S-1323 Datasheet, PDF (18/28 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION AND SMALL PACKAGE CMOS VOLTAGE REGULATOR

HIGH RIPPLE-REJECTION AND SMALL PACKAGE CMOS VOLTAGE REGULATOR
S-1323 Series
Rev.4.2_00
„ Reference Data
(1) Input transient response characteristics
IOUT = 30 mA, tr = tf = 5.0 µs, COUT = 0.47 µF, CIN = 0 µF
3.04
3.03
VIN
3.02
3.01
VOUT
3.00
2.99
2.98
-20 -10 0
6
5
4
3
2
1
0
10 20 30 40 50 60 70 80
t [µs]
IOUT = 30 mA, tr = tf = 5.0 µs, COUT = 2.2 µF, CIN = 0 µF
3.04
3.03
VIN
3.02
3.01
VOUT
3.00
2.99
2.98
-20 -10 0
6
5
4
3
2
1
0
10 20 30 40 50 60 70 80
t [µs]
IOUT = 30 mA, tr = tf = 5.0 µs, COUT = 1.0 µF, CIN = 0 µF
3.04
3.03
VIN
3.02
3.01
VOUT
3.00
2.99
2.98
-20 -10 0
6
5
4
3
2
1
0
10 20 30 40 50 60 70 80
t [µs]
(2) Load transient response characteristics
VIN = 4.0 V, COUT = 0.47 µF, CIN = 1.0 µF, IOUT = 50↔100 mA
3.20
150
3.15
100
3.10 ^IOUT
50
3.05
0
VOUT
3.00
–50
2.95
–100
2.90
–150
-4 -2 0 2 4 6 8 10 12 14 16
t [µs]
VIN = 4.0 V, COUT = 2.2 µF, CIN = 1.0 µF, IOUT = 50↔100 mA
3.20
150
3.15
100
3.10 ^IOUT
50
3.05
0
VOUT
3.00
–50
2.95
–100
2.90
–150
-4 -2 0 2 4 6 8 10 12 14 16
t [µs]
VIN = 4.0 V, COUT = 1.0 µF, CIN = 1.0 µF, IOUT = 50↔100 mA
3.20
150
3.15
100
3.10 ^IOUT
50
3.05
0
VOUT
3.00
–50
2.95
–100
2.90
–150
-4 -2 0 2 4 6 8 10 12 14 16
t [µs]
18
Seiko Instruments Inc.