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
LoadCurrent- A
Regulation(%)
0.15 0.35
-0.02
-0.04
0.02
0.08
V =24V
I
-0.1
-0.08
-0.06
-0.04
-0.02
0
0.02
12 42
Regulation(%)
V -InputVoltage-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 -OutputCurrent- A
O
Efficiency-%
0.10
30
V =5.0V
OUT
Vin=12V
Vin=24V
Vin=34V
Vin=42V
Vin=15V
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
TPS54040
SLVS918A –MARCH 2009–REVISED SEPTEMBER 2013 www.ti.com
Figure 59. Light Load Efficiency Figure 60. Overall Loop Frequency Response
Figure 61. Regulation vs Load Current Figure 62. Regulation vs Input Voltage
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