Parameters name

Symbol

Value

Input voltage

Vin

10 V

Output voltage

Vo

−19.6 V

Inductor

L1

45 µH

Capacitors

C1, Co

4.7 µF, 22 µF

Nominal switching frequency

f

100 kHz

Load resistance

R

416.16.

Average input current

Iin

0.11 A

Efficiency

82.5%

Average output current

Io

−0.047 A

Duty ratio

d

0.2

D'

0.21

Peak to peak capacitor ripple

−0.01 V