component
LM317
Public Made by Adomby adom
TI 3-pin adjustable positive linear regulator, TO-220. 1.5 A, 1.25-37 V output. Datasheet-verified.
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page.json+91−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "lm317",+ "title": "LM317",+ "brief": "TI 3-pin adjustable positive linear regulator, TO-220. 1.5 A, 1.25-37 V output. Datasheet-verified.", "version": "0.1.0",- "type": "component",- "description": "TI 3-pin adjustable positive linear regulator, TO-220. 1.5 A, 1.25-37 V output. Datasheet-verified.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "regulator",@@ -11,6 +14,91 @@ "to-220", "texas-instruments" ],+ "component": {+ "mpn": "LM317",+ "manufacturer": "Texas Instruments",+ "package": "TO-220",+ "pin_count": 3,+ "category": "Power Management",+ "subcategory": "Adjustable linear regulator",+ "datasheet": "https://www.ti.com/lit/ds/symlink/lm317.pdf",+ "parts": {+ "symbol": "lm317.kicad_sym",+ "footprint": "lm317.kicad_mod",+ "model_3d": "lm317.glb"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "ADJ",+ "type": "input",+ "description": "Adjustment pin. Ties to the midpoint of the external R1/R2 divider between OUTPUT and GND to program VOUT = 1.25V x (1 + R2/R1) + I_ADJ x R2. Internal reference holds this pin at 1.25V below OUTPUT. Typical adjustment-pin current is 50 \u03bcA (100 \u03bcA max)."+ },+ {+ "number": "2",+ "name": "OUT",+ "type": "power_out",+ "description": "Regulated output. Delivers up to 1.5A over VOUT = 1.25V to 37V (VIN-VOUT differential 3V to 40V). Also electrically bonded to the package TAB for heatsinking. Optional 1 \u03bcF output capacitor improves transient response."+ },+ {+ "number": "3",+ "name": "IN",+ "type": "power_in",+ "description": "Unregulated input supply. Recommended 3V to 40V above VOUT (absolute max input-to-output differential 40V). Add a 0.1 \u03bcF input bypass if the device sits more than 6 inches from the input filter capacitors."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/lm317.pdf",+ "pages": 44,+ "sha256": "323ec64a58515090",+ "source_tier": "mfr"+ },+ "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"+ }+ },+ "metadata": {+ "specs": {+ "Type": "Adjustable positive linear regulator",+ "Output voltage": "1.25-37 V (VREF 1.25 V)",+ "Output current": "1.5 A",+ "Input voltage": "up to 40 V (VIN-VOUT <= 40 V)",+ "Dropout": "~2 V typ",+ "Protection": "Current limit + thermal shutdown",+ "Package": "TO-220",+ "Body (L\u00d7W\u00d7H)": "10.3 \u00d7 4.6 \u00d7 15.9 mm (TO-220)"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "lm317",+ "adjustable voltage regulator",+ "variable linear regulator",+ "1.25v to 37v regulator"+ ],+ "discovery_pitch": "LM317 3-pin adjustable positive linear voltage regulator (TO-220) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -26,10 +114,5 @@ "docs/lm317-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }