Programming instructions

SMPS Average Virtual
 National Instruments Corporation 12-29 Multisim Component Reference Guide
 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.
12.2.16FORWARDVM
This is the averaged model (no switching component) of a forward converter in a voltage
mode controlled configuration.
VOUT Output voltage
VIN Input voltage
RL Load resistor
N Primary versus secondary transformer ratio
Parameter Description
Pin Name Description
IN Input voltage
OUT Output voltage
GND Ground
DON Duty cycle setting
Parameter Description
FS Switching frequency
L Main inductor
RS Equivalent series resistance of output
capacitor
N Primary versus secondary transformer ratio
ComponentRef.book Page 29 Thursday, December 7, 2006 10:12 AM