HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.2.2_01
S-1135 Series
7. Ripple Rejection (Ta = 25°C)
VOUT = 1.0 V
VOUT = 2.5 V
VIN = 2.0 V, CL = 1.0 μF
VIN = 3.5 V, CL = 1.0 μF
100
80
100
80
60
40
20
I
I
I
OUT = 1 mA
OUT = 30 mA
OUT = 50 mA
I
OUT = 1 mA
60
40
I
I
I
OUT = 30 mA
OUT = 50 mA
OUT = 100 mA
20
0
I
OUT = 100 mA
1k 10k
Frequency [Hz]
0
10
100
1k
10k
100k
1M
10
100
100k
1M
Frequency [Hz]
VOUT = 3.5 V
VIN = 4.5 V, CL = 1.0 μF
100
80
60
40
20
I
OUT = 1 mA
OUT = 30 mA
OUT = 50 mA
I
I
I
OUT = 100 mA
0
10
100
1k
10k
100k
1M
Frequency [Hz]
28