Datasheet

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  
    
SLVS323B − FEBRUARY 2001 − REVISED JANUARY 2007
6
TYPICAL CHARACTERISTICS
Figure 10
0
OUTPUT VOLTAGE AND ENABLE
VOLTAGE
vs
TIME (START-UP)
t − Time (Start-Up) − µs
604020 80 100 140120 160 180 200
Enable Voltage − VV
O
− Output Voltage − V
V
I
= 2.7 V
V
O
= 0.7 V
C
o
= 4.7 µF
I
o
= 100 mA
T
J
= 25°C
5
0
1
0.5
0
Figure 11
3.7
LINE TRANSIENT RESPONSE
V
O
t − Time − µs
0 15010050 200 250 350300 400 450 500
− Output Voltage − mV
I
O
= 10 mA
V
O
= 0.7 V
C
o
= 4.7 µF
V
I
− Input Voltage − V
2.7
10
0
−10
Figure 12
t − Time − µs
LOAD TRANSIENT RESPONSE
0
0
0 15010050 200 250 350300 400 450 500
Current Load − mA
100
V
I
= 2.7 V
V
O
= 0.7 V
C
o
= 10 µF
-100
-200
V
O
Output Voltage − mV
∆
− Change In
Figure 13
350400
LINE TRANSIENT RESPONSE
t − Time − µs
3.5
V
O
0 15010050 200 250 300 450
− Output Voltage − mV V
I
− Input Voltage − V
V
O
= 2.5 V
I
O
= 100 mA
C
o
= 4.7 µF
4.5
20
0
−20
500
Figure 14
t − Time − µs
LOAD TRANSIENT RESPONSE
0
060
4020
80 100 140
120
160 180
Current Load − mA
100
V
O
= 2.5 V
V
I
= 3.5 V
C
o
= 10 µF
100
0
−100
V
O
Output Voltage − mV
∆
− Change In
200
Figure 15
0.1
1
10
100
0 0.02 0.04 0.06 0.08 0.10
I
O
− Output Current − A
ESR − Equivalent Series Resistance − Ω
TYPICAL REGIONS OF STABILITY
EQUIVALENT SERIES RESISTANCE (ESR)
vs
OUTPUT CURRENT
Region of Instability
Region of Instability
C
o
= 4.7 µF
Figure 16
I
O
− Output Current − A
ESR − Equivalent Series Resistance − Ω
TYPICAL REGIONS OF STABILITY
EQUIVALENT SERIES RESISTANCE (ESR)
vs
OUTPUT CURRENT
0.1
1
10
100
0 0.02 0.04 0.06 0.08 0.10
Region of Instability
Region of Instability
C
o
= 10 µF
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