Texas Instruments 60V Input, 3A, Step-Down Converter Evaluation Module TPS54360EVM-182 TPS54360EVM-182 Datenbogen
Produktcode
TPS54360EVM-182
Time = 5 ms/div
20 mV/div
10 V/div
V
5 V offset
OUT
-
V
IN
-60
-40
-20
0
20
60
10
100
Frequency - Hz
Gain - dB
40
V
= 12V,
= 3.5A
IN
OUT
V
= 5V,
I
OUT
-180
-120
-60
0
60
120
180
10000
100000
1000000
Phase - degree
1000
Phase
Gain
Time = 100
s/div
m
100 mV/div
C3: V
ac coupled
OUT
1
A/div
C4: IOUT
C4
C3
Test Setup and Results
2.4
Load Transients and Loop Response
The EVM response to load transients is shown in
. The current step is from 25% to 75% of
maximum rated load at 12-V input. The current step slew rate is 100 mA/µs. Total peak-to-peak voltage
variation is as shown, including ripple and noise on the output.
variation is as shown, including ripple and noise on the output.
The EVM loop-response characteristics are shown in
. Gain and phase plots are shown for V
IN
voltage of 12 V. Load current for the measurement is 3.5 A.
Figure 7. Load Transient Response
Figure 8. Loop Response
2.5
Line Transients
The EVM response to line transients is shown in
. The input voltage step is from 8.0 V to 40 V.
Total peak-to-peak voltage variation is as shown, including ripple and noise on the output.
Figure 9. Line Transient Response
7
SLVU769B – September 2012 – Revised September 2012
Using the TPS54360 Step-Down Converter Evaluation Module
Copyright © 2012, Texas Instruments Incorporated