S1155 Datasheet, PDF (22/28 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1155 Series
Rev.2.1_01
3. Transient Response Characteristics of ON/OFF Pin (Ta = 25°C)
S-1155B10
V_IN = 2.0 V, C_OUT = 4.7 μF, C_IN = 4.7 μF, I_OUT = 100 mA
V_{ON / OFF} = 0 V → 2.0 V, t_r = 1.0 μs
5
3
4
2
3 VON/OFF
1
2
0
1
1
VOUT
0
2
1
500
3
0 500 1000 1500 2000
t [μs]
S-1155B30
V_IN = 4.0 V, C_OUT = 4.7 μF, C_IN = 4.7 μF, I_OUT = 100 mA
V_{ON / OFF} = 0 V → 4.0 V, t_r = 1.0 μs
10
6
8
4
6 VON/OFF
2
4
0
2
2
VOUT
0
4
2
500
6
0 500 1000 1500 2000
t [μs]
S-1155B50
V_IN = 5.5 V, C_OUT = 4.7 μF, C_IN = 4.7 μF, I_OUT = 100 mA
V_{ON / OFF} = 0 V → 5.5 V, t_r = 1.0 μs
20
9
16
6
12 VON/OFF
3
8
0
4
3
VOUT
0
6
4
500
9
0 500 1000 1500 2000
t [μs]
4. Characteristics of Inrush Current (Ta = 25°C)
S-1155B10
V_IN = 2.0 V, C_OUT = 4.7 μF, C_IN = 4.7 μF, I_OUT = 100 mA
6
1.2
4
1.0
VON/OFF
2
0.8
0
VOUT
0.6
2
IOUT
0.4
4
0.2
6
50 0
0
50 100 150 200
t [μs]
S-1155B30
V_IN = 4.0 V, C_OUT = 4.7 μF, C_IN = 4.7 μF, I_OUT = 100 mA
6
1.2
VON/OFF
4
1.0
2
0.8
0
VOUT
0.6
2
0.4
4
IOUT
0.2
6
0
50
0
50 100 150 200
t [μs]
V_IN = 2.0 V, C_OUT = 4.7 μF, C_IN = 4.7 μF, I_OUT = 500 mA
6
1.2
4
1.0
VON/OFF
2
0.8
0
VOUT
0.6
2
0.4
IOUT
4
0.2
6
0
100 0 100 200 300 400 500
t [μs]
V_IN = 4.0 V, C_OUT = 4.7 μF, C_IN = 4.7 μF, I_OUT = 500 mA
6
1.2
VON/OFF
4
1.0
2
0.8
0
VOUT
0.6
2
0.4
4
IOUT
0.2
6
0
100 0 100 200 300 400 500
t [μs]
22
Seiko Instruments Inc.