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W-6137 データシート(PDF) 5 Page - Copal Electronics

部品番号 W-6137
部品情報  CMOS Boost Converter
Download  16 Pages
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メーカー  COPAL [Copal Electronics]
ホームページ  http://www.nidec-copal-electronics.com/e
Logo COPAL - Copal Electronics

W-6137 データシート(HTML) 5 Page - Copal Electronics

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W-6137
5
TYPICAL CHARACTERISTICS
(VIN = 3.6 V, CIN = 1.0 F, COUT = 0.22 F, L = 22 H with 3 LEDs at 20 mA, TAMB = 25 C, unless otherwise specified.)
Figure 8. LED Current vs. Input Voltage
(3 LEDs)
Figure 9. LED Current Regulation
)
V
(
E
G
A
T
L
O
V
T
U
P
N
I
)
V
(
E
G
A
T
L
O
V
T
U
P
N
I
5.0
4.5
4.0
3.5
3.0
2.5
0
5
10
15
20
25
30
35
5.5
4.5
4.0
3.5
3.0
2.5
2.0
0.4
0.2
0
0.2
0.4
Figure 10. Efficiency across Supply Voltage
(3 LEDs)
Figure 11. Efficiency across Load Current
(3 LEDs)
)
A
m
(
T
N
E
R
R
U
C
D
E
L
)
V
(
E
G
A
T
L
O
V
T
U
P
N
I
5.0
4.5
4.0
3.0
2.5
2.0
60
70
80
90
100
30
20
10
5
0
60
70
80
90
100
Figure 12. Efficiency across Supply Voltage
(4 LEDs)
Figure 13. Efficiency across Load Current
(4 LEDs)
)
A
m
(
T
N
E
R
R
U
C
D
E
L
)
V
(
E
G
A
T
L
O
V
T
U
P
N
I
5.0
4.0
3.5
3.0
2.5
2.0
60
70
80
90
100
30
25
20
15
10
5
60
70
80
90
100
RFB = 10
RFB = 15
RFB = 20
VIN = 4.2 V
VIN = 3.6 V
5.0
2.0
3.5
15 mA
20 mA
VIN = 4.2 V
VIN = 3.6 V
15
25
15 mA
20 mA
4.5
0


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