S1212B Datasheet, PDF (24/58 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
S-1212B/D Series
Rev.3.0_00
3. Transient response characteristics of ON / OFF pin (Ta = +25°C)
3. 1 V_OUT = 2.5 V
V_IN = 13.5 V, C_L = 10.0 μF, C_IN = 1.0 μF,
I_OUT = 125 mA, V_{ON / OFF} = 0 V → 13.5 V
15.0
18
12.0
12
9.0
6
6.0
VON / OFF
0
3.0
6
0.0 _VOUT
12
3.0
18
0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
t [ms]
3. 2 V_OUT = 5.0 V
V_IN = 13.5 V, C_L = 10.0 μF, C_IN = 1.0 μF,
I_OUT = 125 mA, V_{ON / OFF} = 0 V → 13.5 V
15.0
18
12.0
12
9.0
6
6.0
VON / OFF
0
3.0
6
0.0 _VOUT
12
3.0
18
0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
t [ms]
4. Load transient response characteristics dependent on capacitance (Ta = +25°C)
4. 1 V_OUT = 5.0 V
V_IN = 13.5 V, C_IN = 1.0 μF, I_OUT = 50 mA → 100 mA
0.20
V_IN = 13.5 V, C_IN = 1.0 μF, I_OUT = 100 mA → 50 mA
0.20
0.15
0.15
0.10
0.10
0.05
0.05
0.00
0
20 40 60 80 100
CL [F]
0.00
0
20 40 60 80 100
CL [F]
5. Input transient response characteristics dependent on capacitance (Ta = +25°C)
5. 1 V_OUT = 5.0 V
V_IN = 7.0 V → 12.0 V, t_r = 5.0 μs,
C_IN = 1.0 μF, I_OUT = 40 mA
2.0
V_IN = 12.0 V → 7.0 V, t_r = 5.0 μs,
C_IN = 1.0 μF, I_OUT = 40 mA
2.0
1.5
1.5
1.0
1.0
0.5
0.5
0.0
0
20 40 60 80 100
CL [μF]
0.0
0
20 40 60 80 100
CL [μF]
24