HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1131 Series
Rev.4.1_02
20
Reference Data
(1) Input transient response characteristics
IOUT = 80 mA, t
r
= t
f
= 5.0 s, COUT = 2.2 F, CIN = 0 F IOUT = 80 mA, t
r
= t
f
= 5.0 s, COUT = 4.7 F, CIN = 0 F
VOUT [V]
-20 0 20 40 60 80 100 120 140 160 180
V
IN
V
OUT
VIN [V]
VOUT [V]
-20 0 20 40 60 80 100 120 140 160 180
V
IN
V
OUT
VIN [V]
t [s]
t [s]
(2) Load transient response characteristics
VIN = 4.0 V, COUT = 2.2 F, CIN = 1.0 F,
I
OUT = 50 mA100 mA
VIN = 4.0 V, COUT = 4.7 F, CIN = 1.0 F,
I
OUT = 50 mA100 mA
VOUT [V]
-2024681012141618
V
OUT
I
OUT
IOUT [mA]
V
OUT [V]
-2024681012141618
V
OUT
I
OUT
IOUT [mA]
t [s]
t [s]
(3) ON/OFF pin transient response characteristics
S-1131B15 (Ta = 25°C) S-1131B30 (Ta = 25°C)
VIN = 2.5 V, COUT = 2.2 F, CIN = 1.0 F VIN = 4.0 V, COUT = 2.2 F, CIN = 1.0 F
VOUT [V]
-10 0 10 20 30 40 50 60 70 80 90
V
OUT
V
ON/OFF
V
ON/OFF
[V]
VOUT [V]
-10 0 10 20 30 40 50 60 70 80 90
V
OU
V
ON/OFF
V
ON/OFF
[V]
t [s]
t [s]
S-1131B50 (Ta = 25°C)
VIN = 6.0 V, COUT = 2.2 F, CIN = 1.0 F
VOUT [V]
-10 0 10 20 30 40 50 60 70 80 90
V
OUT
V
ON/OFF
V
ON/OFF
[V]
t [s]
3.02
3.015
3.01
3.005
3
2.995
2.99
6
5
4
3
2
1
0
3.02
3.015
3.01
3.005
3
2.995
2.99
6
5
4
3
2
1
0
3.2
3.15
3.1
3.05
3
2.95
2.9
150
100
50
0
-50
-100
-150
3.2
3.15
3.1
3.05
3
2.95
2.9
150
100
50
0
-50
-100
-150
2.5
2
1.5
1
0.5
0
-0.5
3
2
1
0
-1
-2
-3
5
4
3
2
1
0
-1
6
4
2
0
-2
-4
-6
7
6
5
4
3
2
1
0
-1
8
6
4
2
0
-2
-4
-6
-8
