The is a classic PWM control IC widely used in power electronics, such as inverters and DC-DC converters. While it is not a native component in the standard LTspice library, it can be simulated by importing third-party SPICE models. 1. TL494 Core Architecture
Configure your simulation command for a transient analysis to observe the startup behavior and steady-state switching waveforms. Click on > Edit Simulation Cmd . Select the Transient tab. tl494 ltspice
fosc=1.2RT×CTf sub o s c end-sub equals the fraction with numerator 1.2 and denominator cap R sub cap T cross cap C sub cap T end-fraction Frequency Calculation Example If your target switching frequency is The is a classic PWM control IC widely