LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.2.3_01
S-1312 Series
3. Transient response characteristics of ON / OFF pin (Ta = +25°C)
3. 1 VOUT = 1.0 V
3. 2 VOUT = 2.5 V
V
IN = 2.0 V, CIN = CL = 0.22 μF, IOUT = 100 mA,
V
IN = 3.5 V, CIN = CL = 0.22 μF, IOUT = 100 mA,
VON / OFF = 0 V → 2.0 V, tr = 1.0 μs
VON / OFF = 0 V → 3.5 V, tr = 1.0 μs
2.4
3
6
5
4
3
2
1
0
6
V
ON / OFF
OUT
2.0
1.6
1.2
0.8
0.4
0
2
4
VON / OFF
1
2
0
0
V
VOUT
−1
−2
−3
−2
−4
−6
−50
0
50
100
t [μs]
150
200
−50
0
50
100
t [μs]
150
200
3. 3 VOUT = 3.5 V
VIN = 4.5 V, CIN = CL = 0.22 μF, IOUT = 100 mA,
VON / OFF = 0 V → 4.5 V, tr = 1.0 μs
6
5
4
3
2
1
0
6
4
VON / OFF
VOUT
2
0
−2
−4
−6
−50
0
50
100
t [μs]
150
200
28
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