Datasheet

0
1
2
3
4
5
6
7
8
9
10
100 300 500 700 900
1100 1300 1500 1700 1900 2100 2300 2500
Soft-Start Time (ms)
Switching Frequency (kHz)
C045
4.6
4.7
4.8
4.9
5
5.1
5.2
5.3
5.4
5.5
5.6
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5
V
IN
(V)
Output Current (A)
Start
Stop
C046
Dropout
Voltage
Dropout
Voltage
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
4.5
±50 ±25 0 25 50 75 100 125 150
V
IN
(V)
T
J
- Junction Temperature (C)
UVLO Start Switching
UVLO Stop Switching
C044
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
±50 ±25 0 25 50 75 100 125 150
V
I
- BOOT-PH (V)
T
J
- Junction Temperature (C)
BOOT-PH UVLO Falling
BOOT-PH UVLO Rising
C043
70
90
110
130
150
170
190
210
±50 ±25 0 25 50 75 100 125 150
I
VIN
(µA)
T
J
- Junction Temperature (C)
C041
70
90
110
130
150
170
190
210
0 10 20 30 40 50 60
I
VIN
(µA)
V
IN
- Input Voltage (V)
C042
TPS54560
www.ti.com SLVSBN0A –MARCH 2013–REVISED MARCH 2014
Typical Characteristics (continued)
V
IN
= 12 V T
J
= 25°C
Figure 17. V
IN
Supply Current vs Junction Temperature Figure 18. V
IN
Supply Current vs Input Voltage
Figure 19. BOOT-SW UVLO vs Junction Temperature
Figure 20. Input Voltage UVLO vs Junction Temperature
V
IN
= 12 V
V
IN
= 12 V T
J
= 25°C
Figure 21. Soft-Start Time vs Switching Frequency
Figure 22. 5 V Start and Stop Voltage
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