component
UC3845B
Public Made by Adomby adom
UMW AC-DC Controllers and Regulators, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+8−5@@ -32,13 +32,13 @@ "number": "1", "name": "COMP", "type": "output",- "description": "Error Amplifier output pin, used for external loop compensation. Typical high output voltage 5-6 V, low output 0.8-1.1 V (with 15 k\u03a9 load)."+ "description": "Error Amplifier output pin, used for external loop compensation. Typical high output voltage 5-6 V, low output 0.8-1.1 V (with 15 kΩ load)." }, { "number": "2", "name": "VFB", "type": "input",- "description": "Inverting input of the Error Amplifier. Normally connected to the switching power supply output through a resistor divider; internal reference at 2.5 V (typ). Input bias current -0.1 \u00b5A typ."+ "description": "Inverting input of the Error Amplifier. Normally connected to the switching power supply output through a resistor divider; internal reference at 2.5 V (typ). Input bias current -0.1 µA typ." }, { "number": "3",@@ -62,13 +62,13 @@ "number": "6", "name": "OUT", "type": "output",- "description": "Totem-pole gate drive output for an external power MOSFET. Sources/sinks peak currents up to 1 A. VOH \u2248 13-13.5 V, VOL \u2248 0.08-1.4 V depending on load; rise/fall time ~35-45 ns into 1 nF."+ "description": "Totem-pole gate drive output for an external power MOSFET. Sources/sinks peak currents up to 1 A. VOH ≈ 13-13.5 V, VOL ≈ 0.08-1.4 V depending on load; rise/fall time ~35-45 ns into 1 nF." }, { "number": "7", "name": "VCC", "type": "power_in",- "description": "Positive supply for the IC. UVLO start threshold 8.4 V typ (7.8-9 V), min operating 7.6 V typ (7-8.2 V) after turn-on. Absolute max 30 V; zener clamp \u2248 30-38 V at 25 mA. Operating supply current 13 mA typ; start-up current 0.5 mA typ."+ "description": "Positive supply for the IC. UVLO start threshold 8.4 V typ (7.8-9 V), min operating 7.6 V typ (7-8.2 V) after turn-on. Absolute max 30 V; zener clamp ≈ 30-38 V at 25 mA. Operating supply current 13 mA typ; start-up current 0.5 mA typ." }, { "number": "8",@@ -138,5 +138,8 @@ "docs/uc3845b-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }