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S1F76620 Series
S1F70000 Series EPSON 1–19
Technical Manual
S1F76620
Series
(9) Step-up power conversion efficiency vs.
Output current 1
Input current vs. Output current 1
(11) Step-up power conversion efficiency vs.
Output current 3
Input current vs. Output current 3
. (12) Step-up power conversion efficiency vs.
Oscillation frequency 1
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
0 5 10 15 20
I
O [mA]
Peff[%]
I
DD[mA]
Ta=25°C
V
DD=3V
C1=C2=10µF
100
90
80
70
60
50
40
30
20
10
0
150
120
90
60
30
0
0 102030
I
O [mA]
Peff[%]
I
DD[mA]
Ta=25°C
V
DD=5V
C1=C2=10µF
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
50
40
30
20
10
0
1 10 100 1000
012345678910
I
O
=5mA
I
O
=2mA
I
O
=20mA
I
O
=10mA
focs[kHz]I
O
[mA]
Peff[%]
Peff[%]
I
DD
[mA]
Ta=25°C
V
DD
=5V
C
1
=C
2
=10µF
Ta=25°C
V
DD
=5V
C1=C2=10µF
(10) Step-up power conversion efficiency vs.
Output current 2
Input current vs. Output current 2