AP = 0.88 cm4 Ve = 4498mm3 le = 64.0mm
Step3. 估算临界电流 IOB ( DCM / CCM BOUNDARY )
本例以IL达80% Iomax时为临界点设计变压器.
即 : IOB = 80%*Io(max) = 0.8*3.16 = 2.528 A
Step4. 求匝数比 n
n = [VIN(min) / (Vo + Vf)] * [Dmax / (1-Dmax)]