S-13R1 Datasheet, PDF (30/49 Pages) Seiko Instruments Inc – REVERSE CURRENT PROTECTION CMOS VOLTAGE REGULATOR

REVERSE CURRENT PROTECTION CMOS VOLTAGE REGULATOR
S-13R1 Series
Rev.1.2_01
2. 3 VOUT(S) = 4.0 V
VIN = 5.0 V, CIN = CL = 1.0 μF, IOUT = 50 mA ↔ 100 mA
VIN = 5.0 V, CIN = CL = 1.0 μF, IOUT = 1 mA ↔ 150 mA
4.20
200
4.15
100
4.10
4.05
4.00
3.95
IOUT
VOUT
0
−100
−200
−300
3.90
−400
3.85
−500
3.80
−600
−400 −200 0 200 400 600 800
t [μs]
4.60
200
4.40
4.20
IOUT
100
0
4.00
3.80
VOUT
−100
−200
3.60
−300
3.40
−400
3.20
−500
3.00
−600
−800 −400 0 400 800 1200 1600
t [μs]
3. Transient response characteristics of ON / OFF pin when rising (Ta = +25°C)
3. 1 VOUT(S) = 1.2 V
VIN = 2.2 V, CIN = CL = 1.0 μF, IOUT = 100 mA,
VON / OFF = 0 V → 2.2 V, tr = 1.0 μs
5
6
4
4
VON / OFF
3
2
3. 2 VOUT(S) = 3.0 V
VIN = 4.0 V, CIN = CL = 1.0 μF, IOUT = 100 mA,
VON / OFF = 0 V → 4.0 V, tr = 1.0 μs
5
6
4
VON / OFF
4
3
VOUT
2
2
0
2
0
VOUT
1
−2
1
−2
0
−4
0 100 200 300 400 500 600
t [μs]
3. 3 VOUT(S) = 4.0 V
VIN = 5.0 V, CIN = CL = 1.0 μF, IOUT = 100 mA,
VON / OFF = 0 V → 5.0 V, tr = 1.0 μs
5
6
0
0
−4
200 400 600 800 1000 1200 1400
t [μs]
4
4
VON / OFF
3
VOUT
2
2
0
1
−2
0
0
−4
200 400 600 800 1000 1200 1400
t [μs]
30