LR8341A-T33

{
  "schema_version": 1,
  "type": "component",
  "slug": "lr8341a-t33",
  "title": "LR8341A-T33",
  "brief": "LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "lr8341a-t33"
  ],
  "component": {
    "mpn": "LR8341A-T33",
    "manufacturer": "LR",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/bd7afbedf7cc4b3bd40059353a5754ae.pdf",
    "parts": {
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      "model_3d_step_plain": "lr8341a-t33.step",
      "lbr": "lr8341a-t33.lbr"
    },
    "distributor_links": {
      "lcsc": "C2829465"
    },
    "pins": [
      {
        "number": "1",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground / negative supply reference. All voltages referenced to this pin."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output. Delivers up to 100mA typical (160mA absolute max). Requires a 1-10µF output capacitor close to the pin for stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply. Operating range up to 40V (absolute max 55V). VIN must be at least VOUT + dropout (typ 750mV @ 100mA). Bypass with a suitable input capacitor."
      }
    ],
    "provenance": {
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        "pages": 13,
        "sha256": "0ef57f5e903211ad",
        "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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      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-3@sha256:ab2ce7041629a2c0",
      "mark": "drawn"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "eff84979ebbf7bbfa4426baada8e27cbb492b67dba9b046b45612637adf34e04",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LR",
      "Package": "SOT-23-3L",
      "Category": "PMIC",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0ef57f5e903211ad",
      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "ISS=5uA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "△VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "VOUT+2V≤VIN≤40V, IOUT=5mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "△VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VIN=VOUT+2V, 1mA≤IOUT≤100mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDrop",
          "kind": "electrical",
          "unit": "mV",
          "min": 320,
          "typ": 390,
          "max": 450,
          "conditions": "IOUT=50mA, △VOUT=±2%*VOUT",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDrop",
          "kind": "electrical",
          "unit": "mV",
          "min": 600,
          "typ": 750,
          "max": 900,
          "conditions": "IOUT=100mA, △VOUT=±2%*VOUT",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current",
          "symbol": "ISS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "VIN=VOUT+2V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature Coefficient",
          "symbol": "△VOUT/(△Ta*VOUT)",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -100,
          "typ": 50,
          "max": 100,
          "conditions": "VIN=VOUT+1V, IOUT=10mA, -40℃≤Ta≤85℃; printed ±50 typ, ±100 max",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 55,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Maximum Output Voltage (printed label; value is output current)",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 160,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "SOT23-3L",
          "source_page": 4,
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        },
        {
          "name": "Operating Temperature",
          "symbol": "TOPR",
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          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
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          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Human Body Model",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -3000,
          "typ": null,
          "max": 3000,
          "conditions": "H.B.M POS/NEG",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Ambient Thermal Resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "SOT23-3L",
          "source_page": 8,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "LR8341A-T33 (LR) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
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  "variants": [
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      "mpn": "LR8341A-T33T25",
      "kind": "packaging"
    },
    {
      "mpn": "LR8341A-T33T27",
      "kind": "packaging"
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    {
      "mpn": "LR8341A-T33T30",
      "kind": "packaging"
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    {
      "mpn": "LR8341A-T33",
      "kind": "packaging"
    },
    {
      "mpn": "LR8341A-T33T36",
      "kind": "packaging"
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    {
      "mpn": "LR8341A-T33T40",
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    {
      "mpn": "LR8341A-T33T44",
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    {
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    {
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    {
      "mpn": "LR8341A-T33M30",
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    {
      "mpn": "LR8341A-T33M33",
      "kind": "packaging"
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    {
      "mpn": "LR8341A-T33M36",
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    {
      "mpn": "LR8341A-T33M40",
      "kind": "packaging"
    },
    {
      "mpn": "LR8341A-T33M44",
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    {
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  "updated_at": "2026-09-28T18:09:35.333Z"
}