component
LM2576S-12
Public Made by Adomby adom
HGSEMI DC-DC Converters, TO-263-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
page.json+8−5@@ -32,13 +32,13 @@ "number": "1", "name": "VIN", "type": "power_in",- "description": "Unregulated DC input supply. Operating range 15V-40V for LM2576 (up to 60V for LM2576HV). Bypass with a low-ESR 100\u00b5F electrolytic close to the pin."+ "description": "Unregulated DC input supply. Operating range 15V-40V for LM2576 (up to 60V for LM2576HV). Bypass with a low-ESR 100µF electrolytic close to the pin." }, { "number": "2", "name": "Output", "type": "power_out",- "description": "Switching output from the internal 3A NPN power switch. Connect to the catch Schottky diode (e.g. 1N5822) cathode and the LC output filter (typ. 100\u00b5H + 1000\u00b5F) that produces the regulated 12V rail."+ "description": "Switching output from the internal 3A NPN power switch. Connect to the catch Schottky diode (e.g. 1N5822) cathode and the LC output filter (typ. 100µH + 1000µF) that produces the regulated 12V rail." }, { "number": "3",@@ -56,13 +56,13 @@ "number": "5", "name": "ON/OFF", "type": "input",- "description": "Active-low TTL-compatible shutdown input. Logic LOW (VIL \u2264 1.0V) or grounded = regulator ON; logic HIGH (VIH \u2265 2.2V, up to VIN) = shutdown (~50\u00b5A standby current). Do not leave floating; tie to GND for always-on operation."+ "description": "Active-low TTL-compatible shutdown input. Logic LOW (VIL ≤ 1.0V) or grounded = regulator ON; logic HIGH (VIH ≥ 2.2V, up to VIN) = shutdown (~50µA standby current). Do not leave floating; tie to GND for always-on operation." }, { "number": "TAB", "name": "GND", "type": "passive",- "description": "Exposed metal tab, internally connected to pin 3 (Ground). Provides the primary thermal path (R\u03b8JC(bot) \u2248 0.4\u00b0C/W); solder to a copper ground pour sized for the required \u03b8JA."+ "description": "Exposed metal tab, internally connected to pin 3 (Ground). Provides the primary thermal path (RθJC(bot) ≈ 0.4°C/W); solder to a copper ground pour sized for the required θJA." } ], "provenance": {@@ -126,5 +126,8 @@ "docs/lm2576s-12-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }