← Commit history

Initial commit: component/lm1117dt-adj

Ray ·d78372be39 ·1d ago
2 files changed +209
README.mdadded+40
@@ -0,0 +1,40 @@+# LM1117DT-ADJ++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252++LM1117DT-ADJ from Texas Instruments, in a TO-252. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | ADJ | passive | Adjust pin of the adjustable version that sets the output voltage through the external resistor divider from a 1.25 V reference, with ADJ current typically 60 µA and able to withstand ±25 V transients relative to VOUT without damage. |+| 2 | VOUT | output | Regulator output pin (also connected to the TAB); a tantalum output capacitor of at least 10 µF with ESR between 0.3 Ω and 22 Ω is required for stability, and 22 µF is needed when a CADJ bypass capacitor is used. |+| 3 | VIN | power_in | Regulator input pin, with an absolute maximum VIN-to-GND of 20 V and a recommended input voltage of up to 15 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TO-252 |+| Category | Power Management (PMIC) |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `LM1117DT-ADJ`+- Footprint: `Package_TO_SOT_SMD:TO-252-2`+- 3D model: TO-252 (KiCad packages3D, STEP)+- 3D model files: `lm1117dt-adj-etched.step` / `lm1117dt-adj-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm1117dt-adj.step` / `lm1117dt-adj.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lm1117) (47 pp, sha256 `7fd0304d2893365e`, retrieved 2026-10-08, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (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/lm1117dt-adj-datasheet.pdf)
page.jsonadded+169
@@ -0,0 +1,169 @@+{+  "slug": "lm1117dt-adj",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "power management (pmic)",+    "lm1117dt-adj",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm1117dt-adj.kicad_sym",+    "lm1117dt-adj.kicad_mod",+    "lm1117dt-adj.glb",+    "lm1117dt-adj.step",+    "lm1117dt-adj.lbr",+    "docs/hero.png",+    "docs/lm1117dt-adj-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm1117dt-adj-hero.glb",+    "lm1117dt-adj-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM1117DT-ADJ",+    "manufacturer": "Texas Instruments",+    "package": "TO-252",+    "pin_count": 3,+    "category": "Power Management (PMIC)",+    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm1117",+    "parts": {+      "symbol": "lm1117dt-adj.kicad_sym",+      "footprint": "lm1117dt-adj.kicad_mod",+      "model_3d": "lm1117dt-adj-hero.glb",+      "model_3d_plain": "lm1117dt-adj.glb",+      "model_3d_step": "lm1117dt-adj-etched.step",+      "model_3d_step_plain": "lm1117dt-adj.step",+      "lbr": "lm1117dt-adj.lbr"+    },+    "distributor_links": {+      "lcsc": "C2863814",+      "mouser": "926-LM1117DT-ADJ"+    },+    "distributor_check": {+      "checked_at": "2026-10-08T02:15:03Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": null,+        "status": "no match"+      },+      "mouser": {+        "pn": "926-LM1117DT-ADJ",+        "status": "found",+        "lifecycle": "Obsolete"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "ADJ",+        "type": "passive",+        "description": "Adjust pin of the adjustable version that sets the output voltage through the external resistor divider from a 1.25 V reference, with ADJ current typically 60 µA and able to withstand ±25 V transients relative to VOUT without damage."+      },+      {+        "number": "2",+        "name": "VOUT",+        "type": "output",+        "description": "Regulator output pin (also connected to the TAB); a tantalum output capacitor of at least 10 µF with ESR between 0.3 Ω and 22 Ω is required for stability, and 22 µF is needed when a CADJ bypass capacitor is used."+      },+      {+        "number": "3",+        "name": "VIN",+        "type": "power_in",+        "description": "Regulator input pin, with an absolute maximum VIN-to-GND of 20 V and a recommended input voltage of up to 15 V."+      }+    ],+    "provenance": {+      "extractor": "extract_pins 0.3",+      "factory_chain": {+        "factory": "2.0.0",+        "extractor": "extract_pins 0.3",+        "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 TO-252 column of the pin table also lists a TAB, which is the mounting tab electrically tied to ; The datasheet pin table covers the TO-252 (NDP) package with pins ADJ=1, VOUT=2 and TAB, and VIN=3. "+        ],+        "pages_sent": 28,+        "cost_usd": 0.1224,+        "at": "2026-10-08T02:14:47"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm1117",+        "pages": 47,+        "sha256": "7fd0304d2893365e",+        "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": "lm1117dt-adj.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          9.9,+          6.5,+          2.32+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm1117dt-adj-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          9.9,+          6.5,+          2.32+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "5bceedb97c744060880e997f1ba4d7998ace3935690248478c3329fb81f15e37",+        "checked": "2026-10-08",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      }+    ]+  },+  "visibility": "public",+  "org": "adom",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file