S-1133 Datasheet, PDF (25/37 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE-OUTPUT CURRENT CMOS VOLTAGE REGULATOR

HIGH RIPPLE-REJECTION AND LOW DROPOUT MIDDLE-OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.2.1_00
S-1133 Series
„ Reference Data
(1) Input transient response characteristics (Ta = 25 °C)
S-1133B12
I_OUT = 100 mA, tr = tf = 5.0 µs, C_OUT = 2.2 µF, C_IN = 2.2 µF
1.36
3.5
1.32
VIN
3.0
1.28
2.5
1.24
2.0
1.20
1.5
1.16
VOUT
1.0
1.12
0.5
−20 0 20 40 60 80 100 120140 160 180
t [µs]
S-1133B60
I_OUT = 100 mA, tr = tf = 5.0 µs, C_OUT = 1.0 µF, C_IN = 1.0 µF
6.16
9
VIN
6.12
8
6.08
7
6.04
6
6.00
VOUT
5
5.96
4
5.92
3
−20 0 20 40 60 80 100 120140 160 180
t [µs]
S-1133B30
I_OUT = 100 mA, tr = tf = 5.0 µs, C_OUT = 1.0 µF, C_IN = 1.0 µF
3.16
6
VIN
3.12
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-1133B12
V_IN = 2.2 V, C_OUT = 2.2 µF, C_IN = 2.2 µF, I_OUT = 50 ↔ 100 mA
1.6
150
1.5
100
IOUT
1.4
50
1.3
0
VOUT
1.2
−50
1.1
−100
1.0
−150
−40 −20 0 20 40 60 80 100120 140 160
t [µs]
S-1133B30
V_IN = 4.0 V, C_OUT = 1.0 µF, C_IN = 1.0 µF, I_OUT = 50 ↔ 100 mA
3.16
150
3.12
100
IOUT
3.08
50
3.04
0
3.00
VOUT
−50
2.96
−100
2.92
−150
−40 −20 0 20 40 60 80 100120 140 160
t [µs]
S-1133B60
V_IN = 7.0 V, C_OUT = 1.0 µF, C_IN = 1.0 µF, I_OUT = 50 ↔ 100 mA
6.16
150
6.12
100
IOUT
6.08
50
6.04
0
6.00
VOUT
−50
5.96
−100
5.92
−150
−40 −20 0 20 40 60 80 100120 140 160
t [µs]
Seiko Instruments Inc.
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