HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.2.2_01
S-1135 Series
Reference Data
1. Transient Response Characteristics when Input (Ta = 25°C)
VOUT = 1.0 V
OUT = 100 mA, tr = tf = 5.0 μs, CL = 1.0 μF
VOUT = 2.5 V
IOUT = 100 mA, tr = tf = 5.0 μs, CL = 1.0 μF
I
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
1.30
1.25
1.20
1.15
1.10
1.05
1.00
0.95
0.90
2.80
2.75
2.70
2.65
2.60
2.55
2.50
2.45
2.40
V
IN
V
IN
V
OUT
V
OUT
−100 −50
0
50 100 150 200 250 300 350
−100 −50
0
50 100 150 200 250 300 350
t [μs]
t [μs]
VOUT = 3.5 V
IOUT = 100 mA, tr = tf = 5.0 μs, CL = 1.0 μF
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
3.80
3.75
3.70
3.65
3.60
3.55
3.50
3.45
3.40
V
IN
V
OUT
−100 −50
0
50 100 150 200 250 300 350
t [μs]
2. Transient Response Characteristics of Load (Ta = 25°C)
VOUT = 1.0 V
VOUT = 2.5 V
VIN = 2.0 V, CL = 1.0 μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA
VIN = 3.5 V, CL = 1.0 μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA
150
100
50
150
100
50
1.20
1.15
1.10
2.70
2.65
2.60
I
OUT
I
OUT
1.05
1.00
0
2.55
2.50
0
V
OUT
V
OUT
−50
−100
−150
−50
−100
−150
0.95
0.90
2.45
2.40
−100 −50
0
50 100 150 200 250 300 350
−100 −50
0
50 100 150 200 250 300 350
t [μs]
t [μs]
VOUT = 3.5 V
VIN = 4.5 V, CL = 1.0 μF, CIN = 1.0 μF, IOUT = 50 mA ↔ 100 mA
150
100
50
3.70
3.65
3.60
I
OUT
3.55
3.50
0
V
OUT
−50
−100
−150
3.45
3.40
−100 −50
0
50 100 150 200 250 300 350
t [μs]
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