3724EFE データシートの表示（PDF） - Linear Technology
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3724EFE Datasheet PDF : 26 Pages
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TYPICAL APPLICATIONS
High Voltage LED Driver with Dimmer Control
VIN
8V TO 60V
CIN
22µF
LED
L1
300µH
C1
(OPTIONAL)
OPTIONAL
DIMMER
CONTROL
1kHz
C1 = OPTIONAL TO REDUCE LED RIPPLE CURRENT
CIN = TDK, C4532X7R2A225K
D1 = DIODESINC., B170
M1 = ZETEX, ZXMN10A07F
RSENSE = VISHAY, WSL2010R0150FEA
L1 = COILTRONICS, CTX300-4
R1
4.7M
M2
2N7002
C1
100pF
1 VIN
16
BOOST
15
TG
3
LT3724
14
SHDN
SW
4 CSS
5
12
BURST_EN VCC
6
VFB
11
PGND
7
VC
SENSE+ 10
8 SGND
SENSE– 9
D1
B170
CVCC
1µF
16V
3724 TA03
LT3724
M1
ZXMN10A07F
ADJUST ILED:
ILED = 0.15V
RSENSE
RSENSE
0.5Ω
3724fd
21
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