HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.2_00
S-1132 Series
Reference Data
(1) Input Transient Response Characteristics (Ta = 25°C)
S-1132B15
S-1132B30
IOUT = 100 mA, tr = tf = 5.0 µs, COUT = 0.1 µF, CIN = 0.1 µF
IOUT = 100 mA, tr = tf = 5.0 µs, COUT = 0.1 µF, CIN = 0.1 µF
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1.62
1.60
1.58
1.56
1.54
1.52
1.50
1.48
1.46
3.16
3.12
3.08
3.04
3.00
2.96
2.92
6
5
4
3
2
V
IN
V
IN
V
OUT
VOUT
1
0
-20
0
20 40 60 80 100120140160180
-20
0
20 40 60 80 100120140160180
t [µs]
t [µs]
(2) Load Transient Response Characteristics (Ta = 25°C)
S-1132B15
S-1132B30
VIN = 2.5 V, COUT = 0.1 µF, CIN = 0.1 µF, IOUT = 50 ↔ 100 mA
VIN = 4.0 V, COUT = 0.1 µF, CIN = 0.1 µF, IOUT = 50 ↔ 100 mA
1.9
1.8
1.7
1.6
1.5
1.4
1.3
150
100
50
3.8
3.6
3.4
3.2
3.0
2.8
2.6
150
100
50
IOUT
I
OUT
0
0
VOUT
VOUT
-50
-100
-150
-50
-100
-150
-40 -20
0
20 40 60 80 100120140160
-40 -20
0
20 40 60 80 100120140160
t [µs]
t [µs]
S-1132B50
VIN =6.0 V, COUT = 0.1 µF, CIN = 0.1 µF, IOUT = 50 ↔ 100 mA
5.8
5.6
5.4
5.2
5.0
4.8
4.6
150
100
50
I
OUT
0
V
OUT
-50
-100
-150
-40 -20
0
20 40 60 80 100120140160
t [µs]
20
Seiko Instruments Inc.
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