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S1200 Datasheet, PDF (22/37 Pages) Seiko Instruments Inc – HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR | |||
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HIGH RIPPLE-REJECTION LOW DROPOUT LOW INPUT-AND-OUTPUT CAPACITANCE CMOS VOLTAGE REGULATOR
S-1200 Series
Rev.5.1_01
3. ON/OFF pin transient response characteristics
S-1200B15 (Ta = +25°C)
VIN = 2.5 V, COUT = 0.1 μF, CIN = 0.1 μF, IOUT = 30 mA
5
3
4
2
VON/OFF
3
1
2
0
1 VOUT
â1
0
â2
â1
â3
-0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
S-1200B30 (Ta = +25°C)
VIN = 4.0 V, COUT = 0.1 μF, CIN = 0.1 μF, IOUT = 30 mA
10
6
8
4
6
VON/OFF
2
4
0
2
â2
VOUT
0
â4
â2
â6
-0.4 -0.2 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
t [ms]
S-1200B50 (Ta = +25°C)
VIN = 6.0 V, COUT = 0.1 μF, CIN = 0.1 μF, IOUT = 30 mA
VON/OFF [V]
20
9
16
6
12
VON/OFF
3
8
0
4
VOUT
â3
0
â6
â4
-0.4 -0.2 0
â9
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
t [ms]
4. Input transient response characteristics ⯠Capacity Value characteristics
S-1200B15 (Ta = +25°C)
VIN = 2.5 V â 4.5 V, tr = 5 μs, IOUT = 50 mA
1.8
6
1.7 VIN
4
1.6
COUT = 0.1 μF
2
1.5
0
VOUT
1.4
COUT = 1.0 μF
â2
1.3
â4
1.2
â6
-40 -20 0 20 40 60 80 100 120 140 160
VIN = 4.5 V â 2.5 V, tr = 5 μs, IOUT = 50 mA
2.0
6
1.8 VIN
4
1.6
2
1.4 VOUT
0
1.2
COUT = 1.0 μF
â2
1.0
COUT = 0.1 μF
â4
0.8
â6
-40 -20 0 20 40 60 80 100 120 140 160
t [μs]
t [μs]
5. Load transient response characteristics ⯠Capacity Value characteristics
S-1200B15 (Ta = +25°C)
VIN = 2.5 V, IOUT = 1 mAâ50 mA
2.0
100
1.8
50
1.6 IOUT
COUT = 1.0 μF
0
1.4 VOUT
1.2
1.0
COUT = 0.1 μF
0.8
-40 -20 0 20 40 60 80 100 120 140 160
t [μs]
VIN = 2.5 V, IOUT = 50 mAâ1 mA
2.2
100
2.0 IOUT
50
1.8
0
1.6 VOUT
COUT = 1.0 μF
1.4
1.2
COUT = 0.1 μF
1.0
-40 -20 0 20 40 60 80 100 120 140 160
t [μs]
22
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