-180
-120
-60
0
60
120
180
-60
-40
-20
0
20
40
60
10
100
1000
10000
100000
1000000
P
h
a
se
-
Deg
re
e
s
Ga
in
-
d
B
Frequency - Hz
C005
Gain
Phase
V
= 200 mV / div (ac coupled)
OUT
Time = 200 µsec / div
I
= 1 A / div
OUT
Load step = 0.75 A - 2.25 A, slew rate = 500 mA / µsec
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Test Setup and Results
7
SLVUB76 – July 2017
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TPS54335AEVM-010 3-A Regulator Evaluation Module
2.5
Load Transients
Figure 5
shows the TPS54335AEVM-010 response to load transients. The current step is from 25% to
75% of maximum rated load at 24-V input. Total peak-to-peak voltage variation is as shown, including
ripple and noise on the output.
Figure 5. TPS54335AEVM-010 Transient Response
2.6
Loop Characteristics
Figure 6
shows the TPS54335AEVM-010 loop-response characteristics. Gain and phase plots are shown
for V
IN
voltage of 24 V. Load current for the measurement is 1.5 A.
Figure 6. TPS54335AEVM-010 Loop Response
