Datasheet

Output Voltage Regulation
2-5
Test Setup and Results
2.4 Output Voltage Regulation
The output voltage load regulation of the TPS54110EVM−044 is shown in
Figure 2−4; 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
−0.1
−0.02
−0.04
0
0.02
0.04
0.1
0 0.25 0.5 0.75 1 1.25 1.5
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
I
O
− Output Current − A
− Output Voltage Change − %V
O
−0.06
−0.08
0.06
0.08
V
I
= 3.3 V
V
I
= 5 V
Figure 2−5. Line Regulation
−0.02
−0.015
−0.01
−0.05
0
0.05
0.01
0.015
0.02
3 3.5 4 4.5 5 5.5 6
OUTPUT VOLTAGE
vs
INPUT VOLTAGE
V
I
− Input Voltage − V
− Output Voltage Change − %V
O
I
O
= 0.75 A
I
O
= 1.5 A
I
O
= 0 A