SCI7661 Series
SCI7000 Series
EPSON
2–9
Technical Manual
DC/DC Converter
& Voltage Regulator
1
10
100
1000
f
OSC
[kHz]
100
90
80
70
60
50
P
eff [%]
I
O
= 0.5mA
I
O
= 1.0mA
I
O
= 2.0mA
I
O
= 4.0mA
Ta = 25
°
C
V
I
= – 3.0V
V
O
= –15V
–7.850
–7.900
–7.950
–8.000
0.0001
0.0010
0.0100
0.1000
Ta = 25
°
C
V
REG
[V]
I
O
[V]
Multiplication efficiency vs. Clock frequency
Output voltage vs. Output current
–5.850
–5.900
–5.950
–6.000
0.0001
0.0010
0.0100
0.1000
V
REG
[V]
I
O
[V]
V
O
= –9V
Ta = 25
°
C
–2.850
–2.900
–2.950
–3.000
V
REG
[V]
0.0001
0.0010
0.0100
0.1000
I
O
[V]
V
O
= –6V
Ta = 25
°
C
Output voltage vs. Output current
Output voltage vs. Output current
