S-19244A12H-E8T1U Datasheet, PDF (40/68 Pages) Seiko Instruments Inc – CMOS VOLTAGE REGULATOR WITH SOFT-START FUNCTION

FOR AUTOMOTIVE 105°C OPERATION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR WITH SOFT-START FUNCTION
S-19244xxxH Series
Rev.3.0_00
2. Characteristics of load transient response (Ta = +25°C)
2. 1 V_OUT = 1.0 V
V_IN = 2.5 V, C_L = 2.2 μF, I_OUT = 50 mA ↔ 100 mA
1.20
150
1.15
100
1.10 ^IOUT
50
1.05
0
VOUT
1.00
−50
0.95
−100
0.90
−200 0
−150
200 400 600 800 1000 1200
t [s]
V_IN = 2.5 V, C_L = 2.2 μF, I_OUT = 100 mA ↔ 500 mA
1.40
600
1.30
400
1.20 _IOUT
200
1.10
1.00 ^VOUT
0
−200
0.90
−400
0.80
−200 0
−600
200 400 600 800 1000 1200
t [s]
2. 2 V_OUT = 3.0 V
V_IN = 4.0 V, C_L = 2.2 μF, I_OUT = 50 mA ↔ 100 mA
3.20
150
3.15
100
3.10 ^IOUT
50
3.05 _VOUT
0
3.00
−50
2.95
−100
2.90
−200 0
−150
200 400 600 800 1000 1200
t [s]
V_IN = 4.0 V, C_L = 2.2 μF, I_OUT = 100 mA ↔ 500 mA
3.40
600
3.30
400
3.20
3.10
3.00
IOUT
VOUT
200
0
−200
2.90
−400
2.80
−200 0
−600
200 400 600 800 1000 1200
t [s]
2. 3 V_OUT = 6.0 V
V_IN = 7.0 V, C_L = 2.2 μF, I_OUT = 50 mA ↔ 100 mA
6.20
150
6.15
100
6.10 ^IOUT
50
6.05 _VOUT
0
6.00
−50
5.95
−100
5.90
−200 0
−150
200 400 600 800 1000 1200
t [s]
V_IN = 7.0 V, C_L = 2.2 μF, I_OUT = 100 mA ↔ 500 mA
6.70
600
6.50
400
6.30 _IOUT
200
6.10 VOUT
0
5.90
−200
5.70
−400
5.50
−200 0
−600
200 400 600 800 1000 1200
t [s]
40