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GM19371 데이터 시트보기 (PDF) - Gamma Microelectronics Inc.
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GM19371
BOOST WHITE LED DRIVER WITH OVP
Gamma Microelectronics Inc.
GM19371 Datasheet PDF : 10 Pages
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GM19371
BOOST WHITE LED DRIVER
WITH OVP
Typica; Application Circuits
V
IN
5V to 12V
OFF ON
L
D1
14 Strings in Parallel
6 - 9 LED in Series
C
IN
4.7µF
6
V
IN
1
SW
OVP 5
GM19371
4 CTRL
FB 3
GND
2
R
SET
20mA x 14
C
OUT
4.7µF
Figure 3 GM19371, typical application
V
IN
12V to 15V
Dimming
Control
L1
D1
68µH
C
IN
6
1
SS14
4.7µF
V
IN
SW
OVP 5
C
OUT
4.7µF
GM19371
4 CTRL
FB 3
GND
2
R
SET
0.22 350mA
Figure 4. GM19371 – application for 1W LED x 6
V
IN
12V AC
L1
D1
5 LED (1W) in Series
C
IN
6
1
V
IN
SW
OVP 5
GM19371
4 CTRL
FB 3
GND
2
R
SET
C
OUT
Figure 5. GM19371 – application for 1MR16 with 1W LED in series
5
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