Output Voltage Regulation
2-5
Test Setup and Results
2.4
Output Voltage Regulation
The output voltage load regulation of the TPS54350EVM−235 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
−0.3
−0.2
−0.1
0
0.1
0.2
0.3
0
0.5
1
1.5
2
2.5
3
3.5
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
IO − Output Current − A
− Output V
oltage Change − %
V
O
VI = 18 V
VI = 12 V
VI = 6 V
Figure 2−5. Line Regulation
−0.1
−0.08
−0.06
−0.04
−0.02
0
0.02
0.04
0.06
0.08
0.1
4
6
8
10
12
14
16
18
20
22
IO = 3 A
IO = 0 A
OUTPUT VOLTAGE
vs
INPUT VOLTAGE
VI − Input Voltage − V
− Output V
oltage Change − %
V
O
IO = 1.5 A