- Unidirectional
- Optional quasi-resonant construction
→ Converter efficiency benefits from zero-voltage and/or zero-current switching
+ Multiple voltage levels from auxiliary windings
+ Sufficient leakage inductance discharges parasitic capacitances → zero voltage switching (ZVS) → minimal switching and circulating conduction losses
- Power ranges:
o Phase-shift full-bridge converter → 1kW+
o Interleaved full-bridge converter → 10kW+