S-818_1 Datasheet, PDF (15/32 Pages) Seiko Instruments Inc – LOW DROPOUT CMOS VOLTAGE REGULATOR

Rev.2.1_00
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
„ Characteristics (Typical data)
1. Output Voltage (V_OUT) vs. Output Current (I_OUT) (When load current increases)
S-818A20A
2.0
1.0
0.0
0
S-818A50A
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0
(Ta=25 °C)
3V
2.5 V
4V
VIN=2.3 V
10 V
5V
0.2
0.4
0.6
0.8
IOUT [A]
(Ta=25 °C)
8 V 10 V
7V
6V
5.5 V
VIN=5.3 V
0.2
0.4
0.6
0.8
IOUT [A]
S-818A30A
3.0
4V
2.0
3.5 V
1.0
VIN=3.3 V
0.0
0
0.2
(Ta=25 °C)
10 V
6V
5V
0.4
0.6
0.8
IOUT [A]
Remark In determining necessary output current,
consider the following parameters:
1. Output current value in the “„ Electrical
Characteristics” and footnote *5.
2. Power dissipation of the package
2. Output voltage (V_OUT) vs. Input voltage (V_IN)
S-818A20A (Ta=25°C)
S-818A30A (Ta=25°C)
2.5
I_{OUT1=0100µµAA}
2.0
3.5
I_OUT =10µA
3.0
100µA
1m A
60m A
1.5
30m A
1m A
2.5
2.0
60m A
30m A
1.0
1.5
1
2
3
4
VIN(V)
2
3
4
5
VIN(V)
S-818A50A (Ta=25°C)
5.5
I_OUT =10µA
100µA
1m A
5.0
60m A
4.5
30m A
4.0
4
5
6
7
VIN(V)
Seiko Instruments Inc.
15