HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.0_02
S-1170 Series
Typical Characteristics
(1) Output Voltage vs. Output current (when load current increases)
S-1170B15 (Ta = 25°C)
S-1170B30 (Ta = 25°C)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
V
IN = 3.5 V
V
IN = 2.0 V
4.0 V
2.5 V
6.5 V
6.5 V
0
200
400
600
800 1000 1200
0
200
400
600
800 1000 1200
IOUT [mA]
IOUT [mA]
S-1170B50 (Ta = 25°C)
6
5
4
3
2
1
0
V
IN = 5.5 V
6.0 V
6.5 V
Remark In determining the output current, attention
should be paid to the following.
1) The minimum output current value
and footnote *5 in the “ Electrical
Characteristics”
1200
800 1000
0
200
400
600
2) The package power dissipation
IOUT [mA]
(2) Output voltage vs. Input voltage
S-1170B15 (Ta = 25°C)
S-1170B30 (Ta = 25°C)
3.1
3.0
2.9
1.6
1.5
1.4
I
OUT = 1 mA
10 mA
I
OUT = 1 mA
10 mA
1.3
1.2
1.1
1.0
2.8
2.7
2.6
2.5
100 mA
300 mA
100 mA
300 mA
1.0
1.5
2.0
2.5
3.0
3.5
2.5
3.0
3.5
4.0
4.5
5.0
VIN [V]
VIN [V]
S-1170B50 (Ta = 25°C)
5.1
5.0
4.9
I
OUT = 1 mA
10 mA
4.8
4.7
4.6
4.5
100 mA
300 mA
4.5
5.0
5.5
VIN [V]
6.0
6.5
7.0
17
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
