S-1172 Datasheet, PDF (19/34 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Rev.1.1_00
HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1172 Series
(3) Dropout Voltage vs. Output Current
S-1172B10
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
Ta = 85°C
25°C
-40°C
200 400 600 800 1000 1200
IOUT [mA]
S-1172B50
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
0
Ta = 85°C
25°C
-40°C
200 400 600 800 1000 1200
IOUT [mA]
(4) Dropout Voltage vs. Set Output Voltage
0.7
0.6
IOUT = 1000 mA
0.5
500 mA
0.4
300 mA
0.3
10 mA
0.2
0.1
0
0123456
VOTA [V]
S-1172B30
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
0
Ta = 85°C
25°C
-40°C
200 400 600 800 1000 1200
IOUT [mA]
Seiko Instruments Inc.
19