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
IO − Output Current − A
− Output V
oltage Change − %
V
O
−0.06
−0.08
0.06
0.08
VI = 3.3 V
VI = 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
VI − Input Voltage − V
− Output V
oltage Change − %
V
O
IO = 0.75 A
IO = 1.5 A
IO = 0 A