TPS2041B, TPS2042B
TPS2043B, TPS2044B, TPS2051B
TPS2052B, TPS2053B, TPS2054B
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SLVS514G–APRIL 2004–REVISED OCTOBER 2006
TYPICAL CHARACTERISTICS (continued)
THRESHOLD TRIP CURRENT
THRESHOLD TRIP CURRENT
vs
vs
INPUT VOLTAGE
INPUT VOLTAGE
2
1.8
1.6
1.4
1.2
2
1.8
1.6
1.4
TPS2041B,
T
= 255C
A
T
= 255C
A
TPS2042B,
TPS2051B,
TPS2052B
Load Ramp = 1A/10 ms
Load Ramp = 1A/10 ms
TPS2043B,
TPS2044B,
TPS2053B,
TPS2054B
1.2
1
1
2.5
3
3.5
4
4.5
5
5.5
6
2.5
3
3.5
4
4.5
5
5.5
6
V − Input Voltage − V
I
V − Input Voltage − V
I
Figure 24.
Figure 25.
UNDERVOLTAGE LOCKOUT
vs
JUNCTION TEMPERATURE
CURRENT-LIMIT RESPONSE
vs
PEAK CURRENT
2.3
100
V = 5 V,
I
T
A
= 255C
UVLO Rising
UVLO Falling
80
60
40
2.26
2.22
2.18
2.14
20
0
2.1
0
2.5
5
7.5
10
12.5
−50
0
50
100
150
Peak Current − A
T − Junction Temperature − 5C
J
Figure 26.
Figure 27.
17
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