"Set Cff to 220nF, not 100nF. The datasheet lies. Also, the ground plane matters more than your marriage. Run the transient analysis for 500ms, not 50. The instability shows up late."
Go to C:\ProgramData\Labcenter Electronics\Proteus 8 Professional\Data\LIBRARY (Note: ProgramData is a hidden folder). lm2596 library for proteus top
Connections: Pin1 (VIN) → +12V + 330µF cap Pin2 (OUT) → 100µH → 220µF + load Pin3 (GND) → Common ground Pin4 (FB) → Voltage divider (1k & 3.3k) Pin5 (ON/OFF) → GND (enable) Diode: 1N5822 from Pin2 to GND "Set Cff to 220nF, not 100nF
labcenter.com/forums Rating: ⭐⭐⭐ Includes: User-uploaded VSM models. Why it's TOP: These are verified by the software creators. However, you usually need to request access or build the model using the Proteus VSM SDK. "Set Cff to 220nF