HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
S-1111/1121 Series
Rev.4.1_00
(3) Dropout voltage vs. Output current
S-1111B15
S-1111B30
0.45
0.4
0.35
0.3
0.3
0.25
0.2
25°C
85°C
85°C
25°C
0.25
0.2
0.15
0.1
0.05
0
0.15
0.1
-40°C
-40°C
150
0.05
0
0
0
50
100
150
200
50
100
200
IOUT [mA]
IOUT [mA]
S-1111B50
0.25
0.2
0.15
0.1
85°C
25°C
−40°C
0.05
0
0
50
100
150
200
IOUT [mA]
(4) Dropout voltage vs. Set output voltage
0.4
150 mA
100 mA
0.35
0.3
0.25
0.2
0.15
0.1
50 mA
30 mA
10 mA
0.05
0
0
1
2
3
4
5
6
7
VOTA [V]
18
Seiko Instruments Inc.