HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1111/1121 Series
Rev.4.1_00
Characteristics (Typical Data)
Remark The following, which describes the S-1111 Series as the typical product, shows typical data
common to the S-1121 Series.
(1) Output Voltage vs. Output current (when load current increases)
S-1111B15 (Ta = 25 °C)
S-1111B30 (Ta = 25 °C)
2.5
4
3.5
3
2.5
2
2
4.0 V
2.0 V
1.5
1
6.5 V
VIN = 1.8 V
1.5
0.5
1
0.5
0
6.5 V
3.5 V
2.5 V
500
V
IN = 3.3 V
0
0
100
200
300
400
600
0
100 200 300 400 500 600
IOUT [mA]
IOUT [mA]
S-1111B50 (Ta = 25 °C)
6
5
6.5 V
4
3
2
1
0
6.0 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
5.5 V
VIN = 5.3 V
0
100
200
300
400
500
600
IOUT [mA]
2) The package power dissipation
(2) Output voltage vs. Input voltage
S-1111B15 (Ta = 25 °C)
S-1111B30 (Ta = 25 °C)
1.6
3.05
50 mA
50 mA
IOUT = 1 mA
IOUT = 1 mA
3
2.95
2.9
1.55
1.5
30 mA
30 mA
80 mA
80 mA
1.45
1.4
2.85
2.8
1
1.5
2
2.5
3
3.5
2.5
3
3.5
4
4.5
5
VIN [V]
VIN [V]
S-1111B50 (Ta = 25 °C)
5.1
5.08
5.06
5.04
5.02
5
4.98
4.96
4.94
4.92
4.9
IOUT = 1 mA
30 mA
50 mA
80 mA
4.5
5
5.5
VIN [V]
6
6.5
7
17
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
