TPS54232
www.ti.com ........................................................................................................................................................................................... SLVS876–NOVEMBER 2008
60
50
180
150
120
90
VOUT
Gain
40
30
Phase
60
20
30
10
0
IOUT 0.5 - 2 A STEP
0
-30
-60
-90
-120
-10
-20
-30
-40
t - Time - 2 ms/div
-50
-60
-150
-180
1k
10k
100k
10
100
1M
f - Frequency - Hz
Figure 19. TPS54232 Transient Response
Figure 20. TPS54232 Loop Response
VOUT
VIN
PH
PH
t - Time - 1 ms/div
t - Time - 1 ms/div
Figure 21. TPS54232 Output Ripple
Figure 22. TPS54232 Input Ripple
VOUT
VOUT
VIN
SS
t - Time - 2 ms/div
t - Time - 2 ms/div
Figure 23. TPS54232 Start Up
Figure 24. TPS54232 Start-up Relative to Enable
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