8. CHARACTERISTICS GRAPHS
S1F76540M0C Series Technical Manual
EPSON
17
(Rev.1.1)
0
10
20
30
40
50
60
70
80
90
100
0 1 2 3 4 5
6 7 8 9 10
Io[mA]
0
10
20
30
40
50
Pe
ff [
%
]
I
IN
[mA
]
Quadruple boosting Peff
Ta=25
°
C
C
1
to C
3
, C
I
, C
O
=10
µ
F
V
I
=-2.4V
3rd boosting Peff
Double boosting Peff
Quadruple boosting I
IN
3rd boosting I
IN
Double boosting I
IN
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
0.1
1.0
10.0 100.0
Ta=25
°
C
C
1
to C
3
, C
I
, C
O
=10
µ
F
V
I
=-5V
R
L
[k
Ω
]
V
ST
A1
[V
]
(9) Boosting power conversion efficiency -
(10) Boosting start input power supply voltage -
Output current <3>
Load
resistance
Input current - Output current <3>
0.0
0.1
0.2
0.3
0 5 10 15 20 25 30
Io[mA]
V
RI
=-20V
V
RI
=-8V
V
RI
=-12V
|
V
RI
- V
RE
G
|
[V
]
Ta=25
°
C
C
1
to C
3
, C
I
, C
O
=10
µ
F
7.90
7.91
7.92
7.93
7.94
7.95
7.96
7.97
7.98
7.99
8.00
0.1
1.0
10.0 100.0
Ta=25
°
C
V
RI
=-20V
I
REG
[mA]
V
RE
G
[V
]
(11) Output voltage lowering - Load current
(12) Output voltage (V
REG
) - Output current <1>