S-1200 Seiko Instruments, S-1200 Datasheet - Page 21

• Manufacturer Part Number: S-1200
• Description: HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
• Manufacturer: Seiko Instruments

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Rev.3.2
(3) Shutdown pin transient response characteristics
S-1200B15 (Ta = 25°C)
V
S-1200B50 (Ta = 25°C)
V
(4) Input transient response characteristics Capacity Value characteristics
S-1200B15 (Ta = 25°C)
V
(5) Load transient response characteristics  Capacity Value characteristics
S-1200B15 (Ta = 25°C)
V
IN
IN
IN
IN
= 2.5 V, C
= 6.0 V, C
= 2.5 → 4.5 V, tr = 5 µs, I
= 2.5 V, I
1.8
1.7
1.6
1.5
1.4
1.3
1.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
–1
20
16
12
–4
_00
5
4
3
2
1
0
8
4
0
-40 -20
-40 -20
OUT
HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
-0.4 -0.2
-0.4 -0.2
OUT
OUT
V
V
I
V
OUT
V
= 1 → 50 mA
IN
OUT
OUT
V
= 0.1 µF, C
OUT
= 0.1 µF, C
OUT
0
0
0
0
V
V
C
C
20
20
ON/OFF
ON/OFF
0.2 0.4 0.6 0.8 1.0 1.2 1.4
0.2 0.4 0.6 0.8 1.0 1.2 1.4
OUT
OUT
C
C
IN
IN
40
40
OUT
= 0.1 µF
= 1.0 µF
OUT
OUT
= 0.1 µF, I
= 0.1 µF, I
t [ms]
t [ms]
t [µs]
= 50 mA
60
= 1.0 µF
= 0.1 µF
60
t [µs]
80 100 120 140
80 100 120 140
OUT
OUT
= 30 mA
= 30 mA
160
160
1.6
1.6
Seiko Instruments Inc.
6
4
2
0
–2
–4
–6
100
50
0
3
2
1
0
–1
–2
–3
9
6
3
0
–3
–6
–9
S-1200B30 (Ta = 25°C)
V
V
V
IN
IN
IN
= 4.0 V, C
= 4.5→ 2.5 V, tr = 5 µs, I
= 2.5 V, I
2.0
1.8
1.6
1.4
1.2
1.0
0.8
2.2
2.0
1.8
1.6
1.4
1.2
1.0
10
–2
-40 -20
-40 -20
8
6
4
2
0
OUT
-0.4 -0.2
OUT
V
V
I
V
OUT
IN
OUT
OUT
= 50 → 1 mA
V
= 0.1 µF, C
OUT
0
0
0
V
20
20
ON/OFF
0.2 0.4 0.6 0.8 1.0 1.2
C
C
40
40
OUT
OUT
V
OUT
IN
C
C
ON/OFF
t [µs]
t [µs]
= 0.1 µF, I
OUT
OUT
= 1.0 µF
= 0.1 µF
60
60
= 50 mA
= 1.0 µF
= 0.1 µF
[V]
80 100 120 140
80 100 120 140
OUT
S-1200 Series
= 30 mA
1.4
160
160
1.6
6
4
2
0
–2
–4
–6
100
50
0
6
4
2
0
–2
–4
–6
21