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    
    
SLVS208I − MAY 1999 − REVISED JANUARY 2004
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13
TYPICAL CHARACTERISTICS
Figure 19
t − Time − ms
TPS76733
OUTPUT VOLTAGE
vs
TIME (AT STARTUP)
3
2
0.30.20.1 0.4 0.5 0.70.6 0.8 0.9 10
V
O
− Output Voltage − V
0
1
4
Enable Pulse − V
0
C
o
= 10 µF
I
O
= 1 A
T
A
= 25°C
Figure 20
V
I
− Input Voltage − V
600
300
0
34
500
400
200
3.52.5
− Dropout Voltage − mV
100
4.5 5
V
DO
900
800
700
T
A
= 125°C
T
A
= −40°C
T
A
= 25°C
I
O
= 1 A
TPS76701
DROPOUT VOLTAGE
vs
INPUT VOLTAGE
IN
EN
OUT
+
GND
C
o
ESR
R
L
V
I
To Load
Figure 21. Test Circuit for Typical Regions of Stability (Figures 22 through 25) (Fixed Output Options)