Programming instructions

SMPS Average Virtual
 National Instruments Corporation 12-23 Multisim Component Reference Guide
12.2.9 BUCKVM
This is the averaged model (no switching component) of a basic buck converter in a voltage
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.
12.2.10FLYBACKCM
This is the averaged model (no switching component) of a basic flyback converter in a current
mode controlled configuration.
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 resistor of output capacitor
Pin Name Description
IN Input voltage
OUT Output voltage
GND Ground
CONTROL Duty cycle setting
ComponentRef.book Page 23 Thursday, December 7, 2006 10:12 AM