AP2127K-1.8TRG1

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  "type": "component",
  "slug": "ap2127k-1-8trg1",
  "title": "AP2127K-1.8TRG1",
  "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",
    "ap2127k-1.8trg1"
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  "component": {
    "mpn": "AP2127K-1.8TRG1",
    "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/AP2127K-1.8TRG1.pdf",
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      "lbr": "ap2127k-1-8trg1.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Regulator power input. Operating range 2.5V to 6V (absolute max 6.5V). Bypass with a 1uF low-ESR ceramic capacitor to GND close to the pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference. Return for input, output, and shutdown pins."
      },
      {
        "number": "3",
        "name": "Shutdown",
        "type": "input",
        "description": "Active-low enable/shutdown input. Drive >=1.5V to enable the regulator; drive <=0.5V to place the device in shutdown mode (standby current 0.1uA typ). Internally pulled down through ~3M-ohm; drive explicitly for reliable operation."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connection on fixed-voltage versions (this is the AP2127K-1.8, a 1.8V fixed variant). On adjustable versions the same pin is ADJ, the VOUT feedback input connected to a resistor divider. Leave floating on the 1.8V variant."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 1.8V power output, up to 300mA continuous (400mA typical max). Requires a 1uF low-ESR ceramic capacitor to GND for stability. Auto-discharge MOSFET (RDS(ON) ~60 ohm) discharges output during shutdown."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/AP2127K-1.8TRG1.pdf",
        "pages": 24,
        "sha256": "d48c96ac985d348a",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    }
  },
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  "discovery_pitch": "AP2127K-1.8TRG1 (Diodes Incorporated) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "README.md",
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  "variants": [
    {
      "mpn": "AP2127K-1.8TRG1",
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  ],
  "updated_at": "2026-09-24T16:29:38.077Z"
}