Programming instructions

SMPS Average Virtual
 National Instruments Corporation 12-31 Multisim Component Reference Guide
12.2.18SEPICCM
This is the averaged model (no switching component) of a SEPIC (single-ended primary
inductor converter) in a current mode controlled configuration.
 To view or change a component’s model parameters:
1. Double-click on the placed component and select the Valu e tab.
2. Click Edit Model to display the Edit Model dialog box.
3. View or edit the model parameters as desired. For more information on the Edit Model
dialog box, refer to the Multisim User Guide, or the Multisim helpfile.
Pin Name Description
IN Input voltage
CS Compensation capacitor to ground
GND Ground
CP Output and compensation capacitor to
ground capacitor
DON Duty cycle setting
Parameter Description
RON On resistance of switch
LP Primary inductance value
LS Secondary inductance value
MC Compensation ramp (V/s)
RI Sense resistor
FS Switching Frequency
ComponentRef.book Page 31 Thursday, December 7, 2006 10:12 AM