S1F76540MOC Epson Electronics America, Inc., S1F76540MOC Datasheet - Page 20

• Manufacturer Part Number: S1F76540MOC
• Description: Charge Pump Type Dc/dc Converter
• Manufacturer: Epson Electronics America, Inc.

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