TPS54360
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SLVSBB4C –AUGUST 2012–REVISED OCTOBER 2012
TYPICAL CHARACTERISTICS (continued)
BOOT-SW UVLO vs JUNCTION TEMPERATURE
INPUT VOLTAGE UVLO vs JUNCTION TEMPERATURE
4.5
2.6
BOOT-SW UVLO Falling
BOOT-SW UVLO Rising
2.5
2.4
2.3
2.2
2.1
2
4.4
4.3
4.2
4.1
4
3.9
UVLO Start Switching
UVLO Stop Switching
1.9
1.8
3.8
3.7
−50
−25
0
25
50
75
100
125
150
−50
−25
0
25
50
75
100
125
150
Tj − Junction Temperature (°C)
TJ − Junction Temperature (°C)
G018
G019
Figure 19.
Figure 20.
SOFT-START TIME vs SWITCHING FREQUENCY
10
V
T
= 12V,
IN
= 25oC
9
8
7
6
5
J
4
3
2
1
0
100 300 500 700 900 110013001500 17001900 2100 2300 2500
Switching Frequency (KHz)
G021
Figure 21.
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