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Epson S1F76610 series Technical Manual page 9

Cmos dc/dc converter (voltage doubler / tripler) & voltage regulator
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S1F76610 Series
100
90
80
Ta = 25°C
70
V
= –2.0V
I
60
50
×3 multiplier
40
I
I
30
20
10
0
0
1
2
3
(9) Multiplication efficiency/input current
vs. Output current
500
Ta = 25°C
I
= 10mA
O
400
300
200
×3 multiplier
×2 multiplier
100
0
–7
–6
–5
(11) Output impedance vs. Input voltage
2–8
×2 multiplier
Peff
×3 multiplier
Peff
×2 multiplier
I
I
4
5
6
7
8
9
10
I
[mA]
O
–4
–3
–2
–1
V
[V]
I
500
40
36
400
32
28
300
24
20
200
16
12
100
8
4
0
0
–7
(10) Output impedance vs. Input voltage
100
90
80
70
60
50
0
1
(12) Multiplication efficiency vs. Clock frequency
EPSON
Ta = 25°C
I
= 6mA
O
×3 multiplier
×2 multiplier
–6
–5
–4
–3
V
[V]
I
I
= 2mA
O
I
= 5mA
O
I
= 10mA
O
I
= 20mA
O
I
= 30mA
O
10
100
f
[kHz]
OSC
–2
–1
0
Ta = 25°C
V
= –5.0V
I
1000
S1F70000 Series
Technical Manual

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