S1212B Datasheet, PDF (23/58 Pages) Seiko Instruments Inc – HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR

HIGH-WITHSTAND VOLTAGE LOW CURRENT CONSUMPTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0_00
S-1212B/D Series
 Reference Data
1. Characteristics of input transient response (Ta = +25°C)
1. 1 V_OUT = 2.5 V
I_OUT = 40 mA, C_IN = 1.0 μF, V_IN = 11.5 V ↔ 13.5 V, t_r = t_f = 5.0 μs
3.3
15
1. 2 V_OUT = 5.0 V
I_OUT = 40 mA, C_IN = 1.0 μF, V_IN = 11.5 V ↔ 13.5 V, t_r = t_f = 5.0 μs
5.8
15
3.1
13
5.6
13
2.9 _VIN
11
CL = 10.0 F
2.7
CL = 22.0 F
9
2.5
7
VOUT
2.3
5
0.4 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8
t [ms]
5.4 _VIN
11
CL = 10.0 F
5.2
CL = 22.0 F
9
5.0
7
VOUT
4.8
5
0.4 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8
t [ms]
1. 3 V_OUT = 16.0 V
I_OUT = 40 mA, C_IN = 1.0 μF, V_IN = 18.0 V ↔ 19.5 V, t_r = t_f = 5.0 μs
16.8
21
16.6
19
16.4 ^VIN
17
CL = 10.0 F
16.2
CL = 22.0 F
15
16.0
13
VOUT
15.8
11
0.4 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8
t [ms]
2. Characteristics of load transient response (Ta = +25°C)
2. 1 V_OUT = 2.5 V
V_IN = 13.5 V, C_IN = 1.0 μF, I_OUT = 50 mA ↔ 100 mA
2.9
150
2.8
100
IOUT
2.7
50
2.6
0
2.5 ^VOUT
50
2.4
CL = 22.0 F
CL = 10.0 F
2.3
100
150
0.4 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8
t [ms]
2. 2 V_OUT = 5.0 V
V_IN = 13.5 V, C_IN = 1.0 μF, I_OUT = 50 mA ↔ 100 mA
5.4
150
5.3
100
IOUT
5.2
50
5.1
0
5.0 ^VOUT
50
4.9
CL = 22.0 F
CL = 10.0 F
4.8
100
150
0.4 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8
t [ms]
2. 3 V_OUT = 16.0 V
V_IN = 18.0 V, C_IN = 1.0 μF, I_OUT = 50 mA ↔ 100 mA
16.4
150
16.3
100
IOUT
16.2
50
16.1
0
16.0 ^VOUT
50
15.9
15.8
CL = 22.0 F
CL = 10.0 F
100
150
0.4 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8
t [ms]
23