TPS79015, TPS79018, TPS79025, TPS79028, TPS79030
ULTRALOW-POWER LOW-NOISE 50-mA
LOW-DROPOUT LINEAR REGULATORS
SLVS299B – SEPTEMBER 2000 – REVISED MAY 2001
TYPICAL CHARACTERISTICS
TPS79030
OUTPUT VOLTAGE, ENABLE VOLTAGE
vs
TIME (START-UP)
5
0
3
2
V = 4 V
I
O
O
V
I
= 3 V
= 50 mA
1
0
C
C
T
= 0.01 µF
(byp)
o
J
V = 4 V
I
= 4.7 µF
C
= 4.7 µF
O
= 25°C
0
1
2
3
4
5
6
7
8
9
10
t – Time – ms
Figure 17
TPS79030
TPS79030
OUTPUT VOLTAGE, ENABLE VOLTAGE
OUTPUT VOLTAGE, ENABLE VOLTAGE
vs
vs
TIME (START-UP)
TIME (START-UP)
5
0
5
0
C
= 0.001 µF
(byp)
C
= 0.1 µF
(byp)
3
2
1
0
3
2
1
0
C
= 0.01 µF
(byp)
V = 4 V
I
V
I
= 3 V
= 50 mA
V = 4 V
O
O
I
O
O
V
I
= 3 V
C
C
T
= 0.001 µF
= 50 mA
= 4.7 µF
= 25°C
(byp)
= 4.7 µF
C
T
o
o
J
= 25°C
J
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
0
10 20 30 40 50 60 70 80
90 100
t – Time – ms
t – Time – ms
Figure 18
Figure 19
10
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