Buck Converter Calculation Sheet

Buck Converter
Vsource:
18
Input the voltage range:
Vdc
to
(min)
25.2
Vdc
(max)
Input the output voltage:
Output Voltage:
12
Vdc
Input the output power:
The output power varies from:
4
to
(min)
12
(max)
W
Input frequency:
Frequency:
250000 Hz
Duty Cycle
Dmin:
0.666666667
%
Dmax:
0.476190476
%
12
Ω
1.26E-05
H
Resistance
Rmin:
36
Ω
Rmax:
Inductance
L-min:
2.40E-05
H
L-max:
Max Inductance:
Input Margin:
2.40E-05
Selected Inductance:
1.5
3.60E-05
Capacitance
C-min:
Input Ripple %:
1.85E-06
Min Capacitance:
Selected Capacitance:
F
C-max:
0.01
2.91E-06
1.85E-06
2.78E-06
F