EXCITATION DIAGRAM FOR EXCITATION LOAD DIAGRAM

摘要

1. The drive circuit (1) for driving a load circuit comprising a first load (2) and a second load (3), the first load (2) containing one or more first light emitting diodes, the second load (3) containing one or more second light emitting diodes, while the excitation circuit (1) contains a transformer circuit (21) with a primary side winding that is connected to the source circuit, and with a first secondary side winding that is connected to the first load (2), and to the second secondary side winding, which is connected to the second heat narrow (3), and - definition circuit (22) for determining the first secondary side current as the first function of the primary side current and primary side voltage and primary side inductance and the first transformation coefficient. 2. The driving circuit (1) according to claim 1, wherein said first function determines that the first current of the secondary side is proportional to the difference between the first signal proportional to the integral of the voltage of the primary side divided by the inductance of the primary side and the second signal proportional to the current of the primary side, the difference is multiplied by the first transformation coefficient, while the above-mentioned determination circuit (22) is intended to determine the second secondary side current as a second function of the primary side current and voltage the primary side and the inductance of the primary side and the second transformation coefficient, and said second function determines that the second current of the secondary side is proportional to the difference between the first signal and the second signal, the difference being multiplied by the second transformation coefficient. 3. The circuit (1) excitation n