AP2120N-3.3TRG1

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  "type": "component",
  "slug": "ap2120n-3-3trg1",
  "title": "AP2120N-3.3TRG1",
  "brief": "Diodes Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. 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",
    "ap2120n-3.3trg1"
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  "component": {
    "mpn": "AP2120N-3.3TRG1",
    "manufacturer": "Diodes",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP2120N-3.3TRG1.pdf",
    "parts": {
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      "lbr": "ap2120n-3-3trg1.lbr"
    },
    "distributor_links": {
      "lcsc": "C156330"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator. Tie directly to the system ground plane; quiescent current (~25µA) returns through this pin."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 3.3V output (±2% accuracy). Sources up to 150mA continuous (250mA current-limited). Requires a ≥1µF ceramic output capacitor with ESR between 0.01Ω and 100Ω for stability."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input voltage supply, 2V to 6V recommended operating range (6.5V absolute max). Requires a 1µF ceramic input capacitor. For 3.3V output, VIN should be ≥ 3.5V to stay out of dropout at rated load."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AP2120N-3.3TRG1.pdf",
        "pages": 19,
        "sha256": "66be4c8fbb47afd5",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -0.9375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23@sha256:0d88c86c1b6d8c1a",
      "mark": "drawn"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
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  "discovery_pitch": "AP2120N-3.3TRG1 (Diodes) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "files": [
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    "ap2120n-3-3trg1.kicad_sym",
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    "ap2120n-3-3trg1.glb",
    "ap2120n-3-3trg1.step",
    "ap2120n-3-3trg1-etched.step",
    "ap2120n-3-3trg1.lbr",
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  "updated_at": "2026-09-24T16:28:49.916Z"
}