SCI7661M Ver la hoja de datos (PDF) - Seiko Epson Corp
Número de pieza
componentes Descripción
Fabricante
SCI7661M Datasheet PDF : 9 Pages
| |||
SCI7661COA/MOA
s PERFORMANCE CURVES
1000
VIN=-5V
100 VIN=-3V
VIN=-1.5V
30
20
10
1
10K
100K
680K1M
10M
ROSC(Ω)
Fig.1 Oscillation Frequency(fOSC)vs.
External-Resistance(ROSC)
0
Ta=25°C
VIN=-5V
-5
-10
Double
Triple
-15
0
10
20
30
40
50
IOUT(mA)
Fig.4 Output Voltage(VOUT)vs.
Output Current(IOUT)
100
100
90
90
80
70 Ta=25°C
VIN=-5.0V
60
80
Double
Peff
70
60
50
50
40 Triple
Triple Peff
40
IIN
30
30
Double IIN
20
20
10
10
0
0
0 10 20 30 40 50
IOUT(mA)
Fig.7 Power Conversion Efficiency
(Peff)/Input Current(IIN)vs.
Output Current(IOUT)
100 IOUT=
90 0.5mA
IOUT=
80 1mA
IOUT=
70
2mA
60
50 IOUT=4mA
40
30
20
10
0
103
VIN=-1.5V
104
105
106
fOSC(Hz)
Fig.10 Power Conversion Efficiency(Peff)
vs.Oscillation Frequency(fOSC)
4
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
–30 0
VIN=-5V
VIN=-3V
VIN=-1.5V
50
100
150
Ta(°C)
Fig.2 Oscillation Frequency(fOSC)vs.
Temperature(Ta)
0
-1 Ta=25°C
VIN=-5V
-2
-3
Double
-4
-5
Triple
-6
0 1 2 3 4 5 6 7 8 9 10
IOUT(mA)
Fig.5 Output Voltage(VOUT)vs.
Output Current(IOUT)
100
40
90
Double Peff
36
80
Triple Peff
32
70
28
Ta=25°C
60 VIN=-2.0V
24
50
20
40
Triple IIN
30
20
16
12
Double IIN
8
10
4
0
0
0 1 2 3 4 5 6 7 8 9 10
IOUT(mA)
Fig.8 Power Conversion Efficiency
(Peff)/Input Current(IIN)vs.
Output Current(IOUT)
-8.000
-7.950
VOUT=-15V
Ta=25°C
150
Ta=25°C
fOSC=40kHz
100
fOSC=20kHz
50
fOSC=10kHz
0 1 23 4 5 67
VIN(V)
Fig.3 Input Voltage(VIN)vs. Booster
Current Consumption(Iopr1)
400
300
200
Triple
100
Double
Ta=25°C
0
01234567
VIN(V)
Fig.6 Output Inpedance(ROUT)vs.
Input Voltage(VIN)
100 IOUT=
90
2mA
IOUT=
5mA
80
IOUT=10mA
70
60 IOUT=20mA
50
IOUT=30mA
40
30
VIN=-5.0V
20
10
0
103
104
105
106
fOSC(Hz)
Fig.9 Power Conversion Efficiency
(Peff)vs. Oscillation Frequency
(fOSC)
-3.000
-2.950
VOUT=-6V
Ta=25°C
-7.900
-2.900
-7.850
10-4
10-3
IOUT(A)
10-2
10-1
Fig.11 Output Voltage(Vreg)vs. Output
Current(IOUT)
-2.850
10-4
10-3
IOUT(A)
10-2
10-1
Fig.12 Output Voltage(Vreg)vs. Output
Current(IOUT)
Share Link: 