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "ΔVLINE",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 2,
          "max": 12,
          "conditions": "VIN=VOUT + 1V to 40V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "ΔVLOAD",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 20,
          "max": 30,
          "conditions": "IOUT= 1mA to 100mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
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          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 50,
          "max": 80,
          "conditions": "IOUT= 1mA to 250mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "IOUT=100mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1200,
          "max": null,
          "conditions": "IOUT=250mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 1.5,
          "max": 4,
          "conditions": "TJ= 25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current limit",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "mA",
          "min": 270,
          "typ": null,
          "max": 340,
          "conditions": "VIN=12V, IOUT=1mA, CIN=COUT=1uF, TJ=25℃ (table header)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "THY",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input/output capacitor recommended range",
          "symbol": "CIN, COUT",
          "kind": "recommended_operating",
          "unit": "uF",
          "min": 1,
          "typ": null,
          "max": 10,
          "conditions": "Layout recommendation",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input series resistor (recommended)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "Ω",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "Recommended about 10Ω in series at LDO input to absorb input spikes",
          "source_page": 8,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "LR8342A-T33 (LR) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}