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Epson S1F76610 series Technical Manual page 8

Cmos dc/dc converter (voltage doubler / tripler) & voltage regulator
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0
Ta = 25°C
V
= –3.0V
I
×2 multiplier
–5
×3 multiplier
–10
–15
0
10
(5) Output voltage vs. Output current
100
90
80
70
Ta = 25°C
V
= –5.0V
I
60
50
×3 multiplier
I
I
40
30
×2 multiplier
20
I
I
10
0
0
10
20
I
[mA]
O
(7) Multiplication efficiency/input current
vs. Output current
S1F70000 Series
Technical Manual
20
30
I
[mA]
O
100
90
80
70
×2 multiplier
60
Peff
50
×3 multiplier
Peff
40
30
20
10
0
30
40
50
EPSON
0
Ta = 25°C
–1
V
= –2.0V
I
–2
–3
×2 multiplier
–4
×3 multiplier
–5
–6
0
1
2
3
4
5
I
[mA]
O
(6) Output voltage vs. Output current
100
90
80
Ta = 25°C
70
V
= –3.0V
I
60
50
×3 multiplier
×3 multiplier
I
40
I
Peff
30
20
×2 multiplier
I
I
10
0
0
5
10
15
I
[mA]
O
(8) Multiplication efficiency/input current
vs. Output current
S1F76610 Series
6
7
8
9 10
60
54
48
×2 multiplier
42
Peff
36
30
24
18
12
6
0
20
25
30
2–7

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