S-1167 Datasheet, PDF (20/31 Pages) Seiko Instruments Inc – ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR

ULTRA LOW CURRENT CONSUMPTION, HIGH RIPPLE REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1167 Series
Rev.2.3_00
„ Reference Data
(1) Input Transient Response Characteristics (Ta = 25°C)
S-1167B15
I_OUT = 30 mA, tr = tf = 5.0 µs, C_OUT =1.0 µF, C_IN = 1.0 µF
1.62
4.0
1.60
3.5
1.58
1.56
VIN
3.0
2.5
1.54
2.0
1.52
1.50
VOUT
1.5
1.0
1.48
0.5
1.46
0
−40 −20 0 20 40 60 80 100120 140 160
t [µs]
S-1167B30
I_OUT = 30 mA, tr = tf = 5.0 µs, C_OUT = 1.0 µF, C_IN = 1.0 µF
3.06
6
3.04
5
VIN
3.02
4
3.00 _VOUT
3
2.98
2
2.96
1
2.94
0
−40 −20 0 20 40 60 80 100120140 160
t [µs]
S-1167B50
I_OUT = 30 mA, tr = tf = 5.0 µs, C_OUT =1.0 µF, C_IN = 1.0 µF
5.10
8
5.08
5.06
VIN
7
6
5.04
5
5.02
4
5.00
4.98
VOUT
3
2
4.96
1
4.94
0
−40 −20 0 20 40 60 80 100 120140 160
t [µs]
(2) Load Transient Response Characteristics (Ta = 25°C)
S-1167B15
V_IN = 2.5 V, C_OUT = 1.0 µF, C_IN = 1.0 µF, I_OUT = 50 ↔ 100 mA
1.70
150
1.65
100
IOUT
1.60
50
1.55
0
1.50 ^VOUT
−50
1.45
−100
1.40
−150
−40 −20 0 20 40 60 80 100 120140 160
t [µs]
S-1167B30
V_IN = 4.0 V, C_OUT = 1.0 µF, C_IN = 1.0 µF, I_OUT = 50 ↔ 100 mA
3.15
150
3.10
100
3.05 ^IOUT
50
3.00 ^VOUT
0
2.95
−50
2.90
−100
2.85
−150
−40 −20 0 20 40 60 80 100 120140 160
t [µs]
S-1167B50
V_IN =6.0 V, C_OUT = 1.0 µF, C_IN = 1.0 µF, I_OUT = 50 ↔ 100 mA
5.15
150
5.10
100
5.05 ^IOUT
50
5.00 ^VOUT
0
4.95
−50
4.90
−100
4.85
−150
−40 −20 0 20 40 60 80 100 120140 160
t [µs]
20
Seiko Instruments Inc.