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0 20 40 60 80 100 120
2.8
140 160 180 200
− Input Voltage − VV
I
t − Time − µs
I
O
= 250 mA
C
o
= 33 µF
V
OUT2
V
O
− Change in∆
Output Voltage − mV
0
10
−10
3.8
0 20 40 60 80 100 120
5.3
4.3
140 160 180 200
− Input Voltage − V
V
I
t − Time − µs
I
O
= 500 mA
C
o
= 33 µF
V
OUT1
0
50
−50
V
O
− Change in∆
Output Voltage − mV
t − Time (Start-Up) − ms
V
O
= 3.3 V
C
o
= 33 µF
I
O
= 500 mA
V
OUT1
SEQ = Low
0 2
−5
2
3
1
0
0
5
0.2 1.81.61.41.210.4 0.6 0.8
− Output Voltage − V
V
O
Enable Voltage − V
V
O
= 1.8 V
C
o
= 33 µF
I
O
= 250 mA
V
OUT2
SEQ = High
t − Time (Start-Up) − ms
0 2
−5
1
2
0
−1
0
5
0.2 1.81.61.41.210.4 0.6 0.8
Enable Voltage − V
− Output Voltage − V
V
O
TPS70745, TPS70748
TPS70751, TPS70758
TPS70702
SLVS291D – MAY 2000 – REVISED DECEMBER 2007
LINE TRANSIENT RESPONSE LINE TRANSIENT RESPONSE
Figure 27. Figure 28.
OUTPUT VOLTAGE AND ENABLE VOLTAGE OUTPUT VOLTAGE AND ENABLE VOLTAGE
vs vs
TIME (START-UP) TIME (START-UP)
Figure 29. Figure 30.
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