Epson Power Supply IC S1F70000 Technical Manual page 36

100
90
80
70
60
50
40
30
20
Ta=25 C
V
10
C
0
0 10
I [mA]
O
(9) Step-up power conversion efficiency vs.
Output current 1
Input current vs. Output current 1
100
90
80
70
60
50
40
30
20
Ta=25 C
V
DD
10
C1=C2=10 F
0
0 1 2 3 4 5 6 7 8 9 10
I [mA]
O
(11) Step-up power conversion efficiency vs.
Output current 3
Input current vs. Output current 3
S1F70000 Series
Technical Manual
150 100
90
120 80
70
90 60
50
60 40
30
30 20
=5V
DD
10
=C =10 F
1 2
0 0
20 30
50 100
40 90
30 80
20 70
10 60
=5V
0 50
1
. (12) Step-up power conversion efficiency vs.
EPSON
Ta=25 C
V =3V
DD
C =C =10 F
1 2
0 5 10 15
I [mA]
O
(10) Step-up power conversion efficiency vs.
Output current 2
Input current vs. Output current 2
I =5mA
O
I =2mA
O
I
O
I =20mA
O
Ta=25 C
V =5V
DD
C =C
1
10 100
focs[kHz]
Oscillation frequency 1
S1F76620 Series
100
90
80
70
60
50
40
30
20
10
0
20
=10mA
=10 F
2
1000
1–19