Tl494 Ltspice [patched] Page

1 = 1IN+ 2 = 1IN- 3 = 2IN+ 4 = 2IN- 5 = FB 6 = COMP

: Ensure this pin is tied to GND for maximum duty cycle or biased with a voltage to set a specific dead-time, otherwise, the PWM may not start [8, 15]. Wait for Stabilization tl494 ltspice

However, designing a power supply on paper is not enough. Modern engineering demands verification. Enter —the powerful, free simulation tool from Analog Devices. Combining the TL494 with LTSpice allows you to debug feedback loops, analyze switching waveforms, and optimize component selection without risking blown MOSFETs or burning resistors. 1 = 1IN+ 2 = 1IN- 3 =

| Problem | Fix | |-----------------------------|----------------------------------------------------------| | Timestep too small / slow | Add a small capacitance (e.g., 1 pF) to high‑gain nodes | | Outputs not switching | Check VCC (pin 12) > 7 V, RT/CT connected, DTC (pin 4) not forced high | | Reference voltage missing | Model may need REF loaded with > 10 mA (add a resistor) | | Convergence errors | Use uic (skip initial DC solution) or startup flag | Enter —the powerful, free simulation tool from Analog