component
TL494IDR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+13−10@@ -32,37 +32,37 @@ "number": "1", "name": "1IN+", "type": "input",- "description": "Noninverting input to error amplifier 1. Common-mode input range \u22120.3 V to VCC \u2212 2 V."+ "description": "Noninverting input to error amplifier 1. Common-mode input range −0.3 V to VCC − 2 V." }, { "number": "2", "name": "1IN-", "type": "input",- "description": "Inverting input to error amplifier 1. Common-mode input range \u22120.3 V to VCC \u2212 2 V."+ "description": "Inverting input to error amplifier 1. Common-mode input range −0.3 V to VCC − 2 V." }, { "number": "3", "name": "FEEDBACK", "type": "input",- "description": "Feedback / PWM-comparator input. Zero-duty-cycle input threshold \u22484 V; sinks 0.3-0.7 mA at 0.7 V. Ties together error-amp outputs and PWM comparator input."+ "description": "Feedback / PWM-comparator input. Zero-duty-cycle input threshold ≈4 V; sinks 0.3-0.7 mA at 0.7 V. Ties together error-amp outputs and PWM comparator input." }, { "number": "4", "name": "DTC", "type": "input",- "description": "Dead-time control comparator input. Programs the minimum guaranteed off-time between output pulses; 0 V gives ~45% max duty per output, ~3.3 V forces zero duty. Input bias current up to \u221210 \u03bcA (0 to 5.25 V)."+ "description": "Dead-time control comparator input. Programs the minimum guaranteed off-time between output pulses; 0 V gives ~45% max duty per output, ~3.3 V forces zero duty. Input bias current up to −10 μA (0 to 5.25 V)." }, { "number": "5", "name": "CT", "type": "passive",- "description": "Oscillator timing capacitor terminal. CT ties from this pin to GND; recommended 0.47 nF to 10 \u03bcF. Sets oscillator frequency together with RT (fosc \u2248 1.1/(RT\u00b7CT))."+ "description": "Oscillator timing capacitor terminal. CT ties from this pin to GND; recommended 0.47 nF to 10 μF. Sets oscillator frequency together with RT (fosc ≈ 1.1/(RT·CT))." }, { "number": "6", "name": "RT", "type": "passive",- "description": "Oscillator timing resistor terminal. RT ties from this pin to GND; recommended 1.8 k\u03a9 to 500 k\u03a9. Sets oscillator charge current with CT for fosc = 1 kHz-300 kHz."+ "description": "Oscillator timing resistor terminal. RT ties from this pin to GND; recommended 1.8 kΩ to 500 kΩ. Sets oscillator charge current with CT for fosc = 1 kHz-300 kHz." }, { "number": "7",@@ -110,19 +110,19 @@ "number": "14", "name": "REF", "type": "power_out",- "description": "Internal 5-V \u00b15% precision reference output (4.75-5.25 V at IO = 1 mA). Source up to 10 mA to external circuitry; short-circuit current \u224825 mA. Commonly used to bias OUTPUT CTRL and error-amp dividers."+ "description": "Internal 5-V ±5% precision reference output (4.75-5.25 V at IO = 1 mA). Source up to 10 mA to external circuitry; short-circuit current ≈25 mA. Commonly used to bias OUTPUT CTRL and error-amp dividers." }, { "number": "15", "name": "2IN-", "type": "input",- "description": "Inverting input to error amplifier 2. Common-mode input range \u22120.3 V to VCC \u2212 2 V."+ "description": "Inverting input to error amplifier 2. Common-mode input range −0.3 V to VCC − 2 V." }, { "number": "16", "name": "2IN+", "type": "input",- "description": "Noninverting input to error amplifier 2. Common-mode input range \u22120.3 V to VCC \u2212 2 V."+ "description": "Noninverting input to error amplifier 2. Common-mode input range −0.3 V to VCC − 2 V." } ], "provenance": {@@ -186,5 +186,8 @@ "docs/tl494idr-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }