Switching transformer for a combinational circuit part supplies voltage for a load in a normal operating state and in a standby operation

摘要

First (K1) and second (K2) terminals apply a first voltage (Uin). Output terminals (K3,K4) provide a second voltage (Uout) and a transformer unit (TU) that connects between the first/second and output terminals and has a first transformer (TR1). A second TU (20) has a second transformer (TR2) with primary (Lp2) and secondary (LS2) coils.