Tl494 Ltspice Jun 2026

LTspice does include a TL494 model by default. You have three options:

A classic test for the TL494 is a free-running PWM generator. To build this in LTspice: tl494 ltspice

You can locate community-repaired macro-models on open repositories: LTspice does include a TL494 model by default

Grounded for common-emitter; driver output for emitter-follower Emitter Output 2 Secondary phase output 11 Collector Output 2 Secondary phase output 12 Supply Voltage Power supply for internal circuitry (7V to 40V) 13 OUTPUT CTRL Output Mode Select Single-ended (GND) or Push-Pull (VREF) 14 5V Reference Output Regulated 5V output for internal/external biasing 15 Error Amplifier 2 Inverting Input Overcurrent protection limit 16 Error Amplifier 2 Non-inverting Input Overcurrent protection sense 4. Configuring the Test Bench tl494 ltspice