Because LTspice does not include a TL494 model out of the box, implementing it requires importing external SPICE subcircuits ( ) and symbols (
.ENDS TL494
is essential for power electronics design, though it requires specific handling due to the lack of a native model in the standard LTspice library. MK Dynamics Availability of TL494 LTspice Models no official LTspice model tl494 ltspice
7 = CT 8 = RT 9 = GND 10 = C1 11 = C2 12 = VCC Because LTspice does not include a TL494 model