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Threshold Trip Current − A
V
I
− Input Voltage − V
0.57
0.59
0.61
0.63
0.65
0.67
2.5 3 3.5 4 4.5 5 5.5 6
T
A
= 25°C
Load Ramp = 1 A/10 ms
400
410
420
430
440
450
460
470
480
490
500
−40 0 25 85 125
T
J
− Junction Temperature − °C
− Short-Circuit Output Current − mA
I
OS
V
I(IN)
= 3.3 V
V
I(IN)
= 2.7 V
V
I(IN)
= 5 .5V
V
I(IN)
= 4 .5V
V
I(IN)
= 5V
0
50
100
150
200
250
300
0 2 4 6 8 10
Current-Limit Response −
Peak Current − A
sµ
2.16
2.18
2.2
2.22
2.24
2.26
2.28
2.3
2.32
2.34
2.36
−40 0 25 85 125
UVLO − Undervoltage Lockout − V
T
J
− Junction Temperature − °C
Start Threshold
Stop Threshold
TPS2045A , , TPS2046A
TPS2047A , TPS2048A , TPS2055A
TPS2056A , TPS2057A , TPS2058A
SLVS251C – SEPTEMBER 2000 – REVISED JANUARY 2008
TYPICAL CHARACTERISTICS (continued)
SHORT-CIRCUIT OUTPUT CURRENT THRESHOLD TRIP CURRENT
vs vs
JUNCTION TEMPERATURE INPUT VOLTAGE
Figure 20. Figure 21.
UNDERVOLTAGE LOCKOUT CURRENT-LIMIT RESPONSE
vs vs
JUNCTION TEMPERATURE PEAK CURRENT
Figure 22. Figure 23.
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Product Folder Link(s): TPS2045A TPS2046A TPS2047A TPS2048A TPS2055A TPS2056A TPS2057A TPS2058A