Datasheet

-30
-20
-10
0
10
20
30
40
50
60
10 100 1k 10k 100k 1M
f-Frequency-Hz
Gain-dB
-90
-40
10
60
110
160
Phase-deg.
Gain
Phase
Vout
LoadCurrent
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2
I -OutputCurrent- A
O
V =15V
IN
V =24V
IN
V =28V
IN
V =7V
IN
OutputRegulation-%
-0.1
-0.05
0
0.05
0.1
0.15
5
10
15 20
25 30
V -InputVoltage-V
I
OutputRegulation-%
I =0 A
O
I =1 A
O
I =2 A
O
0
10
20
30
40
50
60
70
80
90
100
0 0.25 0.5 0.75 1 1.25 1.5 1.75 2
I -OutputCurrent- A
O
Efficiency-%
V =15V
IN
V =24V
IN
V =28V
IN
V =7V
IN
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
0 0.02
I -OutputCurrent- A
O
0.04
0.06 0.08
0.1 0.12
0.14 0.16
0.18 0.2
V =15V
IN
V =24V
IN
V =28V
IN
V =7V
IN
TPS54231
SLUS851C –OCTOBER 2008–REVISED JULY 2012 www.ti.com
Figure 14. TPS54231 Efficiency Figure 15. TPS54231 Low Current Efficiency
Figure 16. TPS54231 Load Regulation Figure 17. TPS54231 Line Regulation
Figure 18. TPS54231 Transient Response Figure 19. TPS54231 Loop Response
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