Tyco TX 75149 - Manual (Page 11)

11
R
load
= 0.5 ohm
R
s1
= 1 R
s2
= 5 mohm
L
s1
= 4 L
s2
= 100 nH
R
a1
= 100 R
a2
= 100 R
a3
= 10 R
b1
= 10 R
b2
= 10 mohm
L
a1
= 1 L
a2
= 1 L
a3
= 1 L
b1
= 10 L
b2
= 10 nH
C
a1
= 10 C
a2
= 10 C
a3
= 1000 C
b1
= 1000 C
b2
= 1000
µ F
696.6 Hz
52.06 degrees
Stability Analysis Tool
Notepad Area for JFW050A Module
Please enter the circuit parameters below
Gain crossover frequency:
Phase Margin:
Phase of the Loop Gain
-180
-120
-60
0
60
120
180
100 1000 10000 100000
Frequency (Hz)
P
h
ase
(d
eg)
Magnitude of the Loop Gain
-60
-40
-20
0
20
40
100 1000 10000 100000
Frequency (Hz)
Ga
in
(d
B
)
Clic k to Ca lc ula te Stability
C
a1
L
S1
R
S1
R
a 1
R
L DC /DC
C O NVERTER
L
a1
C
a2
R
a2
L
a2
SENSE
L
S2
R
S2
C
b1
R
b1
L
b1
C
a3
R
a3
L
a3
C
b2
R
b2
L
b2
Fig. 5. Voltage-loop-response Bode plot with phase margin and gain crossover
frequency calculated and displayed.
R
load
= 0.5 ohm
R
s1
= 1 R
s2
= 5 mohm
L
s1
= 4 L
s2
= 100 nH
R
a1
= 100 R
a2
= 100 R
a3
= 10 R
b1
= 10 R
b2
= 10 mohm
L
a1
= 1 L
a2
= 1 L
a3
= 1 L
b1
= 10 L
b2
= 10 nH
C
a1
= 10 C
a2
= 10 C
a3
= 1000 C
b1
= 1000 C
b2
= 6800
µ F
399.5 Hz
42.8 degrees
Stability Analysis Tool
Notepad Area for JFW050A Module
Please enter the circuit parameters below
Gain crossover frequency:
Phase Margin:
Phase of the Loop Gain
-180
-120
-60
0
60
120
180
100 1000 10000 100000
Frequency (Hz)
P
h
ase
(d
eg)
Magnitude of the Loop Gain
-60
-40
-20
0
20
40
100 1000 10000 100000
Frequency (Hz)
Ga
in
(d
B)
Clic k to Calc ula te Sta bility
C
a 1
L
S1
R
S1
R
a1
R
L DC /DC
C O NV E RTE R
L
a1
C
a2
R
a2
L
a2
SENSE
L
S2
R
S2
C
b1
R
b1
L
b1
C
a 3
R
a 3
L
a3
C
b2
R
b2
L
b2
Fig. 6. Voltage loop response Bode plot when C
b2
=6800
µ
F