Texas Instruments TPS40195, User Manual, Page: 13 / 23

7.5 Bode Plots
Gain/Phase
vs
Frequency
-60
-45
-30
-15
0
15
30
45
60
100 1000 10000 100000 1000000
Frequency - Hz
G
a
in
-
d
B
0
45
90
135
180
P
h
a
s
e
°
Gain
Phase
Figure 7-6. TPS40195EVM Bode Plot V
IN
= 12 V,
I
OUT
= 20 A, Crossover Frequency = 48 kHz, Phase
Margin = 57.5°
Gain/Phase
vs
Frequency
-60
-45
-30
-15
0
15
30
45
60
100 1000 10000 100000 1000000
Frequency - Hz
G
a
in
-
d
B
0
45
90
135
180
P
h
a
s
e
-
°
Gain
Phase
Figure 7-7. TPS40195EVM Bode Plot V
IN
= 12 V,
I
OUT
= 0 A, Crossover Frequency = 46 kHz, Phase
Margin = 62°
www.ti.com TPS40195EVM Typical Performance Data and Characteristic Curves
SLUU297B – DECEMBER 2007 – REVISED JANUARY 2022
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TPS40195 Buck Controller Evaluation Module User's Guide 13
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