Datasheet

−0.5
−0.4
−0.3
−0.2
−0.1
0
0.1
0.2
0.3
0.4
0.5
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
6 8 10 12 14 16 18
Input Voltage (V)
Output Voltage, OUTP (%)
I
OUT
= 0 A
I
OUT
= 1 A
I
OUT
= 2 A
I
OUT
= 4 A
G000
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4.4 Load Regulation
The load regulation for the TPS54427 is shown in Figure 3. The reference value used to calculate the load
regulation is the output voltage value at 2A output current.
Figure 3. TPS54427 Load Regulation, V
IN
= 5 V and V
IN
= 12 V.
4.5 Line Regulation
The line regulation for the TPS54427 is shown in Figure 4. The reference value for all 4 output current
cases is the output voltage at 12V input voltage.
Figure 4. TPS54427 Line Regulation
6
TPS54427, 4-A, SWIFT™ Regulator— Evaluation Module SLVU579–December 2011
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