Programming instructions

Lossy Transmission Line
 National Instruments Corporation 13-11 Multisim Component Reference Guide
For the critical condition between the CCM and the DCM of operation:
For the CCM:
The averaging behavior governed by these equations is modeled using Multisim’s built-in
analog behavioral modeling components. The AC small-signal model is automatically
computed.
13.7.2 Buck-Boost Converter Parameters and Defaults
13.8 Lossy Transmission Line
This component is a 2-port network that represents a medium, such as a wire or an
interconnect, through which electrical signals pass.
DD
II
DV
LF
LD Lcrit
i
s
2
1
2
=−
==
∗
∗∗
DD
VDVDV
II I
Li o
LLcritLL
2
2
1=−
=∗− ∗
=+
Symbol Parameter Name Default Unit
L Filter inductance 500 µH
R Filter inductor ESR 5 mW
Fs Switching frequency 50 kHz
ComponentRef.book Page 11 Thursday, December 7, 2006 10:12 AM