HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.5.0_00
S-1112/1122 Series
Characteristics (Typical Data)
Remark The following, which describes the S-1112 Series as the typical product, shows typical data common
to the S-1122 Series.
(1) Output Voltage vs. Output current (when load current increases)
S-1112B15 (Ta = 25°C)
S-1112B30 (Ta = 25°C)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
6.5 V
V
IN = 3.3 V
V
IN = 1.8 V
6.5 V
4.0 V
500
2.5 V
500
0
100
200
300
400
600
0
100
200
300
400
600
IOUT [mA]
IOUT [mA]
S-1112B50 (Ta = 25°C)
6
5
4
V
IN = 5.3 V
6.0 V
3
2
1
0
Remark In determining the output current, attention
should be paid to the following.
6.5 V
300
1) The minimum output current value
and footnote *5 in the electrical
characteristics
600
0
100
200
400
500
2) The package power dissipation
IOUT [mA]
(2) Output voltage vs. Input voltage
S-1112B15 (Ta = 25°C)
S-1112B30 (Ta = 25°C)
1.6
1.5
1.4
3.1
3.0
2.9
I
OUT = 1 mA
30 mA
50 mA
IOUT 1 mA
=
1.3
1.2
1.1
1.0
2.8
2.7
2.6
2.5
30 mA
50 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-1112B50 (Ta = 25°C)
5.5
5.0
4.5
I
OUT = 1 mA
4.0
3.5
3.0
2.5
50 mA
5.0
30 mA
4.0
2.0
3.0
6.0
7.0
VIN [V]
Seiko Instruments Inc.
17
SII [ SEIKO INSTRUMENTS INC ]
