HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.0_02
S-1170 Series
(3) Shutdown pin transient response characteristics
S-1170B15 (Ta = 25°C)
VIN = 2.5 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 100 mA
S-1170B30 (Ta = 25°C)
VIN = 4.0 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 100 mA
5
4
3
2
7
6
6
4
VON/OFF
VON/OFF
5
4
2
0
−2
−4
−6
3
1
2
3
0
2
1
−1
−2
90−3
VOUT
1
VOUT
0
0
−1
−1
−
10
0
10 20 30 40 50 60 70 80
−
10
0
10 20 30 40 50 60 70 80 90
t [µs]
t [µs]
S-1170B50 (Ta = 25°C)
VIN = 6.0 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 100 mA
9
6
7
5
3
VON/OFF
0
3
−3
−6
VOUT
1
−1
0
10 20 30 40 50 60 70 80 90
−
10
t [µs]
S-1170B15 (Ta = 25°C)
VIN = 2.5 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 300 mA
S-1170B30 (Ta = 25°C)
VIN = 4.0 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 300 mA
5
4
3
2
7
6
6
4
VON/OFF
VON/OFF
5
4
2
0
−2
−4
−6
3
1
2
3
0
2
1
−1
−2
90−3
VOUT
1
VOUT
0
0
−1
−1
0
10 20 30 40 50 60 70 80 90
−
10
0
10 20 30 40 50 60 70 80
−
10
t [µs]
t [µs]
S-1170B50 (Ta = 25°C)
VIN = 6.0 V, COUT = 4.7 µF, CIN = 4.7 µF, IOUT = 300 mA
9
6
7
5
3
VON/OFF
0
3
−3
−6
VOUT
1
−1
0
10 20 30 40 50 60 70 80 90
−
10
t [µs]
22
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
