HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.5.0_00
S-1112/1122 Series
(3) Dropout voltage vs. Output current
S-1112B15
S-1112B30
0.45
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.40
85°C
25°C
–40°C
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
85°C
25°C
–40°C
0
0
50
100
150
200
0
50
100
150
200
IOUT [mA]
IOUT [mA]
S-1112B50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
85°C
25°C
–40°C
0
0
50
100
150
200
IOUT [mA]
(4) Dropout voltage vs. Set output voltage
0.40
0.35
150 mA
100 mA
0.30
0.25
0.20
0.15
0.10
0.05
0
50 mA
30 mA
10 mA
7
0
1
2
3
4
5
6
VOTA [V]
18
Seiko Instruments Inc.