Datasheet

0 5 10 15 20
V -InputVoltage-V
I
1
1.025
1.05
1.075
1.1
V -OutputVoltage-V
O
I =1 A
O
I =10mA
O
Vout(50mV/div)
Iout(2 A/div)
100ms/div
40
50
60
70
80
90
100
Efficiency-%
0 1 2 3 4
I -OutputCurrent- A
O
V =3.3V
O
V =1.8V
O
V =2.5V
O
EN-10V/div
V -0.5V/div
OUT
PG-5V/div
400 s/divm
TPS54426
SLVSAD6C – AUGUST 2010–REVISED JULY 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
1.05V OUTPUT VOLTAGE
vs
INPUT VOLTAGE 1.05V 50mA to 4A LOAD TRANSIENT RESPONSE
Figure 5. Figure 6.
EFFICIENCY
vs
STARTUP WAVEFORM OUTPUT CURRENT
Figure 7. Figure 8.
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