SCI7661 Series
SCI7000 Series
EPSON
2–7
Technical Manual
DC/DC Converter
& Voltage Regulator
0
–5
–10
–15
0
10
20
30
I
O
[mA]
V
o
[V]
×
2 multiplier
×
3 multiplier
Ta = 25
°
C
V
I
= –3.0V
I
O
[mA]
V
O
[V]
0
0
1
2
3
4
5
6
7
8
9 10
–1
–2
–3
–4
–5
–6
Ta = 25
°
C
V
I
= –2.0V
×
2 multiplier
×
3 multiplier
Output voltage vs. Output current
Output voltage vs. Output current
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
0
10
20
30
40
50
I
O
[mA]
I
I
[mA]
P
eff [%]
×
3 multiplier
I
I
Ta = 25
°
C
V
I
= –5.0V
×
2 multiplier
Peff
×
3 multiplier
Peff
×
2 multiplier
I
I
0
5
10
15
20
25
30
I
O
[mA]
60
54
48
42
36
30
24
18
12
6
0
I
I
[mA]
100
90
80
70
60
50
40
30
20
10
0
P
eff [%]
Ta = 25
°
C
V
I
= –3.0V
×
3 multiplier
I
I
×
3 multiplier
Peff
×
2 multiplier
Peff
×
2 multiplier
I
I
Multiplication efficiency/input current vs.
Multiplication efficiency/input current vs.
Output current
Output current