Datasheet

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 Voltage Change – %
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
I
O
– Output Current – A
V
O
V
I
= 5 V
V
I
= 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
3456
I
O
= 0 A
I
O
= 3 A
I
O
= 1.5 A
OUTPUT VOLTAGE
vs
INPUT VOLTAGE
V
I
– Input Voltage – V
– Output Voltage Change – %V
O