Programming instructions

SMPS Average Virtual
 National Instruments Corporation 12-27 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.
12.2.14FORWARDCM
This is the averaged model (no switching component) of a basic forward converter in a
current mode controlled configuration.
RI Current sense resistor
VOUT Output voltage
VIN Input voltage
RL Load resistor
N Primary sensing versus secondary coil ratio
Parameter Description
Pin Name Description
IN Input voltage
OUT Output voltage
GND Ground
CONTROL Feedback voltage error
Parameter Description
FS Switching frequency
LS Secondary inductance
RS Equivalent series resistor of output capacitor
MC Compensation ramp (in V/S)
ComponentRef.book Page 27 Thursday, December 7, 2006 10:12 AM