Datasheet

0 5 10 15 20
V -InputVoltage-V
I
I =0 A
O
I =1 A
O
1
1.025
1.05
1.075
1.1
V -OutputVoltage-V
O
Vout(50mV/div)
Iout(2 A/div)
100 s/divm
60
0 1 2 3 4
I -OutputCurrent- A
O
40
50
70
80
90
100
Efficiency-%
V =1.8V
O
V =2.5V
O
V =3.3V
O
EN(10V/div)
Vout(0.5V/div)
PG(5V/div)
400 s/divm
TPS54425
SLVSA84C –AUGUST 2010– REVISED JULY 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
1.05-V OUTPUT VOLTAGE
vs 1.05-V, 50-mA to 2-A LOAD
INPUT VOLTAGE TRANSIENT RESPONSE
Figure 5. Figure 6.
EFFICIENCY
vs
START-UP WAVE FORM OUTPUT CURRENT
Figure 7. Figure 8.
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