50
55
60
65
70
75
80
85
90
95
100
0
0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2
Efficiency-%
V = 8 V
I
V = 12 V
I
V = 15 V
I
I
- Output Current - mA
O
Figure 2-2. TPS54232EVM-415 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 TPS54232EVM-415 is shown in
-0.1
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.1
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
I
- Output Current - A
O
OutputV
oltageRegulation-%
V = 5 V
I
V = 12 V
I
V = 15 V
I
Figure 2-3. TPS54232EVM-415 Load Regulation
Measurements are given for an ambient temperature of 25°C.
Test Setup and Results
SLVU277A – JANUARY 2009 – REVISED OCTOBER 2021
TPS54232 Step-Down Converter Evaluation Module User's Guide
5
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