AP2139AK-3.3TRG1

{
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  "type": "component",
  "slug": "ap2139ak-3-3trg1",
  "title": "AP2139AK-3.3TRG1",
  "brief": "Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
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  "component": {
    "mpn": "AP2139AK-3.3TRG1",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP2139AK-3.3TRG1.pdf",
    "parts": {
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      "footprint": "ap2139ak-3-3trg1.kicad_mod",
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      "lbr": "ap2139ak-3-3trg1.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage supply. Recommended operating range 2.5V to 6.0V (absolute max 6.6V). Requires 1µF ceramic input capacitor."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference."
      },
      {
        "number": "3",
        "name": "CE",
        "type": "input",
        "description": "Active-high chip enable input. Logic high = enable, logic low = shutdown (with active quick output discharge). VIH ≥ 1.2V, VIL ≤ 0.3V, internal ~0.2µA pull-down; absolute max -0.3V to VIN+0.3V."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. May be left floating or tied to GND."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output, 250mA capable. Requires ≥1µF ceramic output capacitor (ESR 0.01Ω to 100Ω) for stability. ±2% output accuracy."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AP2139AK-3.3TRG1.pdf",
        "pages": 29,
        "sha256": "027e80492a5bc199",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ap2139ak-3-3trg1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "22a0c38a086599a86809894f19818bc1e0564a6d473e369ef5dbf41a057f59ea",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "AP2139AK-3.3TRG1 (Diodes Incorporated) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "files": [
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    "ap2139ak-3-3trg1.glb",
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  "visibility": {
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  "variants": [
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      "mpn": "AP2139AK-3.3TRG1",
      "kind": "packaging"
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  ],
  "updated_at": "2026-09-24T16:30:52.969Z"
}