component
LD1117S18CTR
Public Made by Adomby adom
STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+39@@ -0,0 +1,39 @@+# LD1117S18CTR++**STMicroelectronics** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223++LD1117S18CTR from STMicroelectronics, in a SOT-223. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | GND | power_in | Ground reference pin for the fixed 1.8 V output version (ADJ pin on the adjustable version); output voltage is set internally on-chip trim for the fixed device. |+| 2 | VOUT | power_out | Regulated output voltage pin, fixed at 1.8 V (LD1117#18), rated up to 800 mA output current; internally connected to the package TAB. |+| 3 | VIN | power_in | Unregulated DC input supply pin; operating input voltage up to 15 V (absolute maximum 15 V, or 18 V when IOUT < 20 mA). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | SOT-223 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `LD1117S18CTR`+- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`+- 3D model: SOT-223 (KiCad packages3D, STEP)+- 3D model files: `ld1117s18ctr-etched.step` / `ld1117s18ctr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ld1117s18ctr.step` / `ld1117s18ctr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915292991074304) (46 pp, sha256 `eb9bdaeee6a99a12`, retrieved 2026-09-23, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/ld1117s18ctr-datasheet.pdf)
page.jsonadded+114@@ -0,0 +1,114 @@+{+ "slug": "ld1117s18ctr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "ld1117s18ctr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "ld1117s18ctr.kicad_sym",+ "ld1117s18ctr.kicad_mod",+ "ld1117s18ctr.glb",+ "ld1117s18ctr.step",+ "ld1117s18ctr.lbr",+ "docs/hero.png",+ "docs/ld1117s18ctr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "LD1117S18CTR",+ "manufacturer": "STMicroelectronics",+ "package": "SOT-223",+ "pin_count": 3,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915292991074304",+ "parts": {+ "symbol": "ld1117s18ctr.kicad_sym",+ "footprint": "ld1117s18ctr.kicad_mod",+ "model_3d": "ld1117s18ctr-etched.glb",+ "model_3d_plain": "ld1117s18ctr.glb",+ "model_3d_step": "ld1117s18ctr-etched.step",+ "model_3d_step_plain": "ld1117s18ctr.step",+ "lbr": "ld1117s18ctr.lbr"+ },+ "distributor_links": {+ "lcsc": "C672391"+ },+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference pin for the fixed 1.8 V output version (ADJ pin on the adjustable version); output voltage is set internally on-chip trim for the fixed device."+ },+ {+ "number": "2",+ "name": "VOUT",+ "type": "power_out",+ "description": "Regulated output voltage pin, fixed at 1.8 V (LD1117#18), rated up to 800 mA output current; internally connected to the package TAB."+ },+ {+ "number": "3",+ "name": "VIN",+ "type": "power_in",+ "description": "Unregulated DC input supply pin; operating input voltage up to 15 V (absolute maximum 15 V, or 18 V when IOUT < 20 mA)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "dropped thermal pad ['EP'] absent from footprint",+ "1/3 pins cited to the wrong page (name found elsewhere): ['2:GND@p6']"+ ],+ "pages_sent": 46,+ "cost_usd": 0.2775,+ "at": "2026-09-23T05:22:34"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915292991074304",+ "pages": 46,+ "sha256": "eb9bdaeee6a99a12",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}