Epson S1F76640, Technical Manual

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07. CHARACTERISTIC DATA
14
EPSON
S1F76640 Technical Manual (Rev.1.5)
0
10
20
30
40
50
60
70
80
90
100
0 10 20 30
I
O
[mA]
P
e
ff [%
]
0
30
60
90
120
150
I DD
[m
A
]
Ta=25 ° C
V
DD
=5V
C1 to C4=10 μ F
Quadruple
boosting
Peff
Triple
boosting Peff
Double
boosting Peff
Quadruple
boosting
Triple
boosting I
DD
Double
boosting I
DD
0
10
20
30
40
50
60
70
80
90
100
0 5 10 15 20
I
O
[mA]
P
e
ff [%
]
0
10
20
30
40
50
60
70
80
90
100
I DD
[m
A
]
Ta=25 ° C
V
DD
=3V
C1 to C4=10 μ F
Quadruple
boosting
Peff
Triple
boosting Peff
Double
boosting Peff
Quadruple
boosting
Triple
boosting I
DD
Double
boosting I
DD
Fig.7.9 Boosting power conversion efficiency
- Output current !
Input current - Output current !
Fig.7.10 Boosting power conversion efficiency
- Output current "
Input current - Output current "
0
10
20
30
40
50
60
70
80
90
100
1 10 100 1000
f
OSC
[kHz]
P
e
ff [%
]
Ta=25 ° C
V
DD
=5V
C1 to C4=10 μ F
I
O
=10mA
I
O
=2mA
I
O
=5mA
I
O
=20mA
0
10
20
30
40
50
60
70
80
90
100
0 1 2 3 4 5 6 7 8 9 10
I
O
[mA]
P
e
ff [%
0
10
20
30
40
50
I DD
[m
A
]
Fig.7.11 Boosting power conversion efficiency
- Output current #
Input current - Output current #
Fig.7.12 Boosting power conversion efficiency
- Oscillation frequency !
]
Ta=25 ° C
V
DD
=2V
C1 to C4=10
Quadruple
boosting
Peff
Triple
boosting Peff
Double
boosting Peff
Quadruple
boosting I
DD
Triple
boosting I
DD
Double
boosting I
DD
F μ