S1132 Datasheet, PDF (20/35 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION AND LOW DROPOUT

HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1132 Series
Rev.4.2_00
 Reference Data
1. Input Transient Response Characteristics (Ta = 25°C)
S-1132B15
I_OUT = 100 mA, t_r = t_f = 5.0 μs, C_OUT = 0.1 μF, C_IN = 0.1 μF
1.62
1.60
VIN
4.0
3.5
1.58
3.0
1.56
2.5
1.54
2.0
1.52
1.5
1.50
VOUT
1.0
1.48
0.5
1.46
0
-20 0 20 40 60 80 100 120140 160 180
t [μs]
S-1132B30
I_OUT = 100 mA, t_r = t_f = 5.0 μs, C_OUT = 0.1 μF, C_IN = 0.1 μF
3.16
6
3.12
VIN
5
3.08
4
3.04
3
3.00
VOUT
2
2.96
1
2.92
0
-20 0 20 40 60 80 100 120140 160 180
t [μs]
2. Load Transient Response Characteristics (Ta = 25°C)
S-1132B15
V_IN = 2.5 V, C_OUT = 0.1 μF, C_IN = 0.1 μF, I_OUT = 50 mA ↔ 100 mA
1.9
150
1.8
100
1.7 ^IOUT
50
1.6
0
1.5 ^VOUT
-50
1.4
-100
1.3
-150
-40 -20 0 20 40 60 80 100120 140 160
t [μs]
S-1132B30
V_IN = 4.0 V, C_OUT = 0.1 μF, C_IN = 0.1 μF, I_OUT = 50 mA ↔ 100 mA
3.8
150
3.6
100
3.4 ^IOUT
50
3.2
0
VOUT
3.0
-50
2.8
-100
2.6
-150
-40 -20 0 20 40 60 80 100120 140 160
t [μs]
S-1132B50
V_IN =6.0 V, C_OUT = 0.1 μF, C_IN = 0.1 μF, I_OUT = 50 mA ↔ 100 mA
5.8
150
5.6
100
5.4 ^IOUT
50
5.2
0
5.0 ^VOUT
-50
4.8
-100
4.6
-150
-40 -20 0 20 40 60 80 100120 140 160
t [μs]
20
Seiko Instruments Inc.