Rev.1.2
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Typical Characteristics (Typical Data)
(1) OUTPUT VOLTAGE vs. OUTPUT CURRENT (When load current increases)
S-818A20A(Ta=25°C)
2.0
S-818A30A(Ta=25°C)
10V
6V
3.0
4V
3V
2.0
10V
5V
5V
3.5V
1.0
1.0
0.0
2.5V
4V
VIN=2.3V
VIN=3.3V
0.0
0
0.2
0.4
IOUT(A)
0.6
0.8
0
0.2
0.4
IOUT(A)
0.6
0.8
S-818A50A(Ta=25°C)
6.0
10V
8V
* In determining necessary output current,
consider the following parameters:
• Minimum value of output current in
Table 4 “Electrical Characteristics”
and Note *5) (page 4);
5.0
4.0
3.0
2.0
1.0
7V
6V
• Power dissipation of the package
5.5V
VIN=5.3V
0.0
0
0.2
0.4
IOUT(A)
0.6
0.8
(2) OUTPUT VOLTAGE vs. INPUT VOLTAGE
S-818A20A (Ta=25°C)
S-818A30A (Ta=25°C)
3.5
3.0
2.5
2.0
1.5
2.5
Iout=10uA
100uA
1mA
Iout=10uA
100uA
2.0
60mA
1.5
60mA
4
30mA
30mA
1mA
1.0
2
3
5
1
2
3
4
V (V)
V (V)
S-818A50A (Ta=25°C)
5.5
Iout=10uA
100uA
1mA
5.0
4.5
4.0
60mA
30mA
4
5
6
7
V (V)
Seiko Instruments Inc.
9
SII [ SEIKO INSTRUMENTS INC ]
