component
LM2576SX-3.3
Public Made by Adomby adom
TECH PUBLIC LM2576SX 3 3 DC-DC Converters, TO-263-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -35,6 +35,20 @@ LM2576SX-3.3 from TECH PUBLIC LM2576SX 3 3, in a TO-263-5. Pinout and pin descri - Footprint: `Package_TO_SOT_SMD:TO-263-5_TabPin6` - 3D model: TO-263-5 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`lm2576sx-3-3.step`](lm2576sx-3-3.step) | 180 KB | You want the bare part, or you mark your own boards. |+| [`lm2576sx-3-3-etched.step`](lm2576sx-3-3-etched.step) | 2.2 MB | You want the part with `LM2576SX-3.3` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 572 faces against 135 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance Data extracted from the manufacturer datasheet, not a distributor listing:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "lm2576sx-3-3",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "TECH PUBLIC LM2576SX 3 3 DC-DC Converters, TO-263-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+9−6@@ -4,7 +4,7 @@ "slug": "lm2576sx-3-3", "title": "LM2576SX-3.3", "brief": "TECH PUBLIC LM2576SX 3 3 DC-DC Converters, TO-263-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -34,7 +34,7 @@ "number": "1", "name": "Vin", "type": "power_in",- "description": "Unregulated DC input supply. Recommended operating range 4.75V to 40V (absolute max 45V). Bypass locally with a low-ESR bulk capacitor (typ. 100\u00b5F) to ground."+ "description": "Unregulated DC input supply. Recommended operating range 4.75V to 40V (absolute max 45V). Bypass locally with a low-ESR bulk capacitor (typ. 100µF) to ground." }, { "number": "2",@@ -52,13 +52,13 @@ "number": "4", "name": "Feedback", "type": "input",- "description": "Output voltage sense input for the internal error amplifier. On the fixed 3.3V version, connect directly to the regulated output node; the internal divider sets Vout = 3.3V (\u00b14%). Feedback bias current is typically 50nA."+ "description": "Output voltage sense input for the internal error amplifier. On the fixed 3.3V version, connect directly to the regulated output node; the internal divider sets Vout = 3.3V (±4%). Feedback bias current is typically 50nA." }, { "number": "5", "name": "Enable", "type": "input",- "description": "ON/OFF shutdown control input. Logic LOW (<1.0V) or tied to GND enables the regulator; logic HIGH (>2.2V, up to 25V absolute max) forces the regulator into low-power standby (typ. 70\u00b5A). Input current typ. 12\u00b5A at 5V."+ "description": "ON/OFF shutdown control input. Logic LOW (<1.0V) or tied to GND enables the regulator; logic HIGH (>2.2V, up to 25V absolute max) forces the regulator into low-power standby (typ. 70µA). Input current typ. 12µA at 5V." }, { "number": "6",@@ -139,6 +139,9 @@ "docs/hero.png", "docs/lm2576sx-3-3-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"- ]+ "viewers/footprint.html",+ "pads.json"+ ],+ "description": "TECH PUBLIC LM2576SX 3 3 DC-DC Converters, TO-263-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "visibility": "public" }