Datasheet

1.04
1.05
1.06
1.07
1.08
0 5 10 15 20
V - Input Voltage - V
IN
V - Output Voltage - V
O
I = 10 mA
O
I = 1 A
O
V = 50 mV / div (-950 mV dc offset)
O
I = 1 A / div (0.75 to 2.25 A load step,
slew rate = 1 A / µsec)
O
Time = 50 µsec / div
0
10
20
30
40
50
60
70
80
90
100
0 2 4 6 8 10 12 14 16 18 20
EN-InputVoltage-V
V =18V
IN
EN-InputCurrent- Am
1.04
1.05
1.06
1.07
1.08
0.0 0.5 1.0 1.5 2.0 2.5 3.0
I - Output Current - A
O
V - Output Voltage - V
O
V = 5.5 V
IN
V = 12 V
IN
V = 18 V
IN
0
200
400
600
800
1000
1200
-50
0
50 100 150
T - Junction Temperature - °C
j
I - Supply Current - µA
VIN
0
2.0
4.0
6.0
8.0
10.0
-50
0
50 100 150
T - Junction Temperature - °C
j
I - Supply Current - µA
VINSDN
TPS54328
SLVSAN2C –NOVEMBER 2010–REVISED NOVEMBER 2012 www.ti.com
TYPICAL CHARACTERISTICS
VIN = 12 V, T
A
= 25°C (unless otherwise noted).
Figure 1. VIN CURRENT vs JUNCTION TEMPERATURE Figure 2. VIN SHUTDOWN CURRENT vs JUNCTION
TEMPERATURE
Figure 3. EN CURRENT vs EN VOLTAGE Figure 4. 1.05-V OUTPUT VOLTAGE vs OUTPUT CURRENT
Figure 5. 1.05-V OUTPUT VOLTAGE vs INPUT VOLTAGE Figure 6. 1.05-V, LOAD TRANSIENT RESPONSE
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