TP121C33S3L

{
  "schema_version": 1,
  "type": "component",
  "slug": "tp121c33s3l",
  "title": "TP121C33S3L",
  "brief": "TECH PUBLIC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "tp121c33s3l"
  ],
  "component": {
    "mpn": "TP121C33S3L",
    "manufacturer": "TECH PUBLIC",
    "package": "SOT-23-3L",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e1f60672db1644691d910efbb1b27145.pdf",
    "parts": {
      "symbol": "tp121c33s3l.kicad_sym",
      "footprint": "tp121c33s3l.kicad_mod",
      "model_3d": "tp121c33s3l-etched.glb",
      "model_3d_plain": "tp121c33s3l.glb",
      "model_3d_step": "tp121c33s3l-etched.step",
      "model_3d_step_plain": "tp121c33s3l.step",
      "lbr": "tp121c33s3l.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference terminal. Common return for the regulator's internal voltage reference, error amplifier, and pass FET."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output terminal. Delivers fixed 3.3V (typ) at up to 200mA for the TP121C33; requires a 1µF-10µF ceramic output capacitor to GND. Absolute range: GND-0.3V to VIN+0.3V."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated supply input. Absolute maximum 7.0V; must exceed VOUT by the dropout voltage (typ 70mV @ 30mA, 240mV @ 100mA for the 3.3V option). Bypass with 1µF-10µF ceramic to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e1f60672db1644691d910efbb1b27145.pdf",
        "pages": 10,
        "sha256": "ef7573dc12a5e429",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "tp121c33s3l.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tp121c33s3l-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d4e05ffbb5428de0dfd3d4995ca19fe34e85577cbc6db0ff04bb83d002ac3abf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TECH PUBLIC",
      "Package": "SOT-23-3L",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tp121c33s3l"
  ],
  "discovery_pitch": "TP121C33S3L (TECH PUBLIC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tp121c33s3l.kicad_sym",
    "tp121c33s3l.kicad_mod",
    "tp121c33s3l.glb",
    "tp121c33s3l.step",
    "tp121c33s3l-etched.step",
    "tp121c33s3l.lbr",
    "docs/hero.png",
    "docs/tp121c33s3l-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "TP121C33S3L",
      "kind": "packaging"
    },
    {
      "mpn": "TP121C33S3LT3",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T11:13:40.729Z"
}