REG101NA-2.5

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  "type": "component",
  "slug": "reg101na-2-5",
  "title": "REG101NA-2.5",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "REG101NA-2.5",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/reg101",
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      "lbr": "reg101na-2-5.lbr"
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    "distributor_links": {
      "lcsc": "C2863878"
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    "distributor_check": {
      "checked_at": "2026-10-08T16:36:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input; the specified input range is VOUT + 0.4V to 10V (VOUT + 0.6V over temperature), with an absolute maximum of 12V, and the regulator stops regulating when VIN < VOUT + VDROP(MAX)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator; the ground pin current is 500µA typical at IOUT = 100mA."
      },
      {
        "number": "3",
        "name": "Enable",
        "type": "input",
        "description": "Enable input: output is enabled for VENABLE of 1.8V to VIN and disabled for VENABLE of -0.2V to 0.5V, with an absolute maximum of -0.3V to VIN."
      },
      {
        "number": "4",
        "name": "NR/Adjust",
        "type": "passive",
        "description": "Noise reduction capacitor pin for the fixed-voltage REG101NA-2.5 (CNR of 0.01µF used in the characterization); it is the voltage-setting resistor pin only on the adjustable REG101-A."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output; for the REG101-2.5 version the output voltage is 2.5V, with accuracy of ±1.5% max and output current up to 100mA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT-23-5 pin numbers and names were extracted as separate columns (numbers '1 2 3 5 4' and label; The 100mA output current limit is taken from the feature and description text (current limit is 130-"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0658,
        "at": "2026-10-08T16:35:43"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/reg101",
        "pages": 25,
        "sha256": "4b1eaa2d39ccb308",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
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        "refuses_to_fabricate": true
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-08",
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        "zmin_mm": 0,
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        "footprint_binding": "identity",
        "sha256": "50201857983f554bcf55bd254556a1a8777399463d0a589d52cc63b1b349c4f8",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    }
  },
  "variants": [],
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  "discovery_triggers": [
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  "discovery_pitch": "REG101NA-2.5 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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