Epson Power Supply IC S1F70000 Technical Manual page 49

S1F76610 Series
Typical Performance Characteristics
1000
V = –5V
I
V = –3V
I
100
V = –2V
I
10
1
10 100
(1) Clock frequency vs. External resistance
150
f = 40kHz
OSC
100
f =
OSC
20kHz
50
f = 10kHz
OSC
0
–7 –6 –5
(3) Multiplier current vs. Input voltage
2–6
Ta = 25 C
1000 10000
R [k ]
OSC
Ta = 25 C
–4 –3 –2 –1
V [V]
I
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
–40 –20
(2) Clock frequency vs. Ambient temperature
0
–5
–10
–15
0
0
(4) Output voltage vs. Output current
EPSON
0 20 40 60
Ta [ C]
Ta = 25 C
V = –5.0V
I
2 multiplier
3 multiplier
10 20
I [mA]
O
V = –5.0V
I
V = –3.0V
I
V = –2.0V
I
80 100
30 40
S1F70000 Series
Technical Manual