Datasheet

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Threshold Trip Current - A
V
I
- Input Voltage - V
0.5
0.7
0.9
1.1
1.3
1.5
2.5 3 3.5 4 4.5 5 5.5 6
T
A
= 255C
Load Ramp = 1A/10 ms
2.1
2.14
2.18
2.22
2.26
2.3
−50 0 50 100 150
UVLO Rising
UVLO Falling
UVLO − Undervoltage Lockout − V
T
J
− Junction Temperature − 5C
0
50
100
150
200
0 1 2 3 4 5
Peak Current - A
V
I
= 5 V,
T
A
= 255C
Current-Limit Response - sµ
TPS2045B , TPS2055B
TPS2046B , TPS2047B
SLVS532C – JULY 2004 – REVISED OCTOBER 2007
TYPICAL CHARACTERISTICS (continued)
THRESHOLD TRIP CURRENT UNDERVOLTAGE LOCKOUT
vs vs
INPUT VOLTAGE JUNCTION TEMPERATURE
Figure 20. Figure 21.
CURRENT-LIMIT RESPONSE
vs
PEAK CURRENT
Figure 22.
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