Datasheet

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−50 −25 50 100 1250 25 75
4.35
3.90
4.20
3.95
4.30
4.15
4.05
4.00
4.25
4.10
T
J
− Junction Temperature − °C
V
UVLO
− Undervoltage Lockout Threshold − V
V
UVLO(on)
V
UVLO(off)
T
J
− Junction Temperature − °C
D
MAX
− Maximum Duty Cycle − %
−50 −25 50 100 1250 25 75
93
83
90
84
86
92
89
87
85
91
88
f
SW
= 100 kHZ
f
SW
= 500 kHZ
f
SW
= 1 MHZ
−50 −25 50 100 1250 25 75
1.10
0.90
1.04
0.92
0.96
1.08
1.02
0.98
0.94
1.06
1.00
T
J
− Junction Temperature − °C
V
UVLO
− Relative Programmable UVLO Threshold − %
V
UVLO(on)
V
UVLO(off)
T
J
− Junction Temperature − °C
I
SS
− Soft−Start Charging Current − µA
−50 −25 50 100 1250 25 75
14.0
10.0
10.5
11.0
13.5
12.5
11.5
13.0
12.0
TPS40075
SLUS676A – MAY 2006 – REVISED SEPTEMBER 2007
TYPICAL CHARACTERISTICS (continued)
MAXIMUM DUTY CYCLE UNDERVOLTAGE LOCKOUT
vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 11. Figure 12.
PROGRAMMABLE UVLO THRESHOLD SOFTSTART CHARGING CURRENT
vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 13. Figure 14.
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