MCP1703AT-3302E

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  "type": "component",
  "slug": "mcp1703at-3302e",
  "title": "MCP1703AT-3302E",
  "brief": "Microchip Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23A-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "MCP1703AT-3302E",
    "manufacturer": "Microchip",
    "package": "SOT-23A-3",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e8aa4c10dbe86008aed9ec25cfa1f18a.pdf",
    "parts": {
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    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Regulator ground. Tie GND to the negative side of the output and negative side of the input capacitor. Only the LDO bias current (~2.0 µA typical) flows through this pin; output regulation is referenced here, so minimize voltage drops between this pin and the load return."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3 V output. Connect to the positive side of the load and the positive terminal of the output capacitor (1 µF to 22 µF ceramic recommended). Delivers up to 250 mA continuous with 625 mV typical dropout at 250 mA (VR = 2.8 V)."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated supply input, 2.7 V to 16.0 V operating range (18 V absolute maximum). Low source impedance is required for stability; a 1 µF ceramic input capacitor located close to the pin ensures stable LDO operation. Ceramic, tantalum, or aluminum electrolytic types are acceptable."
      }
    ],
    "provenance": {
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        "pages": 31,
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
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        "refuses_to_fabricate": true
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    "pin1": {
      "pad": "1",
      "at": [
        -0.9375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23@sha256:0d88c86c1b6d8c1a",
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        "checked": "2026-10-07",
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        "zmin_mm": 0,
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        "sha256": "7cd367ce19d3e546aaf1539a18958d3943875c47b229691e0dc96b359a4372d5",
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  },
  "metadata": {
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 16,
          "conditions": "Note 1",
          "source_page": 3,
          "source": "datasheet"
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      ]
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  },
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  "discovery_triggers": [
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  "discovery_pitch": "MCP1703AT-3302E (Microchip) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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  "visibility": {
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  "variants": [
    {
      "mpn": "MCP1703AT-3302ECB",
      "kind": "packaging"
    },
    {
      "mpn": "MCP1703AT-3302EDB",
      "kind": "packaging"
    },
    {
      "mpn": "MCP1703AT-3302EMB",
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  "updated_at": "2026-09-28T19:03:51.768Z",
  "description": "Microchip Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23A-3. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}