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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
TPS70145, TPS70148
TPS70151, TPS70158
TPS70102
SLVS222D DECEMBER 1999 REVISED NOVEMBER 2004
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.
18