Datasheet
-0.1
-0.08
-0.06
0
0.04
0.06
0.1
0.00 0.05 0.1 0.2 0.25 0.3 0.4 0.45 0.5
LoadCurrent- A
Regulation(%)
0.15 0.35
-0.02
-0.04
0.02
0.08
V =24V
I
-0.1
-0.08
-0.06
-0.04
-0.02
0
0.02
12 42
Regulation(%)
V -InputVoltage-V
I
0.1
0.08
0.06
0.04
302418 36
I =0.2 A
O
0
10
20
40
50
60
70
80
90
100
0 0.02 0.04 0.06 0.08
I -OutputCurrent- A
O
Efficiency-%
0.10
30
V =5.0V
OUT
Vin=12V
Vin=24V
Vin=34V
Vin=42V
Vin=15V
100
1-10
3
-60
-40
0
20
40
60
-150
-120
-60
0
-30
90
150
f-Frequency-Hz
Gain-dB
Phase-
o
1-10
4
1-10
5
1-10
6
-20
Phase
Gain
180
120
60
-90
30
-180
TPS54040A
www.ti.com
SLVSB58A –MARCH 2012–REVISED JANUARY 2014
Figure 60. Light Load Efficiency Figure 61. Overall Loop Frequency Response
Figure 62. Regulation vs Load Current Figure 63. Regulation vs Input Voltage
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