component
LM2575S-3.3
Public Made by Adomby adom
UMW DC-DC Converters, TO-263-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+98−8@@ -1,13 +1,108 @@ {+ "schema_version": 1,+ "type": "component", "slug": "lm2575s-3-3",+ "title": "LM2575S-3.3",+ "brief": "UMW DC-DC Converters, TO-263-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "UMW DC-DC Converters, TO-263-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "pmic", "lm2575s-3.3" ],+ "component": {+ "mpn": "LM2575S-3.3",+ "manufacturer": "UMW",+ "package": "TO-263-5",+ "pin_count": 5,+ "category": "PMIC",+ "subcategory": "DC-DC Converters",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2211111030_UMW-Youtai-Semiconductor-Co---Ltd--LM2575S-3-3_C347404.pdf",+ "parts": {+ "symbol": "lm2575s-3-3.kicad_sym",+ "footprint": "lm2575s-3-3.kicad_mod",+ "model_3d": "lm2575s-3-3.glb",+ "model_3d_step": "lm2575s-3-3.step",+ "lbr": "lm2575s-3-3.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "VIN",+ "type": "power_in",+ "description": "Input supply voltage. Operating range 4.75V to 40V for the LM2575 (up to 60V for the HV variant); absolute max 45V (LM2575) / 63V (LM2575HV). Requires a bulk input capacitor (e.g. 680 uF) close to this pin."+ },+ {+ "number": "2",+ "name": "Output",+ "type": "output",+ "description": "Switching output from the internal 2A power transistor. Connects to the catch diode (e.g. 1N5824 Schottky) cathode and the output filter inductor. Saturation voltage ~1.16V at 2A; internal current limit typ. 2.2A."+ },+ {+ "number": "3",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground return. Also the thermal path for the TO-263 tab; the exposed tab is electrically connected to GND and should be soldered to a copper pour for heatsinking (theta_JA ~20-50 C/W depending on copper area)."+ },+ {+ "number": "4",+ "name": "Feedback",+ "type": "input",+ "description": "Output voltage feedback sense. On the fixed 3.3V version this pin is tied directly to the regulated output node; the internal reference regulates it to 3.3V (Vout tolerance +/-4% over line/load). Feedback bias current 10 nA typ (adjustable variant)."+ },+ {+ "number": "5",+ "name": "ON/OFF",+ "type": "input",+ "description": "Active-low shutdown input. Regulator is ON when the pin is low or left floating (VIL max 1.2V) and enters low-power standby when driven high (VIH min 1.4V, IQ_standby ~50 uA). Input range -0.3V to +VIN; TTL-compatible."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2211111030_UMW-Youtai-Semiconductor-Co---Ltd--LM2575S-3-3_C347404.pdf",+ "pages": 30,+ "sha256": "b0c31af439f0b6b9",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 5,+ "described": 5,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "UMW",+ "Package": "TO-263-5",+ "Category": "PMIC",+ "Pins": "5"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "lm2575s-3.3"+ ],+ "discovery_pitch": "LM2575S-3.3 (UMW) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +120,5 @@ "docs/lm2575s-3-3-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }