Datasheet

1.45
1.46
1.47
1.48
1.49
1.50
1.51
1.52
1.53
1.54
1.55
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Output Current (A)
Output Voltage (V)
V
IN
= 5 V
V
IN
= 12 V
V
IN
= 18 V
V
OUT
= 1.5 V
G005
3.20
3.22
3.24
3.26
3.28
3.30
3.32
3.34
3.36
3.38
3.40
0 2 4 6 8 10 12 14 16 18 20
Input Voltage (V)
Output Voltage (V)
I
OUT
= 10 mA
I
OUT
= 1 A
G006
0
5
10
15
20
25
30
35
40
45
50
0 5 10 15 20
EN Input Voltage (V)
EN Input Current (µA)
EN1
EN2
G003
3.20
3.22
3.24
3.26
3.28
3.30
3.32
3.34
3.36
3.38
3.40
0.0 0.2 0.5 0.8 1.0 1.2 1.5 1.8 2.0
Output Current (A)
Output Voltage (V)
V
IN
= 6 V
V
IN
= 12 V
V
IN
= 18 V
V
OUT
= 3.3 V
G004
0
200
400
600
800
1000
1200
1400
1600
1800
−50 0 50 100 150
Junction Temperature (°C)
Icc − Supply Current (µA)
V
IN1
, V
IN2
= 12 V
EN1, EN2 = ON
G001
0
20
40
60
80
100
120
140
160
−50 0 50 100 150
Junction Temperature (°C)
Supply Current−Shutdown Current (µA)
V
IN1
, V
IN2
= 12 V
EN1. EN2 = OFF
G002
TPS542951
www.ti.com SLVSBI4B –JULY 2012–REVISED OCTOBER 2013
TYPICAL CHARACTERISTICS
One output is enabled unless otherwise noted. V
IN
= VIN1 or VIN2. V
INx
= 12 V, T
A
= 25°C (unless otherwise noted).
Figure 1. Input Current vs Junction Temperature Figure 2. Input Shutdown Current vs Junction Temperature
Figure 3. EN Current vs EN Voltage (VEN = 12V) Figure 4. VO1 = 3.3V Output Voltage vs Output Current
Figure 5. VO2 = 1.5V Output Voltage vs Output Current Figure 6. VO1 = 3.3V Output Voltage vs Input Voltage
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