Epson – Epson Power Supply S1F70000 User Manual
Page 96
S1F76640 Series
S1F70000 Series
EPSON
2–53
Technical Manual
S1F76640
Series
100
90
80
70
60
50
40
30
20
10
0
P
eff[%]
150
120
90
60
30
0
I
DD
[mA]
I
DD
[mA]
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
P
eff[%]
I
O
[mA]
0
10
20
30
I
O
[mA]
0
5
10
15
20
Ta=25˚C
V
DD
=5V
C
1 to
C
4
=10
µ
F
Ta=25˚C
V
DD
=3V
C
1 to
C
4
=10
µ
F
2 times step-up Peff
4 times step-up Peff
3 times step-up Peff
2 times
step-up I
DD
3 times step-up I
DD
4 times step-up I
DD
2 times step-up Peff
4 times step-up Peff
3 times step-up Peff
2 times
step-up I
DD
3 times
step-up I
DD
4 times step-up I
DD
100
90
80
70
60
50
40
30
20
10
0
P
eff[%]
100
90
80
70
60
50
40
30
20
10
0
P
eff[%]
50
40
30
20
10
0
I
DD
[mA]
I
O
[mA]
f
OSC
[kHz]
0
1
2
3
4
5
6
7
8
10
9
10
1000
100
1
Ta=25˚C
V
DD
=2V
C
1 to
C
4
=10
µ
F
Ta=25˚C
V
DD
=5V
C
1 to
C
4
=10
µ
F
I
O
=2mA
I
O
=5mA
I
O
=10mA
I
O
=20mA
2 times step-up Peff
4 times step-up Peff
3 times step-up Peff
3 times
step-up I
DD
2 times step-up I
DD
4 times step-up I
DD
(9) Step-up power conversion efficiency vs.
Output current 1
Input current vs. Output current 1
(10) Step-up power conversion efficiency vs.
Output current 2
Input current vs. Output current 2
(11) Step-up power conversion efficiency vs. Output current 3
Input current vs. Output current 3
(12) Step-up power conversion efficiency - Os vs.illation
frequency 1