component
SG3525M
Public Made by Adomby adom
HGSEMI AC-DC Controllers and Regulators, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+12−9@@ -32,7 +32,7 @@ "number": "1", "name": "Inv. Input", "type": "input",- "description": "Inverting input of the internal error amplifier. Typical input offset 1.5mV, bias current ~1\u00b5A, common-mode range up to VREF (5.1V). Used with the compensation pin to close the voltage-regulation loop."+ "description": "Inverting input of the internal error amplifier. Typical input offset 1.5mV, bias current ~1µA, common-mode range up to VREF (5.1V). Used with the compensation pin to close the voltage-regulation loop." }, { "number": "2",@@ -50,13 +50,13 @@ "number": "4", "name": "OSC. Output", "type": "output",- "description": "Oscillator clock output. Delivers a ~4V, 0.6\u00b5s-wide clock pulse per cycle, used for scope monitoring or as a sync source for downstream stages."+ "description": "Oscillator clock output. Delivers a ~4V, 0.6µs-wide clock pulse per cycle, used for scope monitoring or as a sync source for downstream stages." }, { "number": "5", "name": "CT", "type": "passive",- "description": "Timing capacitor pin. Connect CT to GND to set the oscillator frequency together with RT (e.g. RT=2k\u03a9, CT=470pF \u2192 ~400kHz; RT=200k\u03a9, CT=0.1\u00b5F \u2192 ~60Hz)."+ "description": "Timing capacitor pin. Connect CT to GND to set the oscillator frequency together with RT (e.g. RT=2kΩ, CT=470pF → ~400kHz; RT=200kΩ, CT=0.1µF → ~60Hz)." }, { "number": "6",@@ -74,13 +74,13 @@ "number": "8", "name": "Soft-Start", "type": "passive",- "description": "Soft-start capacitor pin. A ~50\u00b5A (typ 51\u00b5A, 25-80\u00b5A) internal source charges an external cap here to slowly ramp the PWM duty cycle at start-up; discharged low (<0.7V) during shutdown."+ "description": "Soft-start capacitor pin. A ~50µA (typ 51µA, 25-80µA) internal source charges an external cap here to slowly ramp the PWM duty cycle at start-up; discharged low (<0.7V) during shutdown." }, { "number": "9", "name": "Compensation", "type": "output",- "description": "Error-amplifier output / PWM comparator input. External RC network from this pin sets the loop compensation. PWM zero duty at ~0.9V, max duty (\u226545%) at ~3.2V."+ "description": "Error-amplifier output / PWM comparator input. External RC network from this pin sets the loop compensation. PWM zero duty at ~0.9V, max duty (≥45%) at ~3.2V." }, { "number": "10",@@ -92,7 +92,7 @@ "number": "11", "name": "Output A", "type": "output",- "description": "Totem-pole PWM output A. Sources/sinks >150mA (peak 400mA); VOH \u226518V at 20mA source, VOL \u22640.4V at 20mA sink. Alternates with Output B at half the oscillator frequency for push-pull/bridge drive."+ "description": "Totem-pole PWM output A. Sources/sinks >150mA (peak 400mA); VOH ≥18V at 20mA source, VOL ≤0.4V at 20mA sink. Alternates with Output B at half the oscillator frequency for push-pull/bridge drive." }, { "number": "12",@@ -116,13 +116,13 @@ "number": "15", "name": "VCC", "type": "power_in",- "description": "Main chip supply. Operating range 8-35V with UVLO threshold ~7V (6-8V). Typical ICC 12mA, max 20mA at 35V. Decouple locally with 0.1\u00b5F."+ "description": "Main chip supply. Operating range 8-35V with UVLO threshold ~7V (6-8V). Typical ICC 12mA, max 20mA at 35V. Decouple locally with 0.1µF." }, { "number": "16", "name": "Vref", "type": "power_out",- "description": "Internal 5.1V \u00b11% reference output. Sources up to 20mA (short-circuit ~80mA). Decouple with 0.1\u00b5F to GND; can be used as bias for the error-amp non-inverting input."+ "description": "Internal 5.1V ±1% reference output. Sources up to 20mA (short-circuit ~80mA). Decouple with 0.1µF to GND; can be used as bias for the error-amp non-inverting input." } ], "provenance": {@@ -186,5 +186,8 @@ "docs/sg3525m-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }