Consider a buck converter connected to a PV module. The average PV voltage is 40[V] and the average load voltage is 4[V] . If the time the transistor is closed during a switching period is 1[μs] , what is the switching frequency of the converter? Give the answer in [kHz] and as an integer.

Question

Consider a buck converter connected to a PV module. The average PV voltage is  40[V]  and the average load voltage is  4[V] . If the time the transistor is closed during a switching period is  1[μs] , what is the switching frequency of the converter? Give the answer in  [kHz]  and as an integer.