Epson – Epson Power Supply S1F70000 User Manual
Page 34
S1F76620 Series
S1F70000 Series
EPSON
1–17
Technical Manual
S1F76620
Series
Characteristics Graph
(1) Oscillation frequency vs.
External resistance for oscillation
(2) Oscillation frequency vs. Temperature
(3) Step-up circuit current consumption vs.
Input current
(4) Output voltage (V
O
) vs. Output current 1
–40 –20
0
20
40
60
80
100
30
28
26
24
22
20
18
16
14
12
10
f
OSC
[kHz]
Ta[
°
C]
V
DD
=5V
V
DD
=2V
V
DD
=3V
10
100
1000
10000
Ta=25
°
C
V
DD
=5V
V
DD
=3V
V
DD
=2V
R
OSC
[k
Ω
]
f
OSC
[kHz]
1000
100
10
1
0
5
10
15
20
25
30
10
9
8
7
6
5
4
3
2
1
0
V
O
[V]
I
O
[mA]
Ta=25
°
C
V
DD
=5V
C
1
=C
2
=10
µ
F
0
1
2
3
4
5
6
100
80
60
40
20
0
I
OPR1
[
µ
A]
V
DD
[V]
Ta=25
°
C
C
1
=C
2
=10
µ
F
f
OSC
=40kHz
f
OSC
=20kHz
f
OSC
=10kHz