AZ1117CR-3.3TRG1

{
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  "type": "component",
  "slug": "az1117cr-3-3trg1",
  "title": "AZ1117CR-3.3TRG1",
  "brief": "Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "AZ1117CR-3.3TRG1",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-89",
    "pin_count": 4,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AZ1117CR-3.3TRG1.pdf",
    "parts": {
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      "lbr": "az1117cr-3-3trg1.lbr"
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    "distributor_links": {
      "lcsc": "C460428"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / regulator common return. On the fixed 3.3V version this pin (labeled ADJ/GND on the pinout diagram) is used as GND; the internal adjust divider is factory-trimmed to produce 3.3V."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated 3.3V output (±1%). Requires a minimum 10µF output capacitor with ESR <20Ω (low-ESR ceramic recommended). Current limit typ. 1.35A, dropout typ. 1.2V at 0.8A."
      },
      {
        "number": "3",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated input supply, up to 15V recommended (18V absolute max). Bypass with a 10µF capacitor close to the pin."
      },
      {
        "number": "4",
        "name": "VOUT",
        "type": "power_out",
        "description": "SOT-89 metal tab, electrically connected to the OUTPUT pin. Serves as the primary heat-dissipation path - solder to a copper pour for improved thermal performance (θJA ≈ 170°C/W without heatsink, 150°C/W with heatsink)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AZ1117CR-3.3TRG1.pdf",
        "pages": 24,
        "sha256": "8333717aa7b5f90f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
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    "pin1": {
      "pad": "1",
      "at": [
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        -1.5
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      "corner": "top-left",
      "source": "silk-marker",
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      "mark": "drawn"
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
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        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-07",
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      {
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        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "zmin_mm": 0,
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-89",
      "Category": "PMIC",
      "Pins": "4"
    }
  },
  "sections": [
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  "discovery_pitch": "AZ1117CR-3.3TRG1 (Diodes Incorporated) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
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  "updated_at": "2026-09-24T17:22:20.421Z"
}