S-1131B19PD-N4ETFG 데이터 시트보기 (PDF) - Seiko Instruments Inc
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S-1131B19PD-N4ETFG
Seiko Instruments Inc
S-1131B19PD-N4ETFG Datasheet PDF : 29 Pages
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HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.0_01
S-1131 Series
Reference Data
(1) Input transient response characteristics
IOUT = 80 mA, tr = tf = 5.0 µs, COUT = 2.2 µF, CIN = 0 µF
3.02
6
3.015
5
3.01
3.005
4
VIN
3
3
VOUT
2
2.995
1
2.99
0
-20 0 20 40 60 80 100 120 140 160 180
t [µs]
IOUT = 80 mA, tr = tf = 5.0 µs, COUT = 4.7 µF, CIN = 0 µF
3.02
6
3.015
5
3.01
3.005
3
4
V IN
3
V OUT
2
2.995
1
2.99
0
-20 0 20 40 60 80 100 120 140 160 180
t [µs]
(2) Load transient response characteristics
VIN = 4.0 V, COUT = 2.2 µF, CIN = 1.0 µF,
IOUT = 50↔100 mA
3.2
150
3.15
100
3.1
3.05
50
IOUT
0
3
2.95
VOUT
-50
-100
2.9
-150
-2 0 2 4 6 8 10 12 14 16 18
t [µs]
VIN = 4.0 V, COUT = 4.7 µF, CIN = 1.0 µF,
IOUT = 50↔100 mA
3.2
150
3.15
100
3.1
3.05
50
IOUT
0
3
2.95
VOUT
-50
-100
2.9
-150
-2 0 2 4 6 8 10 12 14 16 18
t [µs]
(3) Shutdown pin transient response characteristics
S-1131B15 (Ta = 25°C)
S-1131B30 (Ta = 25°C)
VIN = 2.5 V, COUT = 2.2 µF, CIN = 1.0 µF
VIN = 4.0 V, COUT = 2.2 µF, CIN = 1.0 µF
2.5
3
5
6
2
VON/OFF
2
4
4
1.5
1
3
2
1
VOUT
0
2
VON/OFF
0
VOUT
0.5
-1
1
-2
0
-2
0
-4
-0.5
-3
-10 0 10 20 30 40 50 60 70 80 90
-1
-6
-10 0 10 20 30 40 50 60 70 80 90
t [µs]
t [µs]
S-1131B50 (Ta = 25°C)
VIN = 6.0 V, COUT = 2.2 µF, CIN = 1.0 µF
7
6
5
4
3
2
1
0
-1
-10 0
V ON/OFF
10 20 30
8
6
4
2
V OUT
0
-2
-4
-6
-8
40 50 60 70 80 90
t [µs]
Seiko Instruments Inc.
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