Texas Instruments TPS54332EVM-416, User Manual, Page: 6 / 21

V = 2.5 V
O
50
55
60
65
70
75
80
85
90
95
100
0 0.025 0.05 0.075 0.1 0.125 0.15 0.175 0.2 0.225 0.25
I - Output Current - A
O
V = 5 V
I
Efficiency-%
V = 12 V
I
V = 15 V
I
Figure 2-2. TPS54332EVM-416 Low Current Efficiency
The efficiency may be lower at higher ambient temperatures, due to temperature variation in the drain-to-source
resistance of the internal MOSFET.
2.3 Output Voltage Load Regulation
The load regulation for the TPS54332EVM-416 is shown in Figure 2-3 .
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0 0.5 1 1.5 2 2.5 3 3.5
I - Output Current - A
O
V = 5 V
I
V = 12 V
I
V = 15 V
I
OutputV
oltageRegulation-%
Figure 2-3. TPS54332EVM-416 Load Regulation
Measurements are given for an ambient temperature of 25°C.
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6 TPS54332 Step-Down Converter Evaluation Module User's Guide SLVU276A – FEBRUARY 2009 – REVISED OCTOBER 2021
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