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ST111 数据表(PDF) 18 Page - Seiko Instruments Inc

部件名 ST111
功能描述  HIGH RIPPLE-REJECTION
PDF  23 Pages
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制造商  SII [Seiko Instruments Inc]
网页  http://www.sii.co.jp
标志 SII - Seiko Instruments Inc

ST111 数据表(HTML) 18 Page - Seiko Instruments Inc

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HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-T111 Series
Rev.3.1_00
Seiko Instruments Inc.
18
Reference Data
(1) Input transient response characteristics
S-T111B15 (Ta
= 25°C)
S-T111B30 (Ta
= 25°C)
IOUT
= 30 mA, tr = tf = 5.0 μs, COUT = 0.47 μF, CIN = 0 μF
IOUT
= 30 mA, tr = tf = 5.0 μs, COUT = 0.47 μF, CIN = 0 μF
1.62
1.60
1.58
1.56
1.54
1.52
1.50
1.48
1.46
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
VIN
VOUT
-40 -20
0
20
40
60
80 100 120 140 160
-40 -20
0
20
40
60
80 100 120 140 160
VIN
VOUT
3.08
3.06
3.04
3.02
3.00
2.98
2.96
6
5
4
3
2
1
0
t [
μs]
t [
μs]
S-T111B50 (Ta
= 25°C)
IOUT
= 30 mA, tr = tf = 5.0 μs, COUT = 0.47 μF, CIN = 0 μF
5.12
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
8
7
6
5
4
3
2
1
0
VIN
VOUT
-40 -20
0
20
40
60
80 100 120 140 160
t [
μs]
(2) Load transient response characteristics
S-T111B15 (Ta
= 25°C)
S-T111B30 (Ta
= 25°C)
VIN
= 2.5 V, COUT = 0.47 μF, CIN = 1.0 μF, IOUT = 50 mA ↔100 mA
VIN
= 4.0 V, COUT = 0.47 μF, CIN = 1.0 μF, IOUT = 50 mA ↔100 mA
0
20
40
60
80 100 120 140
-40 -20
160
IOUT
VOUT
1.70
1.65
1.60
1.55
1.50
1.45
1.40
150
100
50
0
–50
–100
–150
0
20
40
60
80 100 120 140
-40 -20
160
IOUT
VOUT
150
100
50
0
–50
–100
–150
3.20
3.15
3.10
3.05
3.00
2.95
2.90
t [
μs]
t [
μs]
S-T111B50 (Ta
= 25°C)
VIN
= 6.0 V, COUT = 0.47 μF, CIN = 1.0 μF, IOUT = 50 mA ↔100 mA
0
20
40
60
80 100 120 140
-40 -20
160
VOUT
IOUT
5.20
5.15
5.10
5.05
5.00
4.95
4.90
150
100
50
0
–50
–100
–150
t [
μs]



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