This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
Question about switching losses calculation for TPS54531 (page 19 in Datasheet):
what is the units of 0.5e-9 and why Vin^2 ?
Hi, Yuri
0.5*e^-9 unit is Sec/V, (0.5*e^-9)*Vin=Tr=Tf --> PH rising/falling time.
So the Psw = 0.5*Tr*Vin*Iout*fsw + 0.5*Tf*Vin*Iout*fsw = Tr*Vin*Iout*fsw = Tf*Vin*Iout*fsw