S11L10 Datasheet, PDF (24/35 Pages) Seiko Instruments Inc – SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT

SUPER-LOW OUTPUT VOLTAGE LOW DROPOUT CMOS VOLTAGE REGULATOR
S-11L10 Series
Rev.2.2_00
3. Transient Response Characteristics of ON / OFF Pin (Ta = +25°C)
3. 1 V_OUT = 0.8 V
V_IN = 1.8 V, C_L = 1.0 μF, C_IN = 1.0 μF, I_OUT = 100 mA
2.5
3
2.0
2
1.5
VON /OFF
1
1.0
0
0.5
VOUT
−1
0
−2
−0.5
−50 0
−3
50 100 150 200
t [μs]
3. 3 VOUT = 3.3 V
V_IN = 3.65 V, C_L = 1.0 μF, C_IN = 1.0 μF, I_OUT = 100 mA
10.0
9
8.0
6
6.0
3
VON /OFF
4.0
0
2.0
VOUT
−3
0
−6
−2.0
−50 0
−9
50 100 150 200
t [μs]
3. 2 VOUT = 1.5 V
V_IN = 2.5 V, C_L = 1.0 μF, C_IN = 1.0 μF, I_OUT = 100 mA
5.0
6
4.0
4
3.0
2
VON /OFF
2.0
0
1.0
VOUT
−2
0
−4
−1.0
−50 0
−6
50 100 150 200
t [μs]
4. Output Capacitance vs. Characteristics of Discharge Time (Ta = +25°C)
V_IN = V_OUT + 1.0 V (max.: 3.65 V), I_OUT = no load
V_{ON / OFF} = V_OUT + 1.0 V → V_SS, t_f = 1 μs
3.0
2.5 _{VOUT(S) = 3.3 V}
2.0
1.5 V
0.8 V
1.5
1.0
0.5
0
02468
CL [μF]
10 12
V_{ON / OFF}
V_OUT
1 μs
t_DSC
V_SS
V_OUT × 10%
V_IN = V_OUT + 1.0 V
V_{ON / OFF} = V_OUT + 1.0 V → V_SS
Figure 17
Figure 18 Measurement Condition of Discharge Time
24
Seiko Instruments Inc.