Datasheet

Output Voltage Regulation
2-5
Test Setup and Results
2.4 Output Voltage Regulation
The output voltage load regulation of the TPS54x72EVM−222 is shown in
Figure 2−4, while the output voltage line regulation is shown in Figure 2−5.
Measurements are given for an ambient temperature of 25°C.
Figure 2−4. Load Regulation
1.24
1.242
1.244
1.246
1.248
1.25
1.252
1.254
1.256
1.258
1.26
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TPS54972
TPS54672
TPS54872
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
I
O
− Output Current − A
− Output Voltage − V
V
O
Figure 2−5. Line Regulation
1.24
1.242
1.244
1.246
1.248
1.25
1.252
1.254
1.256
1.258
1.26
3 3.5 4 4.5 5 5.5 6
TPS54972
TPS54672
TPS54872
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
I
O
− Output Current − A
− Output Voltage − V
V
O