Datasheet

−1
−0.8
−0.6
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
0 500 1000 1500 2000 2500 3000 3500 4000
Output Current (mA)
Output Voltage, OUTP (%)
V
IN
= 12 V
V
IN
= 5.0 V
G000
−0.5
−0.4
−0.3
−0.2
−0.1
0
0.1
0.2
0.3
0.4
0.5
4.5 6 7.5 9 10.5 12 13.5 15 16.5 18
Input Voltage (V)
Output Voltage, OUTP (%)
I
OUT
= 0 A
I
OUT
= 1 A
I
OUT
= 2 A
I
OUT
= 4 A
G000
Test Setup and Results www.ti.com
4.4 Load Regulation
The load regulation for the TPS54428EVM-052 is shown in Figure 3. The output voltage at 2 A load was
used as reference value.
Figure 3. TPS54428EVM-052 Load Regulation, V
IN
= 5 V and V
IN
= 12 V
4.5 Line Regulation
The line regulation for the TPS54428EVM-052 is shown in Figure 4. The output voltage at 12V input
voltage was used as reference value.
Figure 4. TPS54428EVM-052 Line Regulation
6
TPS54428, 4-A, SWIFT™ Regulator Evaluation Module SLVU578–December 2011
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