HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.3.0_02
S-1170 Series
(3) Dropout voltage vs. Output current
S-1170B15
S-1170B30
0.6
0.5
0.4
0.3
0.2
0.1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
25°C
25°C
85°C
85°C
−40°C
−40°C
0
0
100 200 300 400 500 600 700 800
IOUT [mA]
0
100 200 300 400 500 600 700 800 900
IOUT [mA]
900
S-1170B50
0.6
0.5
0.4
0.3
0.2
0.1
25°C
85°C
−40°C
0
0
100 200 300 400 500 600 700 800
IOUT [mA]
900
(4) Dropout voltage vs. Set output voltage
0.8
800 mA
600 mA
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
300 mA
10 mA
1
2
3
5
6
0
4
VOTA [V]
18
Seiko Instruments Inc.