Texas Instruments TPS54373EVM-237, User Manual, Page: 19 / 36

Output Voltage Regulation
2-5 Test Setup and Results
2.4 Output Voltage Regulation
The output voltage load regulation of the TPS54373EVM-237 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
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
0 0.5 1 1.5 2 2.5 3 3.5
–
Output
V
oltage Change – %
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
IO – Output Current – A
V
O
VI = 5 V
VI = 3.3 V
Figure 2–5. Line Regulation
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
3 4 5 6
IO = 0 A
IO = 3 A
IO = 1.5 A
OUTPUT VOLTAGE
vs
INPUT VOLTAGE
VI – Input Voltage – V
–
Output
V
oltage Change – %
V
O