SCI7661COA/MOA
■ PERFORMANCE CURVES
150
100
50
1000
26
Ta=25°C
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
fOSC=40kHz
V
IN=-5V
VIN=-5V
VIN=-3V
VIN=-3V
VIN=-1.5V
100
fOSC=20kHz
30
20
VIN=-1.5V
10
OSC=10kHz
f
8
–30
1
10K
0
50
100
150
0
1
2
3
4
5
6
7
100K
680K1M
ROSC(Ω)
10M
VIN(V)
Ta(°C)
Fig.1 Oscillation Frequency(fOSC)vs.
Fig.2 Oscillation Frequency(fOSC)vs.
Temperature(Ta)
Fig.3 Input Voltage(VIN)vs. Booster
Current Consumption(Iopr1
External-Resistance(ROSC
)
)
400
0
Ta=25°C
VIN=-5V
300
200
0
Ta=25°C
VIN=-5V
-5
-1
-2
Triple
Double
-3
-4
-5
-6
Double
Triple
-10
-15
Triple
6
Double
100
0
0
1
2
3
4
5
7
8
9
10
I
OUT(mA)
Ta=25°C
0
1
2
3
4
5
6
7
0
10
20
30
40
50
V
IN(V)
IOUT(mA)
Fig.4 Output Voltage(VOUT)vs.
Output Current(IOUT
Fig.5 Output Voltage(VOUT)vs.
Fig.6 Output Inpedance(ROUT)vs.
)
Output Current(IOUT
)
Input Voltage(VIN
)
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
40
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
IOUT
=
2mA
Double Peff
36
32
28
24
20
16
12
8
IOUT=
5mA
IOUT=10mA
Triple Peff
Double
Peff
Ta=25°C
=-5.0V
V
Ta=25°C
IN
IOUT=30mA
IOUT=20mA
V
=-2.0V
IN
Triple
IIN
Triple Peff
Triple I
IN
VIN=-5.0V
Double I
IN
Double IIN
4
0
103
104
105
106
0
1
2
3
4
5
6
7
8
9
10
0
10
20
30
40
50
IOUT(mA)
IOUT(mA)
fOSC(Hz)
Fig.7 Power Conversion Efficiency
(Peff)/Input Current(IIN)vs.
Fig.8 Power Conversion Efficiency
(Peff)/Input Current(IIN)vs.
Fig.9 Power Conversion Efficiency
(Peff)vs. Oscillation Frequency
Output Current(IOUT
)
Output Current(IOUT
)
(fOSC)
100
90
80
70
60
50
40
30
20
10
0
IOUT
=
-8.000
-7.950
-7.900
-7.850
-3.000
-2.950
-2.900
-2.850
0.5mA
IOUT
1mA
IOUT
2mA
=
=
V
=-15V
V
=-6V
OUT
Ta=25°C
OUT
Ta=25°C
I
=4mA
OUT
VIN=-1.5V
103
104
105
106
10-4
10-3
10-2
10-1
10-4
10-3
10-2
10-1
fOSC(Hz)
IOUT(A)
IOUT(A)
Fig.10 Power Conversion Efficiency(Peff
vs.Oscillation Frequency(fOSC
)
Fig.11 Output Voltage(Vreg)vs. Output
Current(IOUT
Fig.12 Output Voltage(Vreg)vs. Output
Current(IOUT
)
)
)
4
EPSON [ EPSON COMPANY ]
