HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.0_01
S-1131 Series
(3) Dropout voltage vs. Output current
S-1131B15
S-1131B30
1.0
1.0
0.8
0.8
0.6
0.4
0.2
85°C
25°C
85°C
0.6
0.4
0.2
0
25°C
–40°C
200 250 300 350
–40°C
0
0
0
50 100
200 250 300 350
50 100
150
150
IOUT [mA]
IOUT [mA]
S-1131B50
1.0
0.8
0.6
0.4
0.2
85°C
25°C
–40°C
200 250 300 350
0
0
50 100
150
IOUT [mA]
(4) Dropout voltage vs. Set output voltage
0.4
150 mA
0.35
0.3
100 mA
0.25
0.2
0.15
0.1
0.05
0
50 mA
30 mA
10 mA
0
1
2
3
4
5
6
7
VOTA [V]
16
Seiko Instruments Inc.