SEPIC DC conversion ratio and efficiency
* example of Section B.1.3

* Define parameters:
.param  Ron=0.0 VD=0.8 RD=0.05

* Analysis setup:
.dc lin Vc 0.1 1 0.01 
.step lin PARAM Ron 0 1 0.5 

* Converter netlist:
Vg 1 0 50V
L1 1 2x  800u  
RL1 2x 2 0.5
L2 0 3x 100uH
RL2 3x 3 0.1
C1 2 3 100uF
C2 4 0 100uF
Xswitch 2 0 4 3 5 CCM2 
+params: Ron={Ron} VD={VD} RD={RD}
Rload 4 0 50

* Duty cycle input:
Vc 5 0 0.5

.lib switch.lib
.probe
.end