Texas Instruments TPS54290, User Manual

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5 TPS54291EVM-431 Typical Performance Data and Characteristic Curves
Figure 5-1 through Figure 5-3 present typical performance curves for the TPS54291EVM-431. Since actual
performance data can be affected by measurement techniques and environmental variables, these curves are
presented for reference and can differ from actual field measurements.
5.1 Efficiency
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
I - Load Current - A
LOAD
8 V
12 V
14 V
60
65
70
75
80
85
90
95
100
η
-Efficiency-%
60
65
70
75
80
85
90
0 0.5 1 1.5 2 2.5 3
η
-Efficiency-%
I - Load Current - A
LOAD
8 V
12 V
14 V
V
IN
= 9.6-13.2V, V
OUT1
= 3.3V I
OUT1
= 0-1.5A, V
OUT2
= 1.2V I
OUT2
= 0-2.5A
Figure 5-1. TPS54291EVM-431 Efficiency vs Load Current
5.2 Line and Load Regulation
1.188
1.194
1.2
1.206
1.212
V
-OutputV
oltage-V
O
3.25
3.27
3.29
3.31
3.33
3.35
V
-OutputV
oltage-V
O
8 V
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
I - Load Current - A
LOAD
0 0.5 1 1.5 2 3
I - Load Current - A
LOAD
14 V
12 V
2.5
12 V
14 V
8 V
V
IN
= 9.6 V–13.2 V, V
OUT1
= 3.2 V I
OUT1
= 0 A–1.5 A, V
OUT2
= 1.2 V I
OUT2
= 0 A–2.5 A
Figure 5-2. TPS54291EVM-431 Output Voltage vs Load Current
www.ti.com TPS54291EVM-431 Typical Performance Data and Characteristic Curves
SLVU356A – JANUARY 2010 – REVISED OCTOBER 2021
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