S-1170 SII [Seiko Instruments Inc], S-1170 Datasheet - Page 21

• Manufacturer Part Number: S-1170
• Description: HIGH RIPPLE-REJECTION AND LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
• Manufacturer: SII [Seiko Instruments Inc]

Rev.3.0
(1) Input transient response characteristics
S-1170B15
I
S-1170B50
I
(2) Load transient response characteristics
S-1170B15 (Ta = 25°C)
V
S-1170B50 (Ta = 25°C)
V
HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
OUT
OUT
IN
IN
Reference Data
= 2.5 V, C
= 6.0 V, C
= 100 mA, tr = tf = 5.0 µ s, C
= 100 mA, tr = tf = 5.0 µ s, C
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.62
1.60
1.58
1.56
1.54
1.52
1.50
1.48
1.46
5.12
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
5.20
5.15
5.10
5.05
5.00
4.95
4.90
_02
−20
−20
−20
−20
OUT
OUT
V
V
I
V
V
I
V
V
OUT
OUT
OUT
OUT
= 4.7 µ F, C
= 4.7 µ F, C
IN
OUT
−10
−10
IN
OUT
0
0
20
20
0
0
40
40
10
10
IN
IN
= 4.7 µ F, I
= 4.7 µ F, I
t [ µ s]
t [ µ s]
t [ µ s]
60
t [ µ s]
60
OUT
OUT
20
20
80
= 4.7 µ F, C
80
= 4.7 µ F, C
30
30
100 120 140
100 120 140
OUT
OUT
40
40
= 50 ↔ 100 mA
= 50 ↔ 100 mA
IN
IN
50
50
= 4.7 µ F
= 4.7 µ F
160
160
60
60
Seiko Instruments Inc.
150
100
50
0
−50
−100
−150
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
150
100
50
0
−50
−100
−150
S-1170B30
I
S-1170B30 (Ta = 25°C)
V
OUT
IN
= 4.0 V, C
= 100 mA, tr = tf = 5.0 µ s, C
3.08
3.06
3.04
3.02
3.00
2.98
2.96
3.20
3.15
3.10
3.05
3.00
2.95
2.90
−20
−20
OUT
V
I
V
V
OUT
OUT
−10
= 4.7 µ F, C
OUT
IN
0
20
0
40
10
IN
= 4.7 µ F, I
60
t [ µ s]
t [ µ s]
OUT
20
80
= 4.7 µ F, C
30
100 120 140
OUT
40
S-1170 Series
= 50 ↔ 100 mA
IN
50
= 4.7 µ F
160
60
6.0
5.0
4.0
3.0
2.0
1.0
0
150
100
50
0
−50
−100
−150
21