S-13A1 Datasheet, PDF (43/74 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.2.1_00
S-13A1 Series
4. Characteristics of inrush current (Ta = +25°C)
4. 1 V_OUT = 1.0 V
V_IN = 2.0 V, C_IN = C_L = 2.2 μF, C_SS = 0 nF, I_OUT = 100 mA,
V_{ON / OFF} = 0 V → 2.0 V, t_r = 1.0 μs
8
6
4
2
0
−2
−4
−6
−8
−50 0
VON / OFF
VOUT
IOUT
50 100 150
t [μs]
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
−0.2
200
4. 2 V_OUT = 2.5 V
V_IN = 3.5 V, C_IN = C_L = 2.2 μF, C_SS = 0 nF, I_OUT = 100 mA,
V_{ON / OFF} = 0 V → 3.5 V, t_r = 1.0 μs
8
6
4
2
0
−2
−4
−6
−8
−50 0
VON / OFF
VOUT
IOUT
50 100 150
t [μs]
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
−0.2
200
4. 3 V_OUT = 3.5 V
V_IN = 4.5 V, C_IN = C_L = 2.2 μF, C_SS = 0 nF, I_OUT = 100 mA,
V_{ON / OFF} = 0 V → 4.5 V, t_r = 1.0 μs
8
6
4
2
0
−2
−4
−6
−8
−50 0
VON / OFF
VOUT
IOUT
50 100 150
t [μs]
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
−0.2
200
V_IN = 2.0 V, C_IN = C_L = 2.2 μF, C_SS = 0 nF, I_OUT = 1000 mA,
V_{ON / OFF} = 0 V → 2.0 V, t_r = 1.0 μs
8
6
4
2
0
−2
−4
−6
−8
−500
VON / OFF
VOUT
IOUT
0 500 1000
t [μs]
1500
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
−0.4
2000
V_IN = 3.5 V, C_IN = C_L = 2.2 μF, C_SS = 0 nF, I_OUT = 1000 mA,
V_{ON / OFF} = 0 V → 3.5 V, t_r = 1.0 μs
8
6
4
2
0
−2
−4
−6
−8
−500 0
VON / OFF
VOUT
IOUT
500 1000 1500
t [μs]
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
−0.4
2000
V_IN = 4.5 V, C_IN = C_L = 2.2 μF, C_SS = 0 nF, I_OUT = 1000 mA,
V_{ON / OFF} = 0 V → 4.5 V, t_r = 1.0 μs
8
6
4
2
0
−2
−4
−6
−8
−500 0
VON / OFF
VOUT
IOUT
500 1000 1500
t [μs]
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
−0.4
2000
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