component
LM317MQDCYRG4
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+41@@ -0,0 +1,41 @@+# LM317MQDCYRG4++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-4++LM317MQDCYRG4 from Texas Instruments, in a SOT-223-4. 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 | ADJUST | input | Output feedback voltage pin; the OUTPUT pin regulates to 1.25V above ADJUST, set by two external resistors. |+| 2 | OUTPUT | power_out | Regulated output voltage; use the recommended capacitor values from the Recommended Operating Conditions table and place the output capacitor as close as possible to the OUTPUT pin. |+| 3 | INPUT | power_in | Input supply voltage, 2.5V to 37V relative to the OUTPUT pin; place the input capacitor as close as possible to the INPUT pin. |+| 4 | OUTPUT | power_out | Tab/fourth lead shown as OUTPUT in the DCY package drawing, internally the same regulated output as pin 2. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOT-223-4 |+| Category | Power Management (PMIC) |+| Pins | 4 |++## CAD (KiCad official)++- Symbol: `LM317MQDCYRG4`+- Footprint: `Package_TO_SOT_SMD:SOT-223`+- 3D model: SOT-223-4 (KiCad packages3D, STEP)+- 3D model files: `lm317mqdcyrg4-etched.step` / `lm317mqdcyrg4-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm317mqdcyrg4.step` / `lm317mqdcyrg4.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/lm317m) (33 pp, sha256 `988337ba1dd9fdf7`, retrieved 2026-10-07, 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-4-5-20251001` (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/lm317mqdcyrg4-datasheet.pdf)
page.jsonadded+176@@ -0,0 +1,176 @@+{+ "slug": "lm317mqdcyrg4",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "power management (pmic)",+ "lm317mqdcyrg4",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "lm317mqdcyrg4.kicad_sym",+ "lm317mqdcyrg4.kicad_mod",+ "lm317mqdcyrg4.glb",+ "lm317mqdcyrg4.step",+ "lm317mqdcyrg4.lbr",+ "docs/hero.png",+ "docs/lm317mqdcyrg4-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "lm317mqdcyrg4-hero.glb",+ "lm317mqdcyrg4-hero.overlay.json"+ ],+ "component": {+ "mpn": "LM317MQDCYRG4",+ "manufacturer": "Texas Instruments",+ "package": "SOT-223-4",+ "pin_count": 4,+ "category": "Power Management (PMIC)",+ "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",+ "datasheet": "https://www.ti.com/cn/lit/gpn/lm317m",+ "parts": {+ "symbol": "lm317mqdcyrg4.kicad_sym",+ "footprint": "lm317mqdcyrg4.kicad_mod",+ "model_3d": "lm317mqdcyrg4-hero.glb",+ "model_3d_plain": "lm317mqdcyrg4.glb",+ "model_3d_step": "lm317mqdcyrg4-etched.step",+ "model_3d_step_plain": "lm317mqdcyrg4.step",+ "lbr": "lm317mqdcyrg4.lbr"+ },+ "distributor_links": {+ "lcsc": "C544564",+ "digikey": "296-23127-2-ND",+ "mouser": "595-LM317MQDCYRG4"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T08:25:15Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-23127-2-ND",+ "status": "found",+ "lifecycle": "Discontinued at DigiKey"+ },+ "mouser": {+ "pn": "595-LM317MQDCYRG4",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "ADJUST",+ "type": "input",+ "description": "Output feedback voltage pin; the OUTPUT pin regulates to 1.25V above ADJUST, set by two external resistors."+ },+ {+ "number": "2",+ "name": "OUTPUT",+ "type": "power_out",+ "description": "Regulated output voltage; use the recommended capacitor values from the Recommended Operating Conditions table and place the output capacitor as close as possible to the OUTPUT pin."+ },+ {+ "number": "3",+ "name": "INPUT",+ "type": "power_in",+ "description": "Input supply voltage, 2.5V to 37V relative to the OUTPUT pin; place the input capacitor as close as possible to the INPUT pin."+ },+ {+ "number": "4",+ "name": "OUTPUT",+ "type": "power_out",+ "description": "Tab/fourth lead shown as OUTPUT in the DCY package drawing, internally the same regulated output as pin 2."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Pin 4 (thermal pad/COMMON) is not explicitly listed in Table 4-1 on page 3, which describes only 3 f; Pin 3 type shown as '–' in the table rather than standard I/O notation, interpreted as power_in type"+ ],+ "pages_sent": 33,+ "cost_usd": 0.2232,+ "at": "2026-10-07T08:24:58"+ },+ "datasheet": {+ "url": "https://www.ti.com/cn/lit/gpn/lm317m",+ "pages": 33,+ "sha256": "988337ba1dd9fdf7",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 4,+ "described": 4,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "lm317mqdcyrg4.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7,+ 6.5,+ 1.7+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "lm317mqdcyrg4-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 7,+ 6.5,+ 1.7+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "0449b237b98fa9a96ffb19a6482144663983ee7fbb96e09e1a843eb4bcd7ffbd",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}