main
Ray Set visibility: public 978b782 5h ago
{
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  "type": "component",
  "slug": "ds8242-33a3l",
  "title": "DS8242-33A3L",
  "brief": "DSTECH Linear Voltage Regulators (LDO), SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
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      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input of supply voltage, operating range 2.0V to 24V (absolute maximum 30V), with a 1µF or larger input capacitor placed close to VIN and GND."
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "pages": 12,
        "sha256": "02f10bfeea1c3ede",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
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        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-22",
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  "metadata": {
    "specs": {
      "Manufacturer": "DSTECH",
      "Package": "SOT-89-3",
      "Category": "Power Supply Chip",
      "Pins": "3"
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    "appearance": {
      "contacts": {
        "quote": "must be back to the DS8242 ground pin using as wide and as short of a copper trace as is practical.",
        "page": 8,
        "doc": "ds.pdf",
        "material": "copper"
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      "version": 1,
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          "max": 24,
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          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "DC Output Voltage Accuracy",
          "symbol": "",
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          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "ILOAD=0.1mA",
          "source_page": 5,
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        {
          "name": "Line Regulation",
          "symbol": "ΔLINE",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "ILOAD=1mA, 10V≤VIN≤20V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "ΔLOAD",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "10mA≤ILOAD≤0.2A",
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        {
          "name": "Output Current Limit",
          "symbol": "ILIM",
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          "max": null,
          "conditions": "VOUT=0",
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        {
          "name": "Input Voltage",
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          "conditions": "",
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        },
        {
          "name": "Junction Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
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        {
          "name": "Ambient Temperature Range",
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          "typ": null,
          "max": 85,
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        {
          "name": "VOUT to GND",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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        {
          "name": "VOUT to VIN",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -28,
          "typ": null,
          "max": 0.3,
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        },
        {
          "name": "Lead Temperature (Soldering, 10 sec.)",
          "symbol": "",
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          "unit": "°C",
          "min": null,
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          "name": "Storage Temperature Range",
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          "min": -40,
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          "conditions": "",
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        {
          "name": "ESD Susceptibility HBM",
          "symbol": "",
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          "unit": "KV",
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        {
          "name": "ESD Susceptibility MM",
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          "typ": null,
          "max": 200,
          "conditions": "MM",
          "source_page": 4,
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        },
        {
          "name": "Package Thermal Resistance SOT-89-3",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "Measured at TA=25°C on a DSTECH EVB board",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDROP_3.3V",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.42,
          "max": null,
          "conditions": "ILOAD=100mA, VOUT=3.3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ground Current",
          "symbol": "IQ",
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          "unit": "μA",
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          "max": null,
          "conditions": "ILOAD=0mA",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Thermal Shutdown Temperature",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "ILOAD=10mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "ΔTSD",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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