S-1137 Datasheet, PDF (26/47 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT SOFT-START FUNCTION CMOS VOLTAGE REGULATOR

HIGH RIPPLE-REJECTION LOW DROPOUT SOFT-START FUNCTION CMOS VOLTAGE REGULATOR
S-1137 Series
Rev.2.1_01
(7) Ripple Rejection (Ta = 25°C)
VOUT = 1.2 V
100
80
VIN = 2.2 V, CL = 1.0 μF
IOUT = 1 mA
60
40
20
0
10
IOUT = 30 mA
IOUT = 50 mA
IOUT = 100 mA
100 1k 10k 100k 1M
Frequency [Hz]
VOUT = 3.5 V
100
80
60
VIN = 4.5 V, CL = 1.0 μF
IOUT = 1 mA
IOUT = 30 mA
40
20
0
10
IOUT = 50 mA
IOUT = 100 mA
100 1k 10k 100k 1M
Frequency [Hz]
VOUT = 2.5 V
100
80
60
40
20
0
10
VIN = 3.5 V, CL = 1.0 μF
IOUT = 1 mA
IOUT = 30 mA
IOUT = 50 mA
IOUT = 100 mA
100 1k 10k 100k 1M
Frequency [Hz]
26