component
LM1117-3.3
Public Made by Adomby adom
TI 800 mA low-dropout regulator, SOT-223. Fixed 3.3 V, 1.2 V dropout, current limit + thermal. Datasheet-verified.
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page.json+98−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "lm1117",+ "title": "LM1117-3.3",+ "brief": "TI 800 mA low-dropout regulator, SOT-223. Fixed 3.3 V, 1.2 V dropout, current limit + thermal. Datasheet-verified.", "version": "0.1.0",- "type": "component",- "description": "TI 800 mA low-dropout regulator, SOT-223. Fixed 3.3 V, 1.2 V dropout, current limit + thermal. Datasheet-verified.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "voltage-regulator",@@ -11,6 +14,98 @@ "sot-223", "texas-instruments" ],+ "component": {+ "mpn": "LM1117",+ "manufacturer": "Texas Instruments",+ "package": "SOT-223",+ "pin_count": 4,+ "category": "Power Management",+ "subcategory": "800 mA LDO regulator (fixed 3.3 V)",+ "datasheet": "https://www.ti.com/lit/ds/symlink/lm1117.pdf",+ "parts": {+ "symbol": "lm1117.kicad_sym",+ "footprint": "lm1117.kicad_mod",+ "model_3d": "lm1117.glb"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "ADJ/GND",+ "type": "input",+ "description": "Adjust pin for the adjustable (LM1117-ADJ) option: connects to the top of an external resistor divider from VOUT to set VOUT = 1.25 V x (1 + R2/R1); adjust-pin current is 60 uA typical (120 uA max over temperature). For fixed-voltage options this pin is ground (0 V reference)."+ },+ {+ "number": "2",+ "name": "VOUT",+ "type": "power_out",+ "description": "Regulated output voltage pin, up to 800 mA of load current. Requires a minimum 10-uF tantalum capacitor to GND for output stability and transient response. Electrically the same net as pin 4 and the tab."+ },+ {+ "number": "3",+ "name": "VIN",+ "type": "power_in",+ "description": "Unregulated input voltage pin, recommended operating range up to 15 V (absolute max 20 V to GND). Must be at least VOUT + 1.2 V (dropout at 800 mA) for the regulator to remain in regulation. Bypass with an input capacitor close to the pin."+ },+ {+ "number": "4",+ "name": "VOUT",+ "type": "power_out",+ "description": "Regulated output voltage pin (same net as pin 2 and the SOT-223 tab). Included on the SOT-223 (DCY) package as a second output lead to help distribute the 800 mA output current."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/lm1117.pdf",+ "pages": 46,+ "sha256": "35892f3a8673fae9",+ "source_tier": "mfr"+ },+ "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"+ }+ },+ "metadata": {+ "specs": {+ "Type": "Fixed LDO linear regulator",+ "Output voltage": "3.3 V (fixed)",+ "Output current": "800 mA",+ "Dropout": "1.2 V max at 800 mA",+ "Protection": "current limit + thermal shutdown",+ "Output cap": "10 \u00b5F (stability)",+ "Pinout": "1=GND, 2=VOUT (tab), 3=VIN",+ "Package": "SOT-223"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "lm1117",+ "lm1117-3.3",+ "800ma ldo",+ "3.3v regulator",+ "sot-223 ldo"+ ],+ "discovery_pitch": "LM1117-3.3 800 mA fixed 3.3 V low-dropout regulator (SOT-223) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -26,10 +121,5 @@ "docs/lm1117-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }